56209909 divided by 666 
We want to figure out the number of times 56209909 can be divided by 666.

Moving on to step 1:
666 goes into 5 0 times with a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Include the next digit (6) from the dividend after 5, then repeat: 56 / 666

Moving on to step 2:
666 goes into 56 0 times with a remainder of 56.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 56 after subtracting 0 from 56.
Bring next digit (2) of the dividend behind the 56 and repeat the process: 562 / 666

On to step 3:
If we divide 562 by 666, we get 0 and a remainder of 562.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 562, we get 562.
Grab the next digit (0) from the dividend, add it to 562, then carry on: 5620 / 666

Going ahead to step 4:
The number 666 fits into 5620 8 times, leaving a remainder of 292.
Write down 8 as next digit of the result. 
Result so far: 8.0
Deduct 5328 from 5620 and we're left with 292.
Bring next digit (9) of the dividend behind the 292 and repeat the process: 2929 / 666

Advancing to step 5:
When dividing 2929 by 666, we get 4 with a remainder of 265.
The next digit of our result is 4. 
Result so far: 84.0
If we take 2664 away from 2929, we end up with 265.
Take the next digit (9) from the dividend and append it to 265, then repeat: 2659 / 666

On to step 6:
The number 666 fits into 2659 3 times, leaving a remainder of 661.
Use 3 as the next digit of our solution. 
Result so far: 843.0
The remainder is 661 after subtracting 1998 from 2659.
Grab the next digit (0) from the dividend, add it to 661, then carry on: 6610 / 666

Moving on to step 7:
When dividing 6610 by 666, we get 9 with a remainder of 616.
Put 9 as the next digit of the answer. 
Result so far: 8439.0
If we take 5994 away from 6610, we end up with 616.
Append the next digit (9) from the dividend to 616 and continue with: 6169 / 666

Going ahead to step 8:
666 goes into 6169 9 times with a remainder of 175.
The next digit of our result is 9. 
Result so far: 84399.0
If we take 5994 away from 6169, we end up with 175.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1750, and continue the process.

Advancing to step 9:
The number 666 fits into 1750 2 times, leaving a remainder of 418.
Use 2 as the next digit of our solution. 
Result so far: 84399.2
If we take 1332 away from 1750, we end up with 418.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4180, and continue the process.

Let's proceed to step 10:
The number 666 fits into 4180 6 times, leaving a remainder of 184.
The next digit of our result is 6. 
Result so far: 84399.26
The remainder is 184 after subtracting 3996 from 4180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

Going ahead to step 11:
When dividing 1840 by 666, we get 2 with a remainder of 508.
The next digit of our result is 2. 
Result so far: 84399.262
Deduct 1332 from 1840 and we're left with 508.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5080, and continue the process.

Let's proceed to step 12:
666 goes into 5080 7 times with a remainder of 418.
Write down 7 as next digit of the result. 
Result so far: 84399.2627
Deduct 4662 from 5080 and we're left with 418.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4180, and continue the process.

Going ahead to step 13:
4180 divided by 666 is 6 with a remainder of 184.
Use 6 as the next digit of our solution. 
Result so far: 84399.26276
Subtract 3996 from 4180 to 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.

Let's proceed to step 14:
The number 666 fits into 1840 2 times, leaving a remainder of 508.
The number 2 becomes the next digit in our result. 
Result so far: 84399.262762
Subtract 1332 from 1840 to get 508.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5080, and continue the process.

Step 15:
When dividing 5080 by 666, we get 7 with a remainder of 418.
Record the quotient 7 as the next digit in the result. 
Result so far: 84399.2627627
The remainder is 418 after subtracting 4662 from 5080.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4180, and continue the process.

Moving on to step 16:
The number 666 fits into 4180 6 times, leaving a remainder of 184.
Record the quotient 6 as the next digit in the result. 
Result so far: 84399.26276276
Subtract 3996 from 4180 to 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.

Our division results in 84399.26276276 with a remaining 1.84e-07.