Let's divide 24816097 by 645
The aim is to understand the frequency of 645 in 24816097.

Advancing to step 1:
645 can be fit into 2 0 times, resulting in a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Append the next digit (4) from the dividend to 2 and continue with: 24 / 645

On to step 2:
645 goes into 24 0 times with a remainder of 24.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 24, we end up with 24.
Include the next digit (8) from the dividend after 24, then repeat: 248 / 645

Advancing to step 3:
645 can be fit into 248 0 times, resulting in a remainder of 248.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 248 and we're left with 248.
Take the next digit (1) from the dividend and append it to 248, then repeat: 2481 / 645

Moving on to step 4:
If we divide 2481 by 645, we get 3 and a remainder of 546.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
If we subtract 1935 from 2481, we get 546.
Append the next digit (6) from the dividend to 546 and continue with: 5466 / 645

Going ahead to step 5:
5466 divided by 645 is 8 with a remainder of 306.
Use 8 as the next digit of our solution. 
Result so far: 38.0
If we take 5160 away from 5466, we end up with 306.
Take the next digit (0) from the dividend and append it to 306, then repeat: 3060 / 645

Advancing to step 6:
If we divide 3060 by 645, we get 4 and a remainder of 480.
Write down 4 as next digit of the result. 
Result so far: 384.0
Deduct 2580 from 3060 and we're left with 480.
Include the next digit (9) from the dividend after 480, then repeat: 4809 / 645

On to step 7:
645 can be fit into 4809 7 times, resulting in a remainder of 294.
Write down 7 as next digit of the result. 
Result so far: 3847.0
Deduct 4515 from 4809 and we're left with 294.
Fetch the next digit (7) from the dividend, attach it to 294 and continue: 2947 / 645

Going ahead to step 8:
645 goes into 2947 4 times with a remainder of 367.
Write down 4 as next digit of the result. 
Result so far: 38474.0
If we subtract 2580 from 2947, we get 367.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3670, and continue the process.

Going ahead to step 9:
645 can be fit into 3670 5 times, resulting in a remainder of 445.
The next digit of our result is 5. 
Result so far: 38474.5
The remainder is 445 after subtracting 3225 from 3670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4450, and continue the process.

Going ahead to step 10:
4450 divided by 645 is 6 with a remainder of 580.
Use 6 as the next digit of our solution. 
Result so far: 38474.56
The remainder is 580 after subtracting 3870 from 4450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Advancing to step 11:
645 goes into 5800 8 times with a remainder of 640.
The number 8 becomes the next digit in our result. 
Result so far: 38474.568
If we subtract 5160 from 5800, we get 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6400, and continue the process.

Going ahead to step 12:
When dividing 6400 by 645, we get 9 with a remainder of 595.
Write down 9 as next digit of the result. 
Result so far: 38474.5689
If we subtract 5805 from 6400, we get 595.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5950, and continue the process.

Step 13:
The number 645 fits into 5950 9 times, leaving a remainder of 145.
Use 9 as the next digit of our solution. 
Result so far: 38474.56899
The remainder is 145 after subtracting 5805 from 5950.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1450, and continue the process.

After the division, we end up with 38474.56899 and a remainder of 0.000145.