21307386720
21,307,386,720 is an even composite number composed of five prime numbers multiplied together.
21307386720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21307386720:
25 × 3 × 5 × 179 × 247991
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 179 × 247991)See below for interesting mathematical facts about the number 21307386720 from the Numbermatics database.
Names of 21307386720
- Cardinal: 21307386720 can be written as Twenty-one billion, three hundred seven million, three hundred eighty-six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.130738672 × 1010
Factors of 21307386720
Divisors of 21307386720
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 179 240 358 480 537 716 895 1074 1432 1790 2148 2685 2864 3580 4296 5370 5728 7160 8592 10740 14320 17184 21480 28640 42960 85920 247991 495982 743973 991964 1239955 1487946 1983928 2479910 2975892 3719865 3967856 4959820 5951784 7439730 7935712 9919640 11903568 14879460 19839280 23807136 29758920 39678560 44390389 59517840 88780778 119035680 133171167 177561556 221951945 266342334 355123112 443903890 532684668 665855835 710246224 887807780 1065369336 1331711670 1420492448 1775615560 2130738672 2663423340 3551231120 4261477344 5326846680 7102462240 10653693360 21307386720
- Sum of all divisors σ(n): 67493502720
- Sum of proper divisors (its aliquot sum) s(n): 46186116000
- 21307386720 is an abundant number, because the sum of its proper divisors (46186116000) is greater than itself. Its abundance is 24878729280
Bases of 21307386720
- Binary: 100111101100000010011101011011000002
- Hexadecimal: 0x4F604EB60
- Base-36: 9SDV8TC
Squares and roots of 21307386720
- 21307386720 squared (213073867202) is 454004728835632358400
- 21307386720 cubed (213073867203) is 9673654330009553976174440448000
-
The
square root of 21307386720 is 145970.4994853413 -
The
cube root of 21307386720 is 2772.3202426899
Scales and comparisons
How big is 21307386720?- 21,307,386,720 seconds is equal to 677 years, 26 weeks, 3 days, 6 hours, 32 minutes.
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To count from 1 to 21,307,386,720 would take you about one thousand, three hundred fifty-five 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 21307386720 cubic inches would be around 231 feet tall.
Recreational maths with 21307386720
- 21307386720 backwards is 02768370312
- The number of decimal digits it has is: 11
- The sum of 21307386720's digits is 39
- More coming soon!
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The information we have on file for 21307386720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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