86656686 ÷ 630 
We're looking to find how many times 630 goes into 86656686.

Step 1:
630 goes into 8 0 times with 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.
Include the next digit (6) from the dividend after 8, then repeat: 86 / 630

On to step 2:
The number 630 fits into 86 0 times, leaving a remainder of 86.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 86 to get 86.
Fetch the next digit (6) from the dividend, attach it to 86 and continue: 866 / 630

Advancing to step 3:
630 goes into 866 1 times with a remainder of 236.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 630 from 866, we get 236.
Bring next digit (5) of the dividend behind the 236 and repeat the process: 2365 / 630

Let's proceed to step 4:
2365 divided by 630 is 3 with a remainder of 475.
The number 3 becomes the next digit in our result. 
Result so far: 13.0
Deduct 1890 from 2365 and we're left with 475.
Bring next digit (6) of the dividend behind the 475 and repeat the process: 4756 / 630

Step 5:
If we divide 4756 by 630, we get 7 and a remainder of 346.
The next digit of our result is 7. 
Result so far: 137.0
If we subtract 4410 from 4756, we get 346.
Append the next digit (6) from the dividend to 346 and continue with: 3466 / 630

On to step 6:
630 can be fit into 3466 5 times, resulting in a remainder of 316.
Record the quotient 5 as the next digit in the result. 
Result so far: 1375.0
Subtract 3150 from 3466 to get 316.
Include the next digit (8) from the dividend after 316, then repeat: 3168 / 630

Going ahead to step 7:
630 goes into 3168 5 times with a remainder of 18.
Use 5 as the next digit of our solution. 
Result so far: 13755.0
Deduct 3150 from 3168 and we're left with 18.
Append the next digit (6) from the dividend to 18 and continue with: 186 / 630

Going ahead to step 8:
When dividing 186 by 630, we get 0 with a remainder of 186.
Write down 0 as next digit of the result. 
Result so far: 137550.0
The remainder is 186 after subtracting 0 from 186.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1860, and continue the process.

Going ahead to step 9:
1860 divided by 630 is 2 with a remainder of 600.
Use 2 as the next digit of our solution. 
Result so far: 137550.2
The remainder is 600 after subtracting 1260 from 1860.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6000, and continue the process.

Moving on to step 10:
630 goes into 6000 9 times with a remainder of 330.
The number 9 becomes the next digit in our result. 
Result so far: 137550.29
Deduct 5670 from 6000 and we're left with 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Advancing to step 11:
630 can be fit into 3300 5 times, resulting in a remainder of 150.
Put 5 as the next digit of the answer. 
Result so far: 137550.295
Subtracting 3150 from 3300 leaves us with 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Advancing to step 12:
When dividing 1500 by 630, we get 2 with a remainder of 240.
Record the quotient 2 as the next digit in the result. 
Result so far: 137550.2952
If we take 1260 away from 1500, we end up with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Step 13:
The number 630 fits into 2400 3 times, leaving a remainder of 510.
The next digit of our result is 3. 
Result so far: 137550.29523
If we take 1890 away from 2400, we end up with 510.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5100, and continue the process.

Going ahead to step 14:
630 can be fit into 5100 8 times, resulting in a remainder of 60.
Use 8 as the next digit of our solution. 
Result so far: 137550.295238
Subtract 5040 from 5100 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Going ahead to step 15:
630 can be fit into 600 0 times, resulting in a remainder of 600.
Write down 0 as next digit of the result. 
Result so far: 137550.295238
Deduct 0 from 600 and we're left with 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6000, and continue the process.

On to step 16:
The number 630 fits into 6000 9 times, leaving a remainder of 330.
The next digit of our result is 9. 
Result so far: 137550.29523809
Subtract 5670 from 6000 to get 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

The final outcome is 137550.29523809, with a leftover of 3.3e-07.