51687991 divided by 814 
We're looking to find how many times 814 goes into 51687991.

Going ahead to step 1:
814 can be fit into 5 0 times, resulting in a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 814

Moving on to step 2:
51 divided by 814 is 0 with a remainder of 51.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 51 and we're left with 51.
Include the next digit (6) from the dividend after 51, then repeat: 516 / 814

On to step 3:
516 divided by 814 is 0 with a remainder of 516.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 516 leaves us with 516.
Append the next digit (8) from the dividend to 516 and continue with: 5168 / 814

On to step 4:
The number 814 fits into 5168 6 times, leaving a remainder of 284.
The number 6 becomes the next digit in our result. 
Result so far: 6.0
Subtracting 4884 from 5168 leaves us with 284.
Include the next digit (7) from the dividend after 284, then repeat: 2847 / 814

Advancing to step 5:
When dividing 2847 by 814, we get 3 with a remainder of 405.
The number 3 becomes the next digit in our result. 
Result so far: 63.0
The remainder is 405 after subtracting 2442 from 2847.
Bring next digit (9) of the dividend behind the 405 and repeat the process: 4059 / 814

Moving on to step 6:
If we divide 4059 by 814, we get 4 and a remainder of 803.
Write down 4 as next digit of the result. 
Result so far: 634.0
The remainder is 803 after subtracting 3256 from 4059.
Fetch the next digit (9) from the dividend, attach it to 803 and continue: 8039 / 814

Advancing to step 7:
The number 814 fits into 8039 9 times, leaving a remainder of 713.
The number 9 becomes the next digit in our result. 
Result so far: 6349.0
The remainder is 713 after subtracting 7326 from 8039.
Include the next digit (1) from the dividend after 713, then repeat: 7131 / 814

Step 8:
If we divide 7131 by 814, we get 8 and a remainder of 619.
Put 8 as the next digit of the answer. 
Result so far: 63498.0
If we subtract 6512 from 7131, we get 619.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6190, and continue the process.

Moving on to step 9:
When dividing 6190 by 814, we get 7 with a remainder of 492.
Write down 7 as next digit of the result. 
Result so far: 63498.7
If we take 5698 away from 6190, we end up with 492.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4920, and continue the process.

Let's proceed to step 10:
814 goes into 4920 6 times with a remainder of 36.
Record the quotient 6 as the next digit in the result. 
Result so far: 63498.76
If we subtract 4884 from 4920, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Moving on to step 11:
When dividing 360 by 814, we get 0 with a remainder of 360.
The number 0 becomes the next digit in our result. 
Result so far: 63498.76
The remainder is 360 after subtracting 0 from 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Let's proceed to step 12:
3600 divided by 814 is 4 with a remainder of 344.
Use 4 as the next digit of our solution. 
Result so far: 63498.7604
Subtract 3256 from 3600 to get 344.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3440, and continue the process.

On to step 13:
814 goes into 3440 4 times with a remainder of 184.
Put 4 as the next digit of the answer. 
Result so far: 63498.76044
If we subtract 3256 from 3440, we get 184.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

The quotient of the division is 63498.76044, and the remainder is 0.000184.