66019712 divided by 210 
We want to divide 66019712 by 210.

On to step 1:
210 goes into 6 0 times with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Bring next digit (6) of the dividend behind the 6 and repeat the process: 66 / 210

Moving on to step 2:
If we divide 66 by 210, we get 0 and a remainder of 66.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 66 and we're left with 66.
Fetch the next digit (0) from the dividend, attach it to 66 and continue: 660 / 210

On to step 3:
660 divided by 210 is 3 with a remainder of 30.
Use 3 as the next digit of our solution. 
Result so far: 3.0
Subtract 630 from 660 to get 30.
Fetch the next digit (1) from the dividend, attach it to 30 and continue: 301 / 210

Going ahead to step 4:
210 can be fit into 301 1 times, resulting in a remainder of 91.
Put 1 as the next digit of the answer. 
Result so far: 31.0
If we take 210 away from 301, we end up with 91.
Grab the next digit (9) from the dividend, add it to 91, then carry on: 919 / 210

Advancing to step 5:
919 divided by 210 is 4 with a remainder of 79.
The next digit of our result is 4. 
Result so far: 314.0
Subtracting 840 from 919 leaves us with 79.
Append the next digit (7) from the dividend to 79 and continue with: 797 / 210

Moving on to step 6:
210 goes into 797 3 times with a remainder of 167.
Use 3 as the next digit of our solution. 
Result so far: 3143.0
Subtracting 630 from 797 leaves us with 167.
Take the next digit (1) from the dividend and append it to 167, then repeat: 1671 / 210

Moving on to step 7:
When dividing 1671 by 210, we get 7 with a remainder of 201.
The next digit of our result is 7. 
Result so far: 31437.0
Subtracting 1470 from 1671 leaves us with 201.
Include the next digit (2) from the dividend after 201, then repeat: 2012 / 210

Going ahead to step 8:
When dividing 2012 by 210, we get 9 with a remainder of 122.
Use 9 as the next digit of our solution. 
Result so far: 314379.0
Subtracting 1890 from 2012 leaves us with 122.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1220, and continue the process.

On to step 9:
1220 divided by 210 is 5 with a remainder of 170.
The next digit of our result is 5. 
Result so far: 314379.5
Subtracting 1050 from 1220 leaves us with 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

Moving on to step 10:
210 can be fit into 1700 8 times, resulting in a remainder of 20.
Put 8 as the next digit of the answer. 
Result so far: 314379.58
Subtract 1680 from 1700 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 11:
200 divided by 210 is 0 with a remainder of 200.
The next digit of our result is 0. 
Result so far: 314379.58
If we take 0 away from 200, we end up with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Going ahead to step 12:
When dividing 2000 by 210, we get 9 with a remainder of 110.
The next digit of our result is 9. 
Result so far: 314379.5809
If we take 1890 away from 2000, we end up with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

On to step 13:
If we divide 1100 by 210, we get 5 and a remainder of 50.
The number 5 becomes the next digit in our result. 
Result so far: 314379.58095
The remainder is 50 after subtracting 1050 from 1100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 14:
The number 210 fits into 500 2 times, leaving a remainder of 80.
The number 2 becomes the next digit in our result. 
Result so far: 314379.580952
If we take 420 away from 500, we end up with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Going ahead to step 15:
800 divided by 210 is 3 with a remainder of 170.
Use 3 as the next digit of our solution. 
Result so far: 314379.5809523
Deduct 630 from 800 and we're left with 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

Advancing to step 16:
If we divide 1700 by 210, we get 8 and a remainder of 20.
Put 8 as the next digit of the answer. 
Result so far: 314379.58095238
Deduct 1680 from 1700 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

After the division, we end up with 314379.58095238 and a remainder of 2e-08.