664144992
664,144,992 is an even composite number composed of five prime numbers multiplied together.
664144992 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 664144992:
25 × 32 × 7 × 31 × 10627
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 31 × 10627)See below for interesting mathematical facts about the number 664144992 from the Numbermatics database.
Names of 664144992
- Cardinal: 664144992 can be written as Six hundred sixty-four million, one hundred forty-four thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 6.64144992 × 108
Factors of 664144992
Divisors of 664144992
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 56 62 63 72 84 93 96 112 124 126 144 168 186 217 224 248 252 279 288 336 372 434 496 504 558 651 672 744 868 992 1008 1116 1302 1488 1736 1953 2016 2232 2604 2976 3472 3906 4464 5208 6944 7812 8928 10416 10627 15624 20832 21254 31248 31881 42508 62496 63762 74389 85016 95643 127524 148778 170032 191286 223167 255048 297556 329437 340064 382572 446334 510096 595112 658874 669501 765144 892668 988311 1020192 1190224 1317748 1339002 1530288 1785336 1976622 2306059 2380448 2635496 2678004 2964933 3060576 3570672 3953244 4612118 5270992 5356008 5929866 6918177 7141344 7906488 9224236 10541984 10712016 11859732 13836354 15812976 18448472 20754531 21424032 23719464 27672708 31625952 36896944 41509062 47438928 55345416 73793888 83018124 94877856 110690832 166036248 221381664 332072496 664144992
- Sum of all divisors σ(n): 2228308992
- Sum of proper divisors (its aliquot sum) s(n): 1564164000
- 664144992 is an abundant number, because the sum of its proper divisors (1564164000) is greater than itself. Its abundance is 900019008
Bases of 664144992
- Binary: 1001111001011000001100011000002
- Hexadecimal: 0x27960C60
- Base-36: AZEXK0
Squares and roots of 664144992
- 664144992 squared (6641449922) is 441088570398680064
- 664144992 cubed (6641449923) is 292946765058722807915839488
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The
square root of 664144992 is 25771.0106903085 -
The
cube root of 664144992 is 872.4776302067
Scales and comparisons
How big is 664144992?- 664,144,992 seconds is equal to 21 years, 6 weeks, 20 hours, 43 minutes, 12 seconds.
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To count from 1 to 664,144,992 would take you about thirty-one 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 664144992 cubic inches would be around 72.7 feet tall.
Recreational maths with 664144992
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