20879867 divided by 630 
The aim is to understand the frequency of 630 in 20879867.

Advancing to step 1:
2 divided by 630 is 0 with a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Append the next digit (0) from the dividend to 2 and continue with: 20 / 630

Step 2:
When dividing 20 by 630, we get 0 with a remainder of 20.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 20 to get 20.
Bring next digit (8) of the dividend behind the 20 and repeat the process: 208 / 630

Advancing to step 3:
630 can be fit into 208 0 times, resulting in a remainder of 208.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 208, we get 208.
Fetch the next digit (7) from the dividend, attach it to 208 and continue: 2087 / 630

Moving on to step 4:
2087 divided by 630 is 3 with a remainder of 197.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Deduct 1890 from 2087 and we're left with 197.
Bring next digit (9) of the dividend behind the 197 and repeat the process: 1979 / 630

Let's proceed to step 5:
If we divide 1979 by 630, we get 3 and a remainder of 89.
The next digit of our result is 3. 
Result so far: 33.0
Subtracting 1890 from 1979 leaves us with 89.
Append the next digit (8) from the dividend to 89 and continue with: 898 / 630

On to step 6:
898 divided by 630 is 1 with a remainder of 268.
The next digit of our result is 1. 
Result so far: 331.0
Deduct 630 from 898 and we're left with 268.
Include the next digit (6) from the dividend after 268, then repeat: 2686 / 630

On to step 7:
630 can be fit into 2686 4 times, resulting in a remainder of 166.
Record the quotient 4 as the next digit in the result. 
Result so far: 3314.0
Subtracting 2520 from 2686 leaves us with 166.
Append the next digit (7) from the dividend to 166 and continue with: 1667 / 630

Step 8:
When dividing 1667 by 630, we get 2 with a remainder of 407.
Put 2 as the next digit of the answer. 
Result so far: 33142.0
The remainder is 407 after subtracting 1260 from 1667.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4070, and continue the process.

Moving on to step 9:
4070 divided by 630 is 6 with a remainder of 290.
Record the quotient 6 as the next digit in the result. 
Result so far: 33142.6
Subtract 3780 from 4070 to get 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

Moving on to step 10:
If we divide 2900 by 630, we get 4 and a remainder of 380.
Use 4 as the next digit of our solution. 
Result so far: 33142.64
If we take 2520 away from 2900, we end up with 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3800, and continue the process.

Moving on to step 11:
If we divide 3800 by 630, we get 6 and a remainder of 20.
Write down 6 as next digit of the result. 
Result so far: 33142.646
Subtract 3780 from 3800 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 12:
The number 630 fits into 200 0 times, leaving a remainder of 200.
The next digit of our result is 0. 
Result so far: 33142.646
If we take 0 away from 200, we end up with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

On to step 13:
When dividing 2000 by 630, we get 3 with a remainder of 110.
Record the quotient 3 as the next digit in the result. 
Result so far: 33142.64603
Subtracting 1890 from 2000 leaves us with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Step 14:
1100 divided by 630 is 1 with a remainder of 470.
The number 1 becomes the next digit in our result. 
Result so far: 33142.646031
The remainder is 470 after subtracting 630 from 1100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4700, and continue the process.

Going ahead to step 15:
4700 divided by 630 is 7 with a remainder of 290.
Use 7 as the next digit of our solution. 
Result so far: 33142.6460317
If we take 4410 away from 4700, we end up with 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

Moving on to step 16:
2900 divided by 630 is 4 with a remainder of 380.
Record the quotient 4 as the next digit in the result. 
Result so far: 33142.64603174
If we take 2520 away from 2900, we end up with 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3800, and continue the process.

The final result is 33142.64603174 with a remainder of 3.8e-07.