31397728304
31,397,728,304 is an even composite number composed of five prime numbers multiplied together.
31397728304 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 31397728304:
24 × 19 × 43 × 53 × 45319
(2 × 2 × 2 × 2 × 19 × 43 × 53 × 45319)See below for interesting mathematical facts about the number 31397728304 from the Numbermatics database.
Names of 31397728304
- Cardinal: 31397728304 can be written as Thirty-one billion, three hundred ninety-seven million, seven hundred twenty-eight thousand, three hundred four.
Scientific notation
- Scientific notation: 3.1397728304 × 1010
Factors of 31397728304
Divisors of 31397728304
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 8 16 19 38 43 53 76 86 106 152 172 212 304 344 424 688 817 848 1007 1634 2014 2279 3268 4028 4558 6536 8056 9116 13072 16112 18232 36464 43301 45319 86602 90638 173204 181276 346408 362552 692816 725104 861061 1722122 1948717 2401907 3444244 3897434 4803814 6888488 7794868 9607628 13776976 15589736 19215256 31179472 37025623 38430512 45636233 74051246 91272466 103282001 148102492 182544932 206564002 296204984 365089864 413128004 592409968 730179728 826256008 1652512016 1962358019 3924716038 7849432076 15698864152 31397728304
- Sum of all divisors σ(n): 66761798400
- Sum of proper divisors (its aliquot sum) s(n): 35364070096
- 31397728304 is an abundant number, because the sum of its proper divisors (35364070096) is greater than itself. Its abundance is 3966341792
Bases of 31397728304
- Binary: 111010011110111001101010000001100002
- Hexadecimal: 0x74F735030
- Base-36: EF9EA7K
Squares and roots of 31397728304
- 31397728304 squared (313977283042) is 985817342651802716416
- 31397728304 cubed (313977283043) is 30952425081952572565838728638464
-
The
square root of 31397728304 is 177194.0413896585 -
The
cube root of 31397728304 is 3154.7581841031
Scales and comparisons
How big is 31397728304?- 31,397,728,304 seconds is equal to 998 years, 18 weeks, 1 day, 15 hours, 11 minutes, 44 seconds.
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To count from 1 to 31,397,728,304 would take you about one thousand, nine hundred ninety-six 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 31397728304 cubic inches would be around 262.9 feet tall.
Recreational maths with 31397728304
- 31397728304 backwards is 40382779313
- The number of decimal digits it has is: 11
- The sum of 31397728304's digits is 47
- More coming soon!
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