Let's divide 25555931 by 819
Let's see how many times 819 fits into 25555931.

On to step 1:
If we divide 2 by 819, we get 0 and a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Fetch the next digit (5) from the dividend, attach it to 2 and continue: 25 / 819

On to step 2:
When dividing 25 by 819, we get 0 with a remainder of 25.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 25 to get 25.
Bring next digit (5) of the dividend behind the 25 and repeat the process: 255 / 819

Going ahead to step 3:
255 divided by 819 is 0 with a remainder of 255.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 255 leaves us with 255.
Fetch the next digit (5) from the dividend, attach it to 255 and continue: 2555 / 819

Moving on to step 4:
If we divide 2555 by 819, we get 3 and a remainder of 98.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
Subtract 2457 from 2555 to get 98.
Take the next digit (5) from the dividend and append it to 98, then repeat: 985 / 819

Step 5:
If we divide 985 by 819, we get 1 and a remainder of 166.
The number 1 becomes the next digit in our result. 
Result so far: 31.0
If we take 819 away from 985, we end up with 166.
Include the next digit (9) from the dividend after 166, then repeat: 1669 / 819

Advancing to step 6:
819 goes into 1669 2 times with a remainder of 31.
The next digit of our result is 2. 
Result so far: 312.0
Subtracting 1638 from 1669 leaves us with 31.
Append the next digit (3) from the dividend to 31 and continue with: 313 / 819

Moving on to step 7:
The number 819 fits into 313 0 times, leaving a remainder of 313.
The number 0 becomes the next digit in our result. 
Result so far: 3120.0
If we take 0 away from 313, we end up with 313.
Include the next digit (1) from the dividend after 313, then repeat: 3131 / 819

Moving on to step 8:
When dividing 3131 by 819, we get 3 with a remainder of 674.
The number 3 becomes the next digit in our result. 
Result so far: 31203.0
Subtract 2457 from 3131 to get 674.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6740, and continue the process.

On to step 9:
819 can be fit into 6740 8 times, resulting in a remainder of 188.
Write down 8 as next digit of the result. 
Result so far: 31203.8
If we take 6552 away from 6740, we end up with 188.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1880, and continue the process.

On to step 10:
819 can be fit into 1880 2 times, resulting in a remainder of 242.
Put 2 as the next digit of the answer. 
Result so far: 31203.82
The remainder is 242 after subtracting 1638 from 1880.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2420, and continue the process.

Step 11:
The number 819 fits into 2420 2 times, leaving a remainder of 782.
Write down 2 as next digit of the result. 
Result so far: 31203.822
The remainder is 782 after subtracting 1638 from 2420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7820, and continue the process.

The quotient of the division is 31203.822, and the remainder is 0.0782.