We look at the division of 39586338 by 686 
We want to divide 39586338 by 686.

Let's proceed to step 1:
686 goes into 3 0 times with a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Take the next digit (9) from the dividend and append it to 3, then repeat: 39 / 686

Step 2:
When dividing 39 by 686, we get 0 with a remainder of 39.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 39, we get 39.
Bring next digit (5) of the dividend behind the 39 and repeat the process: 395 / 686

Going ahead to step 3:
When dividing 395 by 686, we get 0 with a remainder of 395.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 395 leaves us with 395.
Grab the next digit (8) from the dividend, add it to 395, then carry on: 3958 / 686

Step 4:
3958 divided by 686 is 5 with a remainder of 528.
The next digit of our result is 5. 
Result so far: 5.0
Subtracting 3430 from 3958 leaves us with 528.
Append the next digit (6) from the dividend to 528 and continue with: 5286 / 686

Going ahead to step 5:
5286 divided by 686 is 7 with a remainder of 484.
Use 7 as the next digit of our solution. 
Result so far: 57.0
Subtract 4802 from 5286 to get 484.
Take the next digit (3) from the dividend and append it to 484, then repeat: 4843 / 686

Step 6:
4843 divided by 686 is 7 with a remainder of 41.
The number 7 becomes the next digit in our result. 
Result so far: 577.0
Subtracting 4802 from 4843 leaves us with 41.
Bring next digit (3) of the dividend behind the 41 and repeat the process: 413 / 686

Moving on to step 7:
The number 686 fits into 413 0 times, leaving a remainder of 413.
Record the quotient 0 as the next digit in the result. 
Result so far: 5770.0
Deduct 0 from 413 and we're left with 413.
Grab the next digit (8) from the dividend, add it to 413, then carry on: 4138 / 686

Advancing to step 8:
When dividing 4138 by 686, we get 6 with a remainder of 22.
The number 6 becomes the next digit in our result. 
Result so far: 57706.0
If we take 4116 away from 4138, we end up with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Let's proceed to step 9:
When dividing 220 by 686, we get 0 with a remainder of 220.
Put 0 as the next digit of the answer. 
Result so far: 57706.0
Deduct 0 from 220 and we're left with 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Let's proceed to step 10:
686 goes into 2200 3 times with a remainder of 142.
Use 3 as the next digit of our solution. 
Result so far: 57706.03
If we subtract 2058 from 2200, we get 142.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1420, and continue the process.

Step 11:
The number 686 fits into 1420 2 times, leaving a remainder of 48.
Use 2 as the next digit of our solution. 
Result so far: 57706.032
The remainder is 48 after subtracting 1372 from 1420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Let's proceed to step 12:
The number 686 fits into 480 0 times, leaving a remainder of 480.
The number 0 becomes the next digit in our result. 
Result so far: 57706.032
Deduct 0 from 480 and we're left with 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

On to step 13:
686 can be fit into 4800 6 times, resulting in a remainder of 684.
Write down 6 as next digit of the result. 
Result so far: 57706.03206
If we subtract 4116 from 4800, we get 684.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6840, and continue the process.

Step 14:
The number 686 fits into 6840 9 times, leaving a remainder of 666.
Record the quotient 9 as the next digit in the result. 
Result so far: 57706.032069
Deduct 6174 from 6840 and we're left with 666.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6660, and continue the process.

Going ahead to step 15:
If we divide 6660 by 686, we get 9 and a remainder of 486.
Put 9 as the next digit of the answer. 
Result so far: 57706.0320699
Subtract 6174 from 6660 to get 486.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4860, and continue the process.

Our division results in 57706.0320699 with a remaining 4.86e-06.