393971 divided by 10 
We want to figure out the number of times 393971 can be divided by 10.

On to step 1:
If we divide 3 by 10, we get 0 and a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Take the next digit (9) from the dividend and append it to 3, then repeat: 39 / 10

Step 2:
10 can be fit into 39 3 times, resulting in a remainder of 9.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
If we take 30 away from 39, we end up with 9.
Take the next digit (3) from the dividend and append it to 9, then repeat: 93 / 10

Going ahead to step 3:
The number 10 fits into 93 9 times, leaving a remainder of 3.
Use 9 as the next digit of our solution. 
Result so far: 39.0
If we take 90 away from 93, we end up with 3.
Append the next digit (9) from the dividend to 3 and continue with: 39 / 10

Moving on to step 4:
10 can be fit into 39 3 times, resulting in a remainder of 9.
Use 3 as the next digit of our solution. 
Result so far: 393.0
The remainder is 9 after subtracting 30 from 39.
Grab the next digit (7) from the dividend, add it to 9, then carry on: 97 / 10

Moving on to step 5:
When dividing 97 by 10, we get 9 with a remainder of 7.
The number 9 becomes the next digit in our result. 
Result so far: 3939.0
If we take 90 away from 97, we end up with 7.
Append the next digit (1) from the dividend to 7 and continue with: 71 / 10

Step 6:
The number 10 fits into 71 7 times, leaving a remainder of 1.
The number 7 becomes the next digit in our result. 
Result so far: 39397.0
The remainder is 1 after subtracting 70 from 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 7:
The number 10 fits into 10 1 times, leaving a remainder of 0.
Use 1 as the next digit of our solution. 
Result so far: 39397.1
Deduct 10 from 10 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 8:
10 goes into 0 0 times with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 39397.1
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 9:
10 goes into 0 0 times with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 39397.1
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 39397.1 with a remaining 0.0.