689185 divided by 21 
We want to figure out the number of times 689185 can be divided by 21.

On to step 1:
When dividing 6 by 21, we get 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Append the next digit (8) from the dividend to 6 and continue with: 68 / 21

Let's proceed to step 2:
When dividing 68 by 21, we get 3 with a remainder of 5.
Write down 3 as next digit of the result. 
Result so far: 3.0
The remainder is 5 after subtracting 63 from 68.
Append the next digit (9) from the dividend to 5 and continue with: 59 / 21

Going ahead to step 3:
21 goes into 59 2 times with a remainder of 17.
Write down 2 as next digit of the result. 
Result so far: 32.0
Subtracting 42 from 59 leaves us with 17.
Include the next digit (1) from the dividend after 17, then repeat: 171 / 21

Step 4:
171 divided by 21 is 8 with a remainder of 3.
Record the quotient 8 as the next digit in the result. 
Result so far: 328.0
If we take 168 away from 171, we end up with 3.
Bring next digit (8) of the dividend behind the 3 and repeat the process: 38 / 21

Moving on to step 5:
21 can be fit into 38 1 times, resulting in a remainder of 17.
Put 1 as the next digit of the answer. 
Result so far: 3281.0
If we take 21 away from 38, we end up with 17.
Append the next digit (5) from the dividend to 17 and continue with: 175 / 21

Let's proceed to step 6:
If we divide 175 by 21, we get 8 and a remainder of 7.
Write down 8 as next digit of the result. 
Result so far: 32818.0
Subtract 168 from 175 to get 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Going ahead to step 7:
70 divided by 21 is 3 with a remainder of 7.
The next digit of our result is 3. 
Result so far: 32818.3
Subtracting 63 from 70 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Advancing to step 8:
When dividing 70 by 21, we get 3 with a remainder of 7.
Record the quotient 3 as the next digit in the result. 
Result so far: 32818.33
Deduct 63 from 70 and we're left with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

The final outcome is 32818.33, with a leftover of 0.007.