668312832
668,312,832 is an even composite number composed of five prime numbers multiplied together.
668312832 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 668312832:
28 × 3 × 11 × 239 × 331
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 239 × 331)See below for interesting mathematical facts about the number 668312832 from the Numbermatics database.
Names of 668312832
- Cardinal: 668312832 can be written as Six hundred sixty-eight million, three hundred twelve thousand, eight hundred thirty-two.
Scientific notation
- Scientific notation: 6.68312832 × 108
Factors of 668312832
Divisors of 668312832
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 239 256 264 331 352 384 478 528 662 704 717 768 956 993 1056 1324 1408 1434 1912 1986 2112 2629 2648 2816 2868 3641 3824 3972 4224 5258 5296 5736 7282 7648 7887 7944 8448 10516 10592 10923 11472 14564 15296 15774 15888 21032 21184 21846 22944 29128 30592 31548 31776 42064 42368 43692 45888 58256 61184 63096 63552 79109 84128 84736 87384 91776 116512 126192 127104 158218 168256 174768 183552 233024 237327 252384 254208 316436 336512 349536 466048 474654 504768 632872 673024 699072 870199 932096 949308 1009536 1265744 1398144 1740398 1898616 2019072 2531488 2610597 2796288 3480796 3797232 5062976 5221194 6961592 7594464 10125952 10442388 13923184 15188928 20251904 20884776 27846368 30377856 41769552 55692736 60755712 83539104 111385472 167078208 222770944 334156416 668312832
- Sum of all divisors σ(n): 1954391040
- Sum of proper divisors (its aliquot sum) s(n): 1286078208
- 668312832 is an abundant number, because the sum of its proper divisors (1286078208) is greater than itself. Its abundance is 617765376
Bases of 668312832
- Binary: 1001111101010110100101000000002
- Hexadecimal: 0x27D5A500
- Base-36: B1W9HC
Squares and roots of 668312832
- 668312832 squared (6683128322) is 446642041415860224
- 668312832 cubed (6683128323) is 298496607588894836017594368
-
The
square root of 668312832 is 25851.7471749977 -
The
cube root of 668312832 is 874.2989026651
Scales and comparisons
How big is 668312832?- 668,312,832 seconds is equal to 21 years, 13 weeks, 2 hours, 27 minutes, 12 seconds.
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To count from 1 to 668,312,832 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 668312832 cubic inches would be around 72.9 feet tall.
Recreational maths with 668312832
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