808421 divided by 10 
We want to figure out the number of times 808421 can be divided by 10.

Let's proceed to step 1:
When dividing 8 by 10, we get 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Fetch the next digit (0) from the dividend, attach it to 8 and continue: 80 / 10

On to step 2:
If we divide 80 by 10, we get 8 and a remainder of 0.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
If we take 80 away from 80, we end up with 0.
Take the next digit (8) from the dividend and append it to 0, then repeat: 8 / 10

Step 3:
10 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 80.0
Subtract 0 from 8 to get 8.
Take the next digit (4) from the dividend and append it to 8, then repeat: 84 / 10

Moving on to step 4:
10 can be fit into 84 8 times, resulting in a remainder of 4.
The number 8 becomes the next digit in our result. 
Result so far: 808.0
If we subtract 80 from 84, we get 4.
Take the next digit (2) from the dividend and append it to 4, then repeat: 42 / 10

Going ahead to step 5:
10 goes into 42 4 times with a remainder of 2.
Use 4 as the next digit of our solution. 
Result so far: 8084.0
Deduct 40 from 42 and we're left with 2.
Include the next digit (1) from the dividend after 2, then repeat: 21 / 10

On to step 6:
21 divided by 10 is 2 with a remainder of 1.
The number 2 becomes the next digit in our result. 
Result so far: 80842.0
Deduct 20 from 21 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 7:
10 goes into 10 1 times with a remainder of 0.
Write down 1 as next digit of the result. 
Result so far: 80842.1
If we take 10 away from 10, 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.

Let's proceed to step 8:
0 divided by 10 is 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 80842.1
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 9:
0 divided by 10 is 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 80842.1
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.

Our division results in 80842.1 with a remaining 0.0.