21357687312
21,357,687,312 is an even composite number composed of four prime numbers multiplied together.
21357687312 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred fifty divisors.
Prime factorization of 21357687312:
24 × 34 × 134 × 577
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 13 × 13 × 13 × 13 × 577)See below for interesting mathematical facts about the number 21357687312 from the Numbermatics database.
Names of 21357687312
- Cardinal: 21357687312 can be written as Twenty-one billion, three hundred fifty-seven million, six hundred eighty-seven thousand, three hundred twelve.
Scientific notation
- Scientific notation: 2.1357687312 × 1010
Factors of 21357687312
Divisors of 21357687312
- Number of divisors d(n): 250
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 81 104 108 117 144 156 162 169 208 216 234 312 324 338 351 432 468 507 577 624 648 676 702 936 1014 1053 1154 1296 1352 1404 1521 1731 1872 2028 2106 2197 2308 2704 2808 3042 3462 4056 4212 4394 4563 4616 5193 5616 6084 6591 6924 7501 8112 8424 8788 9126 9232 10386 12168 13182 13689 13848 15002 15579 16848 17576 18252 19773 20772 22503 24336 26364 27378 27696 28561 30004 31158 35152 36504 39546 41544 45006 46737 52728 54756 57122 59319 60008 62316 67509 73008 79092 83088 85683 90012 93474 97513 105456 109512 114244 118638 120016 124632 135018 158184 171366 177957 180024 186948 195026 202527 219024 228488 237276 249264 257049 270036 292539 316368 342732 355914 360048 373896 390052 405054 456976 474552 514098 540072 585078 607581 685464 711828 747792 771147 780104 810108 877617 949104 1028196 1080144 1170156 1215162 1267669 1370928 1423656 1542294 1560208 1620216 1755234 2056392 2313441 2340312 2430324 2535338 2632851 2847312 3084588 3240432 3510468 3803007 4112784 4626882 4680624 4860648 5070676 5265702 6169176 7020936 7606014 7898553 9253764 9721296 10141352 10531404 11409021 12338352 14041872 15212028 15797106 16479697 18507528 20282704 21062808 22818042 30424056 31594212 32959394 34227063 37015056 42125616 45636084 49439091 60848112 63188424 65918788 68454126 91272168 98878182 102681189 126376848 131837576 136908252 148317273 182544336 197756364 205362378 263675152 273816504 296634546 395512728 410724756 444951819 547633008 593269092 791025456 821449512 889903638 1186538184 1334855457 1642899024 1779807276 2373076368 2669710914 3559614552 5339421828 7119229104 10678843656 21357687312
- Sum of all divisors σ(n): 67082501398
- Sum of proper divisors (its aliquot sum) s(n): 45724814086
- 21357687312 is an abundant number, because the sum of its proper divisors (45724814086) is greater than itself. Its abundance is 24367126774
Bases of 21357687312
- Binary: 100111110010000010001110010000100002
- Hexadecimal: 0x4F9047210
- Base-36: 9T7TD00
Squares and roots of 21357687312
- 21357687312 squared (213576873122) is 456150807317165785344
- 21357687312 cubed (213576873123) is 9742326309796388453442064355328
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The
square root of 21357687312 is 146142.6950346817 -
The
cube root of 21357687312 is 2774.5000776569
Scales and comparisons
How big is 21357687312?- 21,357,687,312 seconds is equal to 679 years, 5 weeks, 4 days, 10 hours, 55 minutes, 12 seconds.
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To count from 1 to 21,357,687,312 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 21357687312 cubic inches would be around 231.2 feet tall.
Recreational maths with 21357687312
- 21357687312 backwards is 21378675312
- The number of decimal digits it has is: 11
- The sum of 21357687312's digits is 45
- More coming soon!
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