21334429872

Names of 21334429872

• Cardinal: 21334429872 can be written as Twenty-one billion, three hundred thirty-four million, four hundred twenty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.1334429872 × 10¹⁰

Factors of 21334429872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 243

Divisors of 21334429872

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 61 63 72 73 84 97 98 112 122 126 144 146 147 168 183 194 196 219 244 252 291 292 294 336 343 366 388 392 427 438 441 488 504 511 549 582 584 588 657 679 686 732 776 784 854 873 876 882 976 1008 1022 1029 1098 1164 1168 1176 1281 1314 1358 1372 1464 1533 1552 1708 1746 1752 1764 2037 2044 2058 2196 2328 2352 2562 2628 2716 2744 2928 2989 3066 3087 3416 3492 3504 3528 3577 3843 4074 4088 4116 4392 4453 4599 4656 4753 5124 5256 5432 5488 5917 5978 6111 6132 6174 6832 6984 7056 7081 7154 7686 8148 8176 8232 8784 8906 8967 9198 9506 10248 10512 10731 10864 11834 11956 12222 12264 12348 13359 13968 14162 14259 14308 15372 16296 16464 17751 17812 17934 18396 19012 20496 20923 21243 21462 23668 23912 24444 24528 24696 25039 26718 26901 28324 28518 28616 30744 31171 32193 32592 33271 35502 35624 35868 36792 38024 40077 41419 41846 42486 42777 42924 47336 47824 48888 49392 49567 50078 53253 53436 53802 56648 57036 57232 61488 62342 62769 63729 64386 66542 71004 71248 71736 73584 75117 76048 80154 82838 83692 84972 85554 85848 93513 94672 97776 99134 99813 100156 106506 106872 107604 113296 114072 124257 124684 125538 127458 128772 133084 142008 143472 148701 150234 160308 165676 167384 169944 171108 171696 187026 188307 198268 199626 200312 213012 213744 215208 218197 225351 228144 248514 249368 251076 254916 257544 266168 280539 284016 289933 297402 299439 300468 320616 331352 334768 339888 342216 346969 372771 374052 376614 396536 399252 400624 426024 430416 431941 436394 446103 450702 497028 498736 502152 509832 515088 532336 561078 579866 594804 598878 600936 641232 654591 662704 684432 693938 745542 748104 753228 793072 798504 852048 863882 869799 872788 892206 901404 994056 1004304 1019664 1040907 1122156 1159732 1189608 1197756 1201872 1295823 1309182 1387876 1491084 1496208 1506456 1527379 1597008 1727764 1739598 1745576 1784412 1802808 1963773 1988112 2029531 2081814 2244312 2319464 2379216 2395512 2428783 2591646 2609397 2618364 2775752 2982168 3012912 3023587 3054758 3122721 3455528 3479196 3491152 3568824 3605616 3887469 3927546 4059062 4163628 4488624 4582137 4638928 4791024 4857566 5183292 5218794 5236728 5551504 5964336 6047174 6088593 6109516 6245442 6911056 6958392 7137648 7286349 7774938 7855092 8118124 8327256 9070761 9164274 9715132 10366584 10437588 10473456 12094348 12177186 12219032 12490884 13746411 13916784 14572698 15549876 15710184 16236248 16654512 18141522 18265779 18328548 19430264 20733168 20875176 21165109 21859047 24188696 24354372 24438064 24981768 27212283 27492822 29145396 31099752 31420368 32472496 36283044 36531558 36657096 38860528 41750352 42330218 43718094 48377392 48708744 49963536 54424566 54985644 58290792 62199504 63495327 72566088 73063116 73314192 84660436 87436188 97417488 108849132 109971288 116581584 126990654 145132176 146126232 148155763 169320872 174872376 190485981 217698264 219942576 253981308 292252464 296311526 338641744 349744752 380971962 435396528 444467289 507962616 592623052 761943924 888934578 1015925232 1185246104 1333401867 1523887848 1777869156 2370492208 2666803734 3047775696 3555738312 5333607468 7111476624 10667214936 21334429872
• Sum of all divisors σ(n): 72479388800
• Sum of proper divisors (its aliquot sum) s(n): 51144958928
• 21334429872 is an abundant number, because the sum of its proper divisors (51144958928) is greater than itself. Its abundance is 29810529056

Bases of 21334429872

• Binary: 10011110111101000011001000010110000₂
• Hexadecimal: 0x4F7A190B0
• Base-36: 9STYVG0

Squares and roots of 21334429872

• 21334429872 squared (21334429872²) is 455157897963285936384
• 21334429872 cubed (21334429872³) is 9710534254784655440468301262848
• The square root of 21334429872 is 146063.1023633279
• The cube root of 21334429872 is 2773.4926151789

Scales and comparisons

• 21,334,429,872 seconds is equal to 678 years, 19 weeks, 1 day, 6 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,334,429,872 would take you about one thousand, three hundred fifty-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 21334429872 cubic inches would be around 231.1 feet tall.

Recreational maths with 21334429872

• 21334429872 backwards is 27892443312
• The number of decimal digits it has is: 11
• The sum of 21334429872's digits is 45
• More coming soon!