668968960
668,968,960 is an even composite number composed of four prime numbers multiplied together.
668968960 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 668968960:
211 × 5 × 11 × 5939
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 5939)See below for interesting mathematical facts about the number 668968960 from the Numbermatics database.
Names of 668968960
- Cardinal: 668968960 can be written as Six hundred sixty-eight million, nine hundred sixty-eight thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 6.6896896 × 108
Factors of 668968960
Divisors of 668968960
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 352 440 512 640 704 880 1024 1280 1408 1760 2048 2560 2816 3520 5120 5632 5939 7040 10240 11264 11878 14080 22528 23756 28160 29695 47512 56320 59390 65329 95024 112640 118780 130658 190048 237560 261316 326645 380096 475120 522632 653290 760192 950240 1045264 1306580 1520384 1900480 2090528 2613160 3040768 3800960 4181056 5226320 6081536 7601920 8362112 10452640 12163072 15203840 16724224 20905280 30407680 33448448 41810560 60815360 66896896 83621120 133793792 167242240 334484480 668968960
- Sum of all divisors σ(n): 1751349600
- Sum of proper divisors (its aliquot sum) s(n): 1082380640
- 668968960 is an abundant number, because the sum of its proper divisors (1082380640) is greater than itself. Its abundance is 413411680
Bases of 668968960
- Binary: 1001111101111110101000000000002
- Hexadecimal: 0x27DFA800
- Base-36: B2ABR4
Squares and roots of 668968960
- 668968960 squared (6689689602) is 447519469443481600
- 668968960 cubed (6689689603) is 299376634053357664731136000
-
The
square root of 668968960 is 25864.4342679287 -
The
cube root of 668968960 is 874.5849285769
Scales and comparisons
How big is 668968960?- 668,968,960 seconds is equal to 21 years, 14 weeks, 16 hours, 42 minutes, 40 seconds.
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To count from 1 to 668,968,960 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 668968960 cubic inches would be around 72.9 feet tall.
Recreational maths with 668968960
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