39149141 divided by 715 
We want to figure out the number of times 39149141 can be divided by 715.

Advancing to step 1:
3 divided by 715 is 0 with a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Grab the next digit (9) from the dividend, add it to 3, then carry on: 39 / 715

Advancing to step 2:
715 goes into 39 0 times with a remainder of 39.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 39 after subtracting 0 from 39.
Append the next digit (1) from the dividend to 39 and continue with: 391 / 715

Step 3:
When dividing 391 by 715, we get 0 with a remainder of 391.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 391 to get 391.
Grab the next digit (4) from the dividend, add it to 391, then carry on: 3914 / 715

Let's proceed to step 4:
The number 715 fits into 3914 5 times, leaving a remainder of 339.
The next digit of our result is 5. 
Result so far: 5.0
If we take 3575 away from 3914, we end up with 339.
Take the next digit (9) from the dividend and append it to 339, then repeat: 3399 / 715

On to step 5:
3399 divided by 715 is 4 with a remainder of 539.
Use 4 as the next digit of our solution. 
Result so far: 54.0
If we subtract 2860 from 3399, we get 539.
Take the next digit (1) from the dividend and append it to 539, then repeat: 5391 / 715

Moving on to step 6:
715 can be fit into 5391 7 times, resulting in a remainder of 386.
Put 7 as the next digit of the answer. 
Result so far: 547.0
If we subtract 5005 from 5391, we get 386.
Grab the next digit (4) from the dividend, add it to 386, then carry on: 3864 / 715

On to step 7:
715 can be fit into 3864 5 times, resulting in a remainder of 289.
The number 5 becomes the next digit in our result. 
Result so far: 5475.0
If we subtract 3575 from 3864, we get 289.
Bring next digit (1) of the dividend behind the 289 and repeat the process: 2891 / 715

On to step 8:
When dividing 2891 by 715, we get 4 with a remainder of 31.
The number 4 becomes the next digit in our result. 
Result so far: 54754.0
Subtracting 2860 from 2891 leaves us with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Going ahead to step 9:
If we divide 310 by 715, we get 0 and a remainder of 310.
The next digit of our result is 0. 
Result so far: 54754.0
Deduct 0 from 310 and we're left with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Advancing to step 10:
3100 divided by 715 is 4 with a remainder of 240.
The number 4 becomes the next digit in our result. 
Result so far: 54754.04
If we take 2860 away from 3100, 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.

Advancing to step 11:
The number 715 fits into 2400 3 times, leaving a remainder of 255.
Use 3 as the next digit of our solution. 
Result so far: 54754.043
The remainder is 255 after subtracting 2145 from 2400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2550, and continue the process.

Let's proceed to step 12:
715 can be fit into 2550 3 times, resulting in a remainder of 405.
Use 3 as the next digit of our solution. 
Result so far: 54754.0433
The remainder is 405 after subtracting 2145 from 2550.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4050, and continue the process.

The final outcome is 54754.0433, with a leftover of 0.00405.