We look at the division of 321809 by 2 
We're looking to find how many times 2 goes into 321809.

On to step 1:
2 goes into 3 1 times with a remainder of 1.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 2 from 3 leaves us with 1.
Grab the next digit (2) from the dividend, add it to 1, then carry on: 12 / 2

Going ahead to step 2:
When dividing 12 by 2, we get 6 with a remainder of 0.
Use 6 as the next digit of our solution. 
Result so far: 16.0
The remainder is 0 after subtracting 12 from 12.
Take the next digit (1) from the dividend and append it to 0, then repeat: 1 / 2

On to step 3:
If we divide 1 by 2, we get 0 and a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 160.0
Subtracting 0 from 1 leaves us with 1.
Grab the next digit (8) from the dividend, add it to 1, then carry on: 18 / 2

Let's proceed to step 4:
If we divide 18 by 2, we get 9 and a remainder of 0.
Write down 9 as next digit of the result. 
Result so far: 1609.0
Subtract 18 from 18 to get 0.
Grab the next digit (0) from the dividend, add it to 0, then carry on: 0 / 2

Step 5:
The number 2 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 16090.0
If we take 0 away from 0, we end up with 0.
Bring next digit (9) of the dividend behind the 0 and repeat the process: 9 / 2

Moving on to step 6:
The number 2 fits into 9 4 times, leaving a remainder of 1.
Write down 4 as next digit of the result. 
Result so far: 160904.0
Subtract 8 from 9 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 7:
If we divide 10 by 2, we get 5 and a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 160904.5
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.

Going ahead to step 8:
2 goes into 0 0 times with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 160904.5
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.

Let's proceed to step 9:
2 goes into 0 0 times with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 160904.5
If we subtract 0 from 0, we 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 160904.5 with a remaining 0.0.