191639 divided by 2 
Our goal is to divide 191639 by 2.

Moving on to step 1:
The number 2 fits into 1 0 times, leaving a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Take the next digit (9) from the dividend and append it to 1, then repeat: 19 / 2

On to step 2:
When dividing 19 by 2, we get 9 with a remainder of 1.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
Deduct 18 from 19 and we're left with 1.
Include the next digit (1) from the dividend after 1, then repeat: 11 / 2

Step 3:
The number 2 fits into 11 5 times, leaving a remainder of 1.
The next digit of our result is 5. 
Result so far: 95.0
Subtracting 10 from 11 leaves us with 1.
Fetch the next digit (6) from the dividend, attach it to 1 and continue: 16 / 2

Step 4:
2 can be fit into 16 8 times, resulting in a remainder of 0.
Write down 8 as next digit of the result. 
Result so far: 958.0
Subtract 16 from 16 to get 0.
Include the next digit (3) from the dividend after 0, then repeat: 3 / 2

Going ahead to step 5:
The number 2 fits into 3 1 times, leaving a remainder of 1.
Use 1 as the next digit of our solution. 
Result so far: 9581.0
Subtract 2 from 3 to get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 2

Going ahead to step 6:
2 goes into 19 9 times with a remainder of 1.
Record the quotient 9 as the next digit in the result. 
Result so far: 95819.0
Subtracting 18 from 19 leaves us 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.

Let's proceed to step 7:
2 goes into 10 5 times with a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 95819.5
If we subtract 10 from 10, 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.

Step 8:
When dividing 0 by 2, we get 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 95819.5
Subtracting 0 from 0 leaves us 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:
When dividing 0 by 2, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 95819.5
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.

The final result is 95819.5 with a remainder of 0.0.