81594259 divided by 256 
We want to figure out the number of times 81594259 can be divided by 256.

Going ahead to step 1:
256 goes into 8 0 times with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Grab the next digit (1) from the dividend, add it to 8, then carry on: 81 / 256

Let's proceed to step 2:
81 divided by 256 is 0 with a remainder of 81.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 81 leaves us with 81.
Grab the next digit (5) from the dividend, add it to 81, then carry on: 815 / 256

Let's proceed to step 3:
When dividing 815 by 256, we get 3 with a remainder of 47.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
If we take 768 away from 815, we end up with 47.
Fetch the next digit (9) from the dividend, attach it to 47 and continue: 479 / 256

Moving on to step 4:
256 can be fit into 479 1 times, resulting in a remainder of 223.
The next digit of our result is 1. 
Result so far: 31.0
Subtract 256 from 479 to get 223.
Bring next digit (4) of the dividend behind the 223 and repeat the process: 2234 / 256

Going ahead to step 5:
256 can be fit into 2234 8 times, resulting in a remainder of 186.
The next digit of our result is 8. 
Result so far: 318.0
Subtracting 2048 from 2234 leaves us with 186.
Append the next digit (2) from the dividend to 186 and continue with: 1862 / 256

Let's proceed to step 6:
If we divide 1862 by 256, we get 7 and a remainder of 70.
The number 7 becomes the next digit in our result. 
Result so far: 3187.0
Subtracting 1792 from 1862 leaves us with 70.
Bring next digit (5) of the dividend behind the 70 and repeat the process: 705 / 256

Going ahead to step 7:
The number 256 fits into 705 2 times, leaving a remainder of 193.
Write down 2 as next digit of the result. 
Result so far: 31872.0
If we take 512 away from 705, we end up with 193.
Grab the next digit (9) from the dividend, add it to 193, then carry on: 1939 / 256

Advancing to step 8:
The number 256 fits into 1939 7 times, leaving a remainder of 147.
The number 7 becomes the next digit in our result. 
Result so far: 318727.0
Deduct 1792 from 1939 and we're left with 147.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1470, and continue the process.

Advancing to step 9:
The number 256 fits into 1470 5 times, leaving a remainder of 190.
Put 5 as the next digit of the answer. 
Result so far: 318727.5
Deduct 1280 from 1470 and we're left with 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Going ahead to step 10:
When dividing 1900 by 256, we get 7 with a remainder of 108.
The number 7 becomes the next digit in our result. 
Result so far: 318727.57
The remainder is 108 after subtracting 1792 from 1900.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1080, and continue the process.

Step 11:
When dividing 1080 by 256, we get 4 with a remainder of 56.
Write down 4 as next digit of the result. 
Result so far: 318727.574
Subtract 1024 from 1080 to get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Let's proceed to step 12:
If we divide 560 by 256, we get 2 and a remainder of 48.
Use 2 as the next digit of our solution. 
Result so far: 318727.5742
The remainder is 48 after subtracting 512 from 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Step 13:
If we divide 480 by 256, we get 1 and a remainder of 224.
The number 1 becomes the next digit in our result. 
Result so far: 318727.57421
Subtracting 256 from 480 leaves us with 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Advancing to step 14:
2240 divided by 256 is 8 with a remainder of 192.
The number 8 becomes the next digit in our result. 
Result so far: 318727.574218
The remainder is 192 after subtracting 2048 from 2240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1920, and continue the process.

Moving on to step 15:
If we divide 1920 by 256, we get 7 and a remainder of 128.
The number 7 becomes the next digit in our result. 
Result so far: 318727.5742187
Subtract 1792 from 1920 to get 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

Going ahead to step 16:
256 can be fit into 1280 5 times, resulting in a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 318727.57421875
The remainder is 0 after subtracting 1280 from 1280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 318727.57421875 with a remainder of 0.0.