66984320
66,984,320 is an even composite number composed of five prime numbers multiplied together.
66984320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 66984320:
27 × 5 × 13 × 83 × 97
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 83 × 97)See below for interesting mathematical facts about the number 66984320 from the Numbermatics database.
Names of 66984320
- Cardinal: 66984320 can be written as Sixty-six million, nine hundred eighty-four thousand, three hundred twenty.
Scientific notation
- Scientific notation: 6.698432 × 107
Factors of 66984320
Divisors of 66984320
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 83 97 104 128 130 160 166 194 208 260 320 332 388 415 416 485 520 640 664 776 830 832 970 1040 1079 1261 1328 1552 1660 1664 1940 2080 2158 2522 2656 3104 3320 3880 4160 4316 5044 5312 5395 6208 6305 6640 7760 8051 8320 8632 10088 10624 10790 12416 12610 13280 15520 16102 17264 20176 21580 25220 26560 31040 32204 34528 40255 40352 43160 50440 53120 62080 64408 69056 80510 80704 86320 100880 104663 128816 138112 161020 161408 172640 201760 209326 257632 322040 345280 403520 418652 515264 523315 644080 690560 807040 837304 1030528 1046630 1288160 1674608 2093260 2576320 3349216 4186520 5152640 6698432 8373040 13396864 16746080 33492160 66984320
- Sum of all divisors σ(n): 176329440
- Sum of proper divisors (its aliquot sum) s(n): 109345120
- 66984320 is an abundant number, because the sum of its proper divisors (109345120) is greater than itself. Its abundance is 42360800
Bases of 66984320
- Binary: 111111111000011001100000002
- Hexadecimal: 0x3FE1980
- Base-36: 13VPFK
Squares and roots of 66984320
- 66984320 squared (669843202) is 4486899125862400
- 66984320 cubed (669843203) is 300551886854487277568000
-
The
square root of 66984320 is 8184.3949073831 -
The
cube root of 66984320 is 406.1231234559
Scales and comparisons
How big is 66984320?- 66,984,320 seconds is equal to 2 years, 6 weeks, 5 days, 6 hours, 45 minutes, 20 seconds.
-
To count from 1 to 66,984,320 would take you about three years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 66984320 cubic inches would be around 33.8 feet tall.
Recreational maths with 66984320
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