21457536243984

Names of 21457536243984

• Cardinal: 21457536243984 can be written as Twenty-one trillion, four hundred fifty-seven billion, five hundred thirty-six million, two hundred forty-three thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1457536243984 × 10¹³

Factors of 21457536243984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 51

Divisors of 21457536243984

• Number of divisors d(n): 675
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 29 34 36 48 51 54 58 68 72 81 87 102 108 116 136 144 153 162 174 204 216 232 243 261 272 289 306 324 348 408 432 459 464 486 493 522 578 612 648 696 729 783 816 841 867 918 972 986 1044 1156 1224 1296 1377 1392 1458 1479 1566 1682 1734 1836 1944 1972 2088 2187 2312 2349 2448 2523 2601 2754 2916 2958 3132 3364 3468 3672 3888 3944 4131 4176 4374 4437 4624 4698 5046 5202 5508 5832 5916 6264 6561 6728 6936 7047 7344 7569 7803 7888 8262 8381 8748 8874 9396 10092 10404 11016 11664 11832 12393 12528 13122 13311 13456 13872 14094 14297 15138 15606 16524 16762 17496 17748 18792 20184 20808 21141 22032 22707 23409 23664 24389 24786 25143 26244 26622 28188 28594 30276 31212 33048 33524 34992 35496 37179 37584 39933 40368 41616 42282 42891 45414 46818 48778 49572 50286 52488 53244 56376 57188 60552 62424 63423 66096 67048 68121 70227 70992 73167 74358 75429 79866 84564 85782 90828 93636 97556 99144 100572 104976 106488 111537 112752 114376 119799 121104 124848 126846 128673 134096 136242 140454 146334 148716 150858 159732 169128 171564 181656 187272 190269 195112 198288 201144 204363 210681 212976 219501 223074 226287 228752 239598 243049 253692 257346 272484 280908 292668 297432 301716 319464 338256 343128 359397 363312 374544 380538 386019 390224 402288 408726 414613 421362 439002 446148 452574 479196 486098 507384 514692 544968 561816 585336 594864 603432 613089 632043 638928 658503 678861 686256 707281 718794 729147 761076 772038 817452 829226 842724 878004 892296 905148 958392 972196 1014768 1029384 1078191 1089936 1123632 1158057 1170672 1206864 1226178 1243839 1264086 1317006 1357722 1414562 1437588 1458294 1522152 1544076 1634904 1658452 1685448 1756008 1784592 1810296 1839267 1896129 1916784 1944392 1975509 2036583 2058768 2121843 2156382 2187441 2316114 2452356 2487678 2528172 2634012 2715444 2829124 2875176 2916588 3044304 3088152 3234573 3269808 3316904 3370896 3474171 3512016 3620592 3678534 3731517 3792258 3888784 3951018 4073166 4243686 4312764 4374882 4632228 4904712 4975356 5056344 5268024 5430888 5517801 5658248 5750352 5833176 5926527 6109749 6176304 6365529 6469146 6562323 6633808 6948342 7048421 7357068 7463034 7584516 7902036 8146332 8487372 8625528 8749764 9264456 9809424 9950712 10112688 10422513 10536048 10861776 11035602 11194551 11316496 11666352 11853054 12023777 12219498 12731058 12938292 13124646 13896684 14096842 14714136 14926068 15169032 15804072 16292664 16974744 17251056 17499528 17779581 18329247 18528912 19096587 19686969 19901424 20845026 21145263 22071204 22389102 23706108 24047554 24438996 25462116 25876584 26249292 27793368 28193684 29428272 29852136 30338064 31267539 31608144 32585328 33583653 33949488 34999056 35559162 36071331 36658494 38193174 39373938 41690052 42290526 44142408 44778204 47412216 48095108 48877992 50924232 51753168 52498584 53338743 54987741 55586736 56387368 57289761 59060907 59704272 62535078 63435789 67167306 71118324 72142662 73316988 76386348 78747876 83380104 84581052 88284816 89556408 93802617 94824432 96190216 97755984 100750959 101848464 104997168 106677486 108213993 109975482 112774736 114579522 118121814 125070156 126871578 134334612 142236648 144285324 146633976 152772696 157495752 160016229 166760208 169162104 171869283 177182721 179112816 187605234 190307367 192380432 201501918 204404209 213354972 216427986 219950964 229159044 236243628 250140312 253743156 268669224 284473296 288570648 293267952 302252877 305545392 314991504 320032458 324641979 338324208 343738566 354365442 375210468 380614734 403003836 408808418 426709944 432855972 439901928 458318088 472487256 500280624 507486312 515607849 531548163 537338448 570922101 577141296 604505754 613212627 640064916 649283958 687477132 708730884 750420936 761229468 806007672 817616836 853419888 865711944 879803856 906758631 916636176 944974512 973925937 1014972624 1031215698 1063096326 1141844202 1209011508 1226425254 1280129832 1298567916 1374954264 1417461768 1500841872 1522458936 1546823547 1594644489 1612015344 1635233672 1712766303 1731423888 1813517262 1839637881 1947851874 2062431396 2126192652 2283688404 2418023016 2452850508 2560259664 2597135832 2720275893 2749908528 2834923536 2921777811 3044917872 3093647094 3189288978 3270467344 3425532606 3627034524 3679275762 3895703748 4124862792 4252385304 4567376808 4640470641 4836046032 4905701016 5138298909 5194271664 5440551786 5518913643 5843555622 6187294188 6378577956 6851065212 7254069048 7358551524 7791407496 8249725584 8504770608 8765333433 9134753616 9280941282 9811402032 10276597818 10881103572 11037827286 11687111244 12374588376 12757155912 13702130424 14508138096 14717103048 15414896727 15582814992 16556740929 17530666866 18561882564 20553195636 21762207144 22075654572 23374222488 24749176752 25514311824 26296000299 27404260848 29434206096 30829793454 33113481858 35061333732 37123765128 41106391272 43524414288 44151309144 46244690181 46748444976 49670222787 52592000598 61659586908 66226963716 70122667464 74247530256 78888000897 82212782544 88302618288 92489380362 99340445574 105184001196 123319173816 132453927432 140245334928 149010668361 157776001794 184978760724 198680891148 210368002392 246638347632 264907854864 298021336722 315552003588 369957521448 397361782296 420736004784 447032005083 596042673444 631104007176 739915042896 794723564592 894064010166 1192085346888 1262208014352 1341096015249 1788128020332 2384170693776 2682192030498 3576256040664 5364384060996 7152512081328 10728768121992 21457536243984
• Sum of all divisors σ(n): 68607443731177
• Sum of proper divisors (its aliquot sum) s(n): 47149907487193
• 21457536243984 is an abundant number, because the sum of its proper divisors (47149907487193) is greater than itself. Its abundance is 25692371243209

Bases of 21457536243984

• Binary: 100111000001111111000110100110101100100010000₂
• Hexadecimal: 0x1383F8D35910
• Base-36: 7LTGF2900

Squares and roots of 21457536243984

• 21457536243984 squared (21457536243984²) is 460425861661886986376192256
• 21457536243984 cubed (21457536243984³) is 9879604614277503269812489360050107387904
• 21457536243984 is a perfect square number. Its square root is 4632228
• The cube root of 21457536243984 is 27788.1702872815

Scales and comparisons

• 21,457,536,243,984 seconds is equal to 682,283 years, 14 weeks, 3 days, 22 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,457,536,243,984 would take you about one million, seven hundred five thousand, seven hundred 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 21457536243984 cubic inches would be around 2315.7 feet tall.

Recreational maths with 21457536243984

• 21457536243984 backwards is 48934263575412
• The number of decimal digits it has is: 14
• The sum of 21457536243984's digits is 63
• More coming soon!