54399110 divided by 669 
We're looking to find how many times 669 goes into 54399110.

Going ahead to step 1:
669 goes into 5 0 times with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Take the next digit (4) from the dividend and append it to 5, then repeat: 54 / 669

Step 2:
The number 669 fits into 54 0 times, leaving a remainder of 54.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 54 to get 54.
Take the next digit (3) from the dividend and append it to 54, then repeat: 543 / 669

Moving on to step 3:
The number 669 fits into 543 0 times, leaving a remainder of 543.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 543 and we're left with 543.
Bring next digit (9) of the dividend behind the 543 and repeat the process: 5439 / 669

Advancing to step 4:
If we divide 5439 by 669, we get 8 and a remainder of 87.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
If we subtract 5352 from 5439, we get 87.
Grab the next digit (9) from the dividend, add it to 87, then carry on: 879 / 669

Moving on to step 5:
The number 669 fits into 879 1 times, leaving a remainder of 210.
The next digit of our result is 1. 
Result so far: 81.0
Deduct 669 from 879 and we're left with 210.
Append the next digit (1) from the dividend to 210 and continue with: 2101 / 669

Let's proceed to step 6:
2101 divided by 669 is 3 with a remainder of 94.
Put 3 as the next digit of the answer. 
Result so far: 813.0
Subtract 2007 from 2101 to get 94.
Bring next digit (1) of the dividend behind the 94 and repeat the process: 941 / 669

Advancing to step 7:
If we divide 941 by 669, we get 1 and a remainder of 272.
The next digit of our result is 1. 
Result so far: 8131.0
Subtracting 669 from 941 leaves us with 272.
Bring next digit (0) of the dividend behind the 272 and repeat the process: 2720 / 669

On to step 8:
When dividing 2720 by 669, we get 4 with a remainder of 44.
Record the quotient 4 as the next digit in the result. 
Result so far: 81314.0
The remainder is 44 after subtracting 2676 from 2720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Let's proceed to step 9:
669 goes into 440 0 times with a remainder of 440.
The number 0 becomes the next digit in our result. 
Result so far: 81314.0
Subtracting 0 from 440 leaves us with 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4400, and continue the process.

Step 10:
The number 669 fits into 4400 6 times, leaving a remainder of 386.
The number 6 becomes the next digit in our result. 
Result so far: 81314.06
Deduct 4014 from 4400 and we're left with 386.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3860, and continue the process.

Advancing to step 11:
3860 divided by 669 is 5 with a remainder of 515.
Put 5 as the next digit of the answer. 
Result so far: 81314.065
The remainder is 515 after subtracting 3345 from 3860.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5150, and continue the process.

Advancing to step 12:
669 goes into 5150 7 times with a remainder of 467.
Put 7 as the next digit of the answer. 
Result so far: 81314.0657
Subtract 4683 from 5150 to get 467.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4670, and continue the process.

Advancing to step 13:
669 goes into 4670 6 times with a remainder of 656.
Put 6 as the next digit of the answer. 
Result so far: 81314.06576
Subtract 4014 from 4670 to get 656.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6560, and continue the process.

On to step 14:
669 goes into 6560 9 times with a remainder of 539.
Use 9 as the next digit of our solution. 
Result so far: 81314.065769
Deduct 6021 from 6560 and we're left with 539.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5390, and continue the process.

Let's proceed to step 15:
669 can be fit into 5390 8 times, resulting in a remainder of 38.
Record the quotient 8 as the next digit in the result. 
Result so far: 81314.0657698
If we subtract 5352 from 5390, we get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Step 16:
If we divide 380 by 669, we get 0 and a remainder of 380.
Record the quotient 0 as the next digit in the result. 
Result so far: 81314.0657698
If we take 0 away from 380, 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 quotient of the division is 81314.0657698, and the remainder is 3.8e-07.