81829880 divided by 245 
The aim is to understand the frequency of 245 in 81829880.

On to step 1:
When dividing 8 by 245, we get 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Take the next digit (1) from the dividend and append it to 8, then repeat: 81 / 245

Advancing to step 2:
If we divide 81 by 245, we get 0 and a remainder of 81.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 81 after subtracting 0 from 81.
Bring next digit (8) of the dividend behind the 81 and repeat the process: 818 / 245

Step 3:
When dividing 818 by 245, we get 3 with a remainder of 83.
Put 3 as the next digit of the answer. 
Result so far: 3.0
The remainder is 83 after subtracting 735 from 818.
Take the next digit (2) from the dividend and append it to 83, then repeat: 832 / 245

Let's proceed to step 4:
The number 245 fits into 832 3 times, leaving a remainder of 97.
Write down 3 as next digit of the result. 
Result so far: 33.0
Deduct 735 from 832 and we're left with 97.
Grab the next digit (9) from the dividend, add it to 97, then carry on: 979 / 245

Going ahead to step 5:
If we divide 979 by 245, we get 3 and a remainder of 244.
The number 3 becomes the next digit in our result. 
Result so far: 333.0
The remainder is 244 after subtracting 735 from 979.
Append the next digit (8) from the dividend to 244 and continue with: 2448 / 245

Going ahead to step 6:
2448 divided by 245 is 9 with a remainder of 243.
Record the quotient 9 as the next digit in the result. 
Result so far: 3339.0
If we subtract 2205 from 2448, we get 243.
Grab the next digit (8) from the dividend, add it to 243, then carry on: 2438 / 245

On to step 7:
If we divide 2438 by 245, we get 9 and a remainder of 233.
Write down 9 as next digit of the result. 
Result so far: 33399.0
If we subtract 2205 from 2438, we get 233.
Bring next digit (0) of the dividend behind the 233 and repeat the process: 2330 / 245

Advancing to step 8:
The number 245 fits into 2330 9 times, leaving a remainder of 125.
Use 9 as the next digit of our solution. 
Result so far: 333999.0
The remainder is 125 after subtracting 2205 from 2330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1250, and continue the process.

Advancing to step 9:
245 goes into 1250 5 times with a remainder of 25.
Use 5 as the next digit of our solution. 
Result so far: 333999.5
Subtracting 1225 from 1250 leaves us with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Moving on to step 10:
When dividing 250 by 245, we get 1 with a remainder of 5.
The next digit of our result is 1. 
Result so far: 333999.51
Deduct 245 from 250 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 11:
245 can be fit into 50 0 times, resulting in a remainder of 50.
Write down 0 as next digit of the result. 
Result so far: 333999.51
Subtracting 0 from 50 leaves us with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 12:
245 goes into 500 2 times with a remainder of 10.
Write down 2 as next digit of the result. 
Result so far: 333999.5102
If we take 490 away from 500, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 13:
When dividing 100 by 245, we get 0 with a remainder of 100.
Use 0 as the next digit of our solution. 
Result so far: 333999.5102
Subtract 0 from 100 to get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Let's proceed to step 14:
245 goes into 1000 4 times with a remainder of 20.
The number 4 becomes the next digit in our result. 
Result so far: 333999.510204
Deduct 980 from 1000 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 15:
If we divide 200 by 245, we get 0 and a remainder of 200.
The number 0 becomes the next digit in our result. 
Result so far: 333999.510204
Deduct 0 from 200 and we're left 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.

Step 16:
2000 divided by 245 is 8 with a remainder of 40.
Write down 8 as next digit of the result. 
Result so far: 333999.51020408
Subtracting 1960 from 2000 leaves us with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

After the division, we end up with 333999.51020408 and a remainder of 4e-08.