21907727643531264

Names of 21907727643531264

• Cardinal: 21907727643531264 can be written as Twenty-one quadrillion, nine hundred seven trillion, seven hundred twenty-seven billion, six hundred forty-three million, five hundred thirty-one thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 2.1907727643531264 × 10¹⁶

Factors of 21907727643531264

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 700

Divisors of 21907727643531264

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 256 272 277 289 384 401 408 512 544 554 578 768 802 816 831 867 1024 1088 1108 1156 1203 1536 1604 1632 1662 1734 2048 2176 2216 2312 2406 3072 3208 3264 3324 3468 4352 4432 4624 4709 4812 6144 6416 6528 6648 6817 6936 8704 8864 9248 9418 9624 12832 13056 13296 13634 13872 14127 17408 17728 18496 18836 19248 20451 25664 26112 26592 27268 27744 28254 34816 35456 36992 37672 38496 40902 51328 52224 53184 54536 55488 56508 70912 73984 75344 76729 76992 80053 81804 102656 104448 106368 109072 110976 111077 113016 115889 141824 147968 150688 153458 153984 160106 160801 163608 205312 212736 218144 221952 222154 226032 230187 231778 240159 283648 295936 301376 306916 307968 320212 321602 327216 333231 347667 410624 425472 436288 443904 444308 452064 460374 463556 480318 482403 567296 591872 602752 613832 615936 640424 643204 654432 666462 695334 821248 850944 872576 887808 888616 904128 920748 927112 960636 964806 1205504 1227664 1231872 1280848 1286408 1304393 1308864 1332924 1390668 1701888 1745152 1775616 1777232 1808256 1841496 1854224 1888309 1921272 1929612 2411008 2455328 2463744 2561696 2572816 2608786 2617728 2665848 2733617 2781336 3490304 3554464 3616512 3682992 3708448 3776618 3842544 3859224 3913179 4822016 4910656 5123392 5145632 5217572 5235456 5331696 5467234 5562672 5664927 6980608 7108928 7233024 7365984 7416896 7553236 7685088 7718448 7826358 8200851 9644032 9821312 10246784 10291264 10435144 10470912 10663392 10934468 11125344 11329854 13961216 14217856 14466048 14731968 14833792 15106472 15370176 15436896 15652716 16401702 19642624 20493568 20582528 20870288 20941824 21326784 21868936 22174681 22250688 22659708 28435712 28932096 29463936 29667584 30212944 30740352 30768329 30873792 31305432 32101253 32803404 39285248 40987136 41165056 41740576 41883648 42653568 43737872 44349362 44501376 44541877 45319416 46471489 56871424 58927872 59335168 60425888 61480704 61536658 61747584 62610864 64202506 65606808 66524043 78570496 81974272 82330112 83481152 85307136 87475744 88698724 89002752 89083754 90638832 92304987 92942978 96303759 113742848 117855744 118670336 120851776 122961408 123073316 123495168 125221728 128405012 131213616 133048086 133625631 139414467 157140992 163948544 164660224 166962304 170614272 174951488 177397448 178005504 178167508 181277664 184609974 185885956 192607518 227485696 235711488 237340672 241703552 245922816 246146632 246990336 250443456 256810024 262427232 266096172 267251262 278828934 329320448 333924608 341228544 349902976 354794896 356011008 356335016 362555328 369219948 371771912 385215036 471422976 483407104 491845632 492293264 493980672 500886912 513620048 523061593 524854464 532192344 534502524 557657868 667849216 682457088 699805952 709589792 712022016 712670032 725110656 738439896 743543824 757211909 770430072 966814208 984586528 987961344 1001773824 1027240096 1046123186 1049708928 1064384688 1069005048 1115315736 1335698432 1399611904 1419179584 1425340064 1450221312 1476879792 1487087648 1514423818 1540860144 1569184779 1933628416 1969173056 2003547648 2054480192 2092246372 2099417856 2128769376 2138010096 2230631472 2271635727 2671396864 2799223808 2838359168 2850680128 2900442624 2953759584 2974175296 3028847636 3081720288 3138369558 3867256832 3938346112 4007095296 4108960384 4184492744 4198835712 4257538752 4276020192 4461262944 4543271454 5598447616 5676718336 5701360256 5800885248 5907519168 5948350592 6057695272 6163440576 6276739116 7876692224 8014190592 8217920768 8368985488 8397671424 8515077504 8552040384 8892047081 8922525888 9086542908 11353436672 11402720512 11601770496 11815038336 11896701184 12115390544 12326881152 12338099929 12553478232 12872602453 15753384448 16435841536 16737970976 16795342848 17030155008 17104080768 17784094162 17845051776 18173085816 22706873344 22805441024 23630076672 23793402368 24230781088 24653762304 24676199858 25106956464 25745204906 26676141243 31506768896 32871683072 33475941952 34060310016 34208161536 35568188324 35690103552 36346171632 37014299787 38617807359 45413746688 45610882048 47260153344 47586804736 48461562176 49307524608 49352399716 50213912928 51490409812 53352282486 63013537792 65743366144 66951883904 68120620032 68416323072 71136376648 71380207104 72692343264 74028599574 77235614718 91221764096 94520306688 95173609472 96923124352 98615049216 98704799432 100427825856 102980819624 106704564972 133903767808 136241240064 136832646144 142272753296 142760414208 145384686528 148057199148 154471229436 189040613376 193846248704 197230098432 197409598864 200855651712 205961639248 209747698793 213409129944 267807535616 273665292288 284545506592 285520828416 290769373056 296114398296 308942458872 387692497408 394819197728 401711303424 411923278496 419495397586 426818259888 535615071232 569091013184 581538746112 592228796592 617884917744 629243096379 775384994816 789638395456 803422606848 823846556992 838990795172 853636519776 1071230142464 1138182026368 1163077492224 1184457593184 1235769835488 1258486192758 1550769989632 1579276790912 1606845213696 1647693113984 1677981590344 1707273039552 2276364052736 2326154984448 2368915186368 2471539670976 2516972385516 3158553581824 3213690427392 3295386227968 3355963180688 3414546079104 3565710879481 4552728105472 4652309968896 4737830372736 4943079341952 5033944771032 6317107163648 6590772455936 6711926361376 6829092158208 7131421758962 9105456210944 9475660745472 9886158683904 10067889542064 10697132638443 12634214327296 13181544911872 13423852722752 13658184316416 14262843517924 18210912421888 18951321490944 19772317367808 20135779084128 21394265276886 25268428654592 26363089823744 26847705445504 27316368632832 28525687035848 37902642981888 39544634735616 40271558168256 42788530553772 53695410891008 54632737265664 57051374071696 75805285963776 79089269471232 80543116336512 85577061107544 107390821782016 114102748143392 161086232673024 171154122215088 214781643564032 228205496286784 322172465346048 342308244430176 429563287128064 456410992573568 644344930692096 684616488860352 912821985147136 1288689861384192 1369232977720704 1825643970294272 2738465955441408 3651287940588544 5476931910882816 7302575881177088 10953863821765632 21907727643531264
• Sum of all divisors σ(n): 62424575450005860
• Sum of proper divisors (its aliquot sum) s(n): 40516847806474596
• 21907727643531264 is an abundant number, because the sum of its proper divisors (40516847806474596) is greater than itself. Its abundance is 18609120162943332

Bases of 21907727643531264

• Binary: 1001101110101001111011001010100000001110101100000000000₂
• Hexadecimal: 0x4DD4F654075800
• Base-36: 5ZPN3526Y2O

Squares and roots of 21907727643531264

• 21907727643531264 squared (21907727643531264²) is 479948530503143909486343745437696
• 21907727643531264 cubed (21907727643531264³) is 10514581689175933900370285048854920717006740127744
• The square root of 21907727643531264 is 148012592.8545651281
• The cube root of 21907727643531264 is 279811.6405085195

Scales and comparisons

• 21,907,727,643,531,264 seconds is equal to 696,597,974 years, 4 days, 20 hours, 54 minutes, 24 seconds.
• To count from 1 to 21,907,727,643,531,264 would take you about two billion, eighty-nine million, seven hundred ninety-three thousand, nine hundred twenty-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 21907727643531264 cubic inches would be around 23317.6 feet tall.

Recreational maths with 21907727643531264

• 21907727643531264 backwards is 46213534672770912
• The number of decimal digits it has is: 17
• The sum of 21907727643531264's digits is 69
• More coming soon!