21357283220
21,357,283,220 is an even composite number composed of six prime numbers multiplied together.
21357283220 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21357283220:
22 × 5 × 7 × 13 × 312 × 12211
(2 × 2 × 5 × 7 × 13 × 31 × 31 × 12211)See below for interesting mathematical facts about the number 21357283220 from the Numbermatics database.
Names of 21357283220
- Cardinal: 21357283220 can be written as Twenty-one billion, three hundred fifty-seven million, two hundred eighty-three thousand, two hundred twenty.
Scientific notation
- Scientific notation: 2.135728322 × 1010
Factors of 21357283220
Divisors of 21357283220
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 13 14 20 26 28 31 35 52 62 65 70 91 124 130 140 155 182 217 260 310 364 403 434 455 620 806 868 910 961 1085 1612 1820 1922 2015 2170 2821 3844 4030 4340 4805 5642 6727 8060 9610 11284 12211 12493 13454 14105 19220 24422 24986 26908 28210 33635 48844 49972 56420 61055 62465 67270 85477 87451 122110 124930 134540 158743 170954 174902 244220 249860 317486 341908 349804 378541 427385 437255 634972 757082 793715 854770 874510 1111201 1514164 1587430 1709540 1749020 1892705 2222402 2649787 3174860 3785410 4444804 4921033 5299574 5556005 7570820 9842066 10599148 11112010 11734771 13248935 19684132 22224020 23469542 24605165 26497870 34447231 46939084 49210330 52995740 58673855 68894462 82143397 98420660 117347710 137788924 152552023 164286794 172236155 234695420 305104046 328573588 344472310 410716985 610208092 688944620 762760115 821433970 1067864161 1525520230 1642867940 2135728322 3051040460 4271456644 5339320805 10678641610 21357283220
- Sum of all divisors σ(n): 57043131264
- Sum of proper divisors (its aliquot sum) s(n): 35685848044
- 21357283220 is an abundant number, because the sum of its proper divisors (35685848044) is greater than itself. Its abundance is 14328564824
Bases of 21357283220
- Binary: 100111110001111111001000111100101002
- Hexadecimal: 0x4F8FE4794
- Base-36: 9T7KP78
Squares and roots of 21357283220
- 21357283220 squared (213572832202) is 456133546539293568400
- 21357283220 cubed (213572832203) is 9741773339582743599043242248000
-
The
square root of 21357283220 is 146141.3125026595 -
The
cube root of 21357283220 is 2774.4825795021
Scales and comparisons
How big is 21357283220?- 21,357,283,220 seconds is equal to 679 years, 4 weeks, 6 days, 18 hours, 40 minutes, 20 seconds.
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To count from 1 to 21,357,283,220 would take you about one thousand, three hundred fifty-eight 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 21357283220 cubic inches would be around 231.2 feet tall.
Recreational maths with 21357283220
- 21357283220 backwards is 02238275312
- 21357283220 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21357283220's digits is 35
- More coming soon!
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The information we have on file for 21357283220 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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