871430 divided by 51 
Let's see how many times 51 fits into 871430.

Advancing to step 1:
If we divide 8 by 51, we get 0 and a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Include the next digit (7) from the dividend after 8, then repeat: 87 / 51

Going ahead to step 2:
When dividing 87 by 51, we get 1 with a remainder of 36.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 51 from 87 leaves us with 36.
Include the next digit (1) from the dividend after 36, then repeat: 361 / 51

Step 3:
51 can be fit into 361 7 times, resulting in a remainder of 4.
Put 7 as the next digit of the answer. 
Result so far: 17.0
Subtracting 357 from 361 leaves us with 4.
Fetch the next digit (4) from the dividend, attach it to 4 and continue: 44 / 51

On to step 4:
When dividing 44 by 51, we get 0 with a remainder of 44.
Record the quotient 0 as the next digit in the result. 
Result so far: 170.0
Subtracting 0 from 44 leaves us with 44.
Append the next digit (3) from the dividend to 44 and continue with: 443 / 51

Advancing to step 5:
The number 51 fits into 443 8 times, leaving a remainder of 35.
Use 8 as the next digit of our solution. 
Result so far: 1708.0
The remainder is 35 after subtracting 408 from 443.
Include the next digit (0) from the dividend after 35, then repeat: 350 / 51

On to step 6:
When dividing 350 by 51, we get 6 with a remainder of 44.
The number 6 becomes the next digit in our result. 
Result so far: 17086.0
If we take 306 away from 350, we end up with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Step 7:
If we divide 440 by 51, we get 8 and a remainder of 32.
Put 8 as the next digit of the answer. 
Result so far: 17086.8
Subtract 408 from 440 to get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Step 8:
51 can be fit into 320 6 times, resulting in a remainder of 14.
Write down 6 as next digit of the result. 
Result so far: 17086.86
The remainder is 14 after subtracting 306 from 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 9:
When dividing 140 by 51, we get 2 with a remainder of 38.
The number 2 becomes the next digit in our result. 
Result so far: 17086.862
Subtracting 102 from 140 leaves us with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Moving on to step 10:
51 can be fit into 380 7 times, resulting in a remainder of 23.
The next digit of our result is 7. 
Result so far: 17086.8627
If we subtract 357 from 380, we get 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Going ahead to step 11:
The number 51 fits into 230 4 times, leaving a remainder of 26.
The number 4 becomes the next digit in our result. 
Result so far: 17086.86274
Deduct 204 from 230 and we're left with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Step 12:
260 divided by 51 is 5 with a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 17086.862745
If we take 255 away from 260, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 13:
50 divided by 51 is 0 with a remainder of 50.
Write down 0 as next digit of the result. 
Result so far: 17086.862745
If we subtract 0 from 50, we get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Going ahead to step 14:
51 can be fit into 500 9 times, resulting in a remainder of 41.
Use 9 as the next digit of our solution. 
Result so far: 17086.86274509
If we take 459 away from 500, we end up with 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

After the division, we end up with 17086.86274509 and a remainder of 4.1e-08.