21425218542
21,425,218,542 is an even composite number composed of seven prime numbers multiplied together.
21425218542 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21425218542:
2 × 32 × 73 × 13 × 31 × 79 × 109
(2 × 3 × 3 × 7 × 7 × 7 × 13 × 31 × 79 × 109)See below for interesting mathematical facts about the number 21425218542 from the Numbermatics database.
Names of 21425218542
- Cardinal: 21425218542 can be written as Twenty-one billion, four hundred twenty-five million, two hundred eighteen thousand, five hundred forty-two.
Scientific notation
- Scientific notation: 2.1425218542 × 1010
Factors of 21425218542
Divisors of 21425218542
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 6 7 9 13 14 18 21 26 31 39 42 49 62 63 78 79 91 93 98 109 117 126 147 158 182 186 217 218 234 237 273 279 294 327 343 403 434 441 474 546 553 558 637 651 654 686 711 763 806 819 882 981 1027 1029 1106 1209 1274 1302 1417 1422 1519 1526 1638 1659 1911 1953 1962 2054 2058 2289 2418 2449 2821 2834 3038 3081 3087 3318 3379 3627 3822 3871 3906 4251 4459 4557 4578 4898 4977 5341 5642 5733 6162 6174 6758 6867 7189 7254 7347 7742 8463 8502 8611 8918 9114 9243 9919 9954 10137 10633 10682 11466 11613 12753 13377 13671 13734 14378 14694 16023 16926 17143 17222 18486 19747 19838 20274 21266 21567 22041 23226 23653 25389 25506 25833 26754 27097 27342 29757 30411 31837 31899 32046 34286 34839 37387 39494 40131 43134 43927 44082 47306 48069 50323 50778 51429 51666 54194 59241 59514 60277 60822 63674 63798 64701 69433 69678 70959 74774 77499 80262 81291 87854 89271 95511 95697 96138 100646 102858 111943 112161 118482 120001 120554 129402 131781 138229 138866 141918 150969 154287 154998 162582 165571 177723 178542 180831 191022 191394 208299 212877 222859 223886 224322 240002 243873 263562 266941 276458 286533 301938 307489 308574 331142 335829 336483 352261 355446 360003 361662 395343 414687 416598 421939 425754 445718 452907 486031 487746 496713 533882 542493 573066 614978 624897 668577 671658 672966 704522 720006 783601 790686 800823 829374 840007 843878 905814 922467 972062 993426 1007487 1056783 1080009 1084986 1158997 1244061 1249794 1265817 1337154 1458093 1490139 1560013 1567202 1601646 1680014 1844934 1868587 2005731 2014974 2113566 2152423 2160018 2317994 2350803 2402469 2488122 2520021 2531634 2767401 2916186 2953573 2980278 3120026 3170349 3470233 3476991 3737174 3797451 4011462 4304846 4374279 4680039 4701606 4804938 5040042 5485207 5534802 5605761 5907146 6340698 6457269 6940466 6953982 7052409 7560063 7594902 8748558 8860719 9360078 10410699 10430973 10920091 10970414 11211522 12914538 13080109 14040117 14104818 15066961 15120126 16455621 16817283 17721438 19371807 20821398 20861946 21840182 24291631 26160218 26582157 28080234 30133922 31232097 32760273 32911242 33634566 38396449 38743614 39240327 45200883 48583262 49366863 53164314 62464194 65520546 72874893 76792898 78480654 90401766 91560763 98280819 98733726 115189347 117720981 135602649 145749786 170041417 183121526 196561638 218624679 230378694 235441962 271205298 274682289 340082834 345568041 437249358 510124251 549364578 691136082 824046867 1020248502 1190289919 1530372753 1648093734 2380579838 3060745506 3570869757 7141739514 10712609271 21425218542
- Sum of all divisors σ(n): 61501440000
- Sum of proper divisors (its aliquot sum) s(n): 40076221458
- 21425218542 is an abundant number, because the sum of its proper divisors (40076221458) is greater than itself. Its abundance is 18651002916
Bases of 21425218542
- Binary: 100111111010000101011100011111011102
- Hexadecimal: 0x4FD0AE3EE
- Base-36: 9UC0SFI
Squares and roots of 21425218542
- 21425218542 squared (214252185422) is 459039989572460605764
- 21425218542 cubed (214252185423) is 9835032096107369623179404876088
-
The
square root of 21425218542 is 146373.5582063919 -
The
cube root of 21425218542 is 2777.4212471071
Scales and comparisons
How big is 21425218542?- 21,425,218,542 seconds is equal to 681 years, 13 weeks, 2 days, 1 hour, 35 minutes, 42 seconds.
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To count from 1 to 21,425,218,542 would take you about one thousand, three hundred sixty-two 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 21425218542 cubic inches would be around 231.5 feet tall.
Recreational maths with 21425218542
- 21425218542 backwards is 24581252412
- The number of decimal digits it has is: 11
- The sum of 21425218542's digits is 36
- More coming soon!
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The information we have on file for 21425218542 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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