14653688 divided by 409 
The aim is to understand the frequency of 409 in 14653688.

Step 1:
1 divided by 409 is 0 with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Grab the next digit (4) from the dividend, add it to 1, then carry on: 14 / 409

Step 2:
409 goes into 14 0 times with a remainder of 14.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 14 to get 14.
Take the next digit (6) from the dividend and append it to 14, then repeat: 146 / 409

Step 3:
When dividing 146 by 409, we get 0 with a remainder of 146.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 146 to get 146.
Bring next digit (5) of the dividend behind the 146 and repeat the process: 1465 / 409

Moving on to step 4:
If we divide 1465 by 409, we get 3 and a remainder of 238.
Write down 3 as next digit of the result. 
Result so far: 3.0
Deduct 1227 from 1465 and we're left with 238.
Grab the next digit (3) from the dividend, add it to 238, then carry on: 2383 / 409

Going ahead to step 5:
When dividing 2383 by 409, we get 5 with a remainder of 338.
Use 5 as the next digit of our solution. 
Result so far: 35.0
The remainder is 338 after subtracting 2045 from 2383.
Append the next digit (6) from the dividend to 338 and continue with: 3386 / 409

Moving on to step 6:
409 goes into 3386 8 times with a remainder of 114.
The next digit of our result is 8. 
Result so far: 358.0
The remainder is 114 after subtracting 3272 from 3386.
Bring next digit (8) of the dividend behind the 114 and repeat the process: 1148 / 409

Going ahead to step 7:
1148 divided by 409 is 2 with a remainder of 330.
The number 2 becomes the next digit in our result. 
Result so far: 3582.0
If we subtract 818 from 1148, we get 330.
Take the next digit (8) from the dividend and append it to 330, then repeat: 3308 / 409

Step 8:
409 can be fit into 3308 8 times, resulting in a remainder of 36.
Put 8 as the next digit of the answer. 
Result so far: 35828.0
If we subtract 3272 from 3308, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 9:
409 can be fit into 360 0 times, resulting in a remainder of 360.
Put 0 as the next digit of the answer. 
Result so far: 35828.0
If we subtract 0 from 360, we get 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Going ahead to step 10:
If we divide 3600 by 409, we get 8 and a remainder of 328.
Use 8 as the next digit of our solution. 
Result so far: 35828.08
Subtracting 3272 from 3600 leaves us with 328.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3280, and continue the process.

Let's proceed to step 11:
The number 409 fits into 3280 8 times, leaving a remainder of 8.
The next digit of our result is 8. 
Result so far: 35828.088
Subtracting 3272 from 3280 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Our division results in 35828.088 with a remaining 0.0008.