21491448108
21,491,448,108 is an even composite number composed of six prime numbers multiplied together.
21491448108 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 21491448108:
22 × 3 × 132 × 103 × 137 × 751
(2 × 2 × 3 × 13 × 13 × 103 × 137 × 751)See below for interesting mathematical facts about the number 21491448108 from the Numbermatics database.
Names of 21491448108
- Cardinal: 21491448108 can be written as Twenty-one billion, four hundred ninety-one million, four hundred forty-eight thousand, one hundred eight.
Scientific notation
- Scientific notation: 2.1491448108 × 1010
Factors of 21491448108
Divisors of 21491448108
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 12 13 26 39 52 78 103 137 156 169 206 274 309 338 411 412 507 548 618 676 751 822 1014 1236 1339 1502 1644 1781 2028 2253 2678 3004 3562 4017 4506 5343 5356 7124 8034 9012 9763 10686 14111 16068 17407 19526 21372 23153 28222 29289 34814 39052 42333 46306 52221 56444 58578 69459 69628 77353 84666 92612 102887 104442 117156 126919 138918 154706 169332 183443 205774 208884 232059 253838 277836 308661 309412 366886 380757 411548 464118 507676 550329 617322 733772 761514 928236 1005589 1100658 1234644 1337531 1523028 2011178 2201316 2384759 2675062 3016767 4012593 4022356 4769518 5350124 6033534 7154277 8025186 9539036 10597361 12067068 13072657 14308554 16050372 17387903 21194722 26145314 28617108 31792083 34775806 39217971 42389444 52163709 52290628 63584166 69551612 78435942 104327418 127168332 137765693 156871884 208654836 275531386 413297079 551062772 826594158 1653188316 1790954009 3581908018 5372862027 7163816036 10745724054 21491448108
- Sum of all divisors σ(n): 55301815296
- Sum of proper divisors (its aliquot sum) s(n): 33810367188
- 21491448108 is an abundant number, because the sum of its proper divisors (33810367188) is greater than itself. Its abundance is 12318919080
Bases of 21491448108
- Binary: 101000000001111110101111001001011002
- Hexadecimal: 0x500FD792C
- Base-36: 9VFGBHO
Squares and roots of 21491448108
- 21491448108 squared (214914481082) is 461882341778856779664
- 21491448108 cubed (214914481083) is 9926520380341820891712845675712
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The
square root of 21491448108 is 146599.6183760381 -
The
cube root of 21491448108 is 2780.2801551593
Scales and comparisons
How big is 21491448108?- 21,491,448,108 seconds is equal to 683 years, 18 weeks, 5 days, 14 hours, 41 minutes, 48 seconds.
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To count from 1 to 21,491,448,108 would take you about one thousand, three hundred sixty-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 21491448108 cubic inches would be around 231.7 feet tall.
Recreational maths with 21491448108
- 21491448108 backwards is 80184419412
- The number of decimal digits it has is: 11
- The sum of 21491448108's digits is 42
- More coming soon!
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The information we have on file for 21491448108 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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