We divide 990566 by 2
We want to figure out the number of times 990566 can be divided by 2.

On to step 1:
If we divide 9 by 2, we get 4 and a remainder of 1.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
Subtract 8 from 9 to get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 2

Moving on to step 2:
2 can be fit into 19 9 times, resulting in a remainder of 1.
Use 9 as the next digit of our solution. 
Result so far: 49.0
If we subtract 18 from 19, we get 1.
Take the next digit (0) from the dividend and append it to 1, then repeat: 10 / 2

Advancing to step 3:
2 can be fit into 10 5 times, resulting in a remainder of 0.
The next digit of our result is 5. 
Result so far: 495.0
Deduct 10 from 10 and we're left with 0.
Bring next digit (5) of the dividend behind the 0 and repeat the process: 5 / 2

Step 4:
If we divide 5 by 2, we get 2 and a remainder of 1.
Put 2 as the next digit of the answer. 
Result so far: 4952.0
If we take 4 away from 5, we end up with 1.
Include the next digit (6) from the dividend after 1, then repeat: 16 / 2

Let's proceed to step 5:
When dividing 16 by 2, we get 8 with a remainder of 0.
Use 8 as the next digit of our solution. 
Result so far: 49528.0
If we take 16 away from 16, we end up with 0.
Append the next digit (6) from the dividend to 0 and continue with: 6 / 2

Going ahead to step 6:
If we divide 6 by 2, we get 3 and a remainder of 0.
Use 3 as the next digit of our solution. 
Result so far: 495283.0
The remainder is 0 after subtracting 6 from 6.
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 7:
2 goes into 0 0 times with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 495283.0
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.

Let's proceed to step 8:
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: 495283.0
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.

After the division, we end up with 495283.0 and a remainder of 0.0.