We divide 813805 by 81
We're looking to find how many times 81 goes into 813805.

Going ahead to step 1:
The number 81 fits into 8 0 times, leaving a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Bring next digit (1) of the dividend behind the 8 and repeat the process: 81 / 81

Moving on to step 2:
81 can be fit into 81 1 times, resulting in a remainder of 0.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 81 from 81 and we're left with 0.
Fetch the next digit (3) from the dividend, attach it to 0 and continue: 3 / 81

Going ahead to step 3:
If we divide 3 by 81, we get 0 and a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 10.0
Subtract 0 from 3 to get 3.
Bring next digit (8) of the dividend behind the 3 and repeat the process: 38 / 81

Moving on to step 4:
38 divided by 81 is 0 with a remainder of 38.
Use 0 as the next digit of our solution. 
Result so far: 100.0
The remainder is 38 after subtracting 0 from 38.
Bring next digit (0) of the dividend behind the 38 and repeat the process: 380 / 81

Advancing to step 5:
81 goes into 380 4 times with a remainder of 56.
The next digit of our result is 4. 
Result so far: 1004.0
If we take 324 away from 380, we end up with 56.
Include the next digit (5) from the dividend after 56, then repeat: 565 / 81

Advancing to step 6:
When dividing 565 by 81, we get 6 with a remainder of 79.
The number 6 becomes the next digit in our result. 
Result so far: 10046.0
If we take 486 away from 565, we end up with 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Step 7:
The number 81 fits into 790 9 times, leaving a remainder of 61.
The number 9 becomes the next digit in our result. 
Result so far: 10046.9
Subtract 729 from 790 to get 61.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Let's proceed to step 8:
81 goes into 610 7 times with a remainder of 43.
The next digit of our result is 7. 
Result so far: 10046.97
If we take 567 away from 610, we end up with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Step 9:
81 goes into 430 5 times with a remainder of 25.
Use 5 as the next digit of our solution. 
Result so far: 10046.975
If we take 405 away from 430, we end up with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Advancing to step 10:
81 can be fit into 250 3 times, resulting in a remainder of 7.
Use 3 as the next digit of our solution. 
Result so far: 10046.9753
Deduct 243 from 250 and we're left with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Going ahead to step 11:
70 divided by 81 is 0 with a remainder of 70.
Use 0 as the next digit of our solution. 
Result so far: 10046.9753
The remainder is 70 after subtracting 0 from 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Advancing to step 12:
The number 81 fits into 700 8 times, leaving a remainder of 52.
Use 8 as the next digit of our solution. 
Result so far: 10046.975308
Subtract 648 from 700 to get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

On to step 13:
520 divided by 81 is 6 with a remainder of 34.
The next digit of our result is 6. 
Result so far: 10046.9753086
Subtracting 486 from 520 leaves us with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Step 14:
When dividing 340 by 81, we get 4 with a remainder of 16.
The number 4 becomes the next digit in our result. 
Result so far: 10046.97530864
The remainder is 16 after subtracting 324 from 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

The final result is 10046.97530864 with a remainder of 1.6e-08.