We look at the division of 25209839 by 109 
We want to figure out the number of times 25209839 can be divided by 109.

Moving on to step 1:
If we divide 2 by 109, we get 0 and a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Fetch the next digit (5) from the dividend, attach it to 2 and continue: 25 / 109

Advancing to step 2:
25 divided by 109 is 0 with a remainder of 25.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 25 leaves us with 25.
Fetch the next digit (2) from the dividend, attach it to 25 and continue: 252 / 109

Going ahead to step 3:
If we divide 252 by 109, we get 2 and a remainder of 34.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtract 218 from 252 to get 34.
Include the next digit (0) from the dividend after 34, then repeat: 340 / 109

Going ahead to step 4:
The number 109 fits into 340 3 times, leaving a remainder of 13.
The number 3 becomes the next digit in our result. 
Result so far: 23.0
Subtracting 327 from 340 leaves us with 13.
Bring next digit (9) of the dividend behind the 13 and repeat the process: 139 / 109

Moving on to step 5:
109 goes into 139 1 times with a remainder of 30.
Write down 1 as next digit of the result. 
Result so far: 231.0
The remainder is 30 after subtracting 109 from 139.
Fetch the next digit (8) from the dividend, attach it to 30 and continue: 308 / 109

On to step 6:
The number 109 fits into 308 2 times, leaving a remainder of 90.
The number 2 becomes the next digit in our result. 
Result so far: 2312.0
The remainder is 90 after subtracting 218 from 308.
Append the next digit (3) from the dividend to 90 and continue with: 903 / 109

Advancing to step 7:
The number 109 fits into 903 8 times, leaving a remainder of 31.
Put 8 as the next digit of the answer. 
Result so far: 23128.0
If we take 872 away from 903, we end up with 31.
Take the next digit (9) from the dividend and append it to 31, then repeat: 319 / 109

Going ahead to step 8:
When dividing 319 by 109, we get 2 with a remainder of 101.
The number 2 becomes the next digit in our result. 
Result so far: 231282.0
Subtract 218 from 319 to get 101.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1010, and continue the process.

Going ahead to step 9:
109 goes into 1010 9 times with a remainder of 29.
The next digit of our result is 9. 
Result so far: 231282.9
If we subtract 981 from 1010, we get 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Advancing to step 10:
290 divided by 109 is 2 with a remainder of 72.
The next digit of our result is 2. 
Result so far: 231282.92
The remainder is 72 after subtracting 218 from 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Let's proceed to step 11:
109 goes into 720 6 times with a remainder of 66.
Record the quotient 6 as the next digit in the result. 
Result so far: 231282.926
Subtract 654 from 720 to get 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

On to step 12:
The number 109 fits into 660 6 times, leaving a remainder of 6.
The number 6 becomes the next digit in our result. 
Result so far: 231282.9266
If we subtract 654 from 660, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

After the division, we end up with 231282.9266 and a remainder of 6e-05.