21216214729171984

Names of 21216214729171984

• Cardinal: 21216214729171984 can be written as Twenty-one quadrillion, two hundred sixteen trillion, two hundred fourteen billion, seven hundred twenty-nine million, one hundred seventy-one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1216214729171984 × 10¹⁶

Factors of 21216214729171984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 272

Divisors of 21216214729171984

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 8 16 19 38 41 73 76 82 137 146 152 164 274 292 304 328 361 548 584 656 722 779 1096 1168 1387 1444 1558 1681 2192 2603 2774 2888 2993 3116 3362 5206 5329 5548 5617 5776 5986 6232 6724 10001 10412 10658 11096 11234 11972 12464 13448 14801 20002 20824 21316 22192 22468 23944 26353 26896 29602 31939 40004 41648 42632 44936 47888 49457 52706 56867 59204 63878 68921 80008 85264 89872 98914 101251 105412 106723 113734 118408 122713 127756 137842 160016 190019 197828 202502 210824 213446 218489 227468 230297 236816 245426 255512 275684 380038 389017 395656 405004 410041 421648 426892 436978 454936 460594 490852 511024 551368 606841 730073 760076 778034 791312 810008 820082 853784 873956 909872 921188 981704 1080473 1102736 1213682 1309499 1460146 1520152 1556068 1620016 1640164 1707568 1747912 1842376 1923769 1963408 2027737 2160946 2331547 2427364 2618998 2920292 3040304 3112136 3280328 3495824 3610361 3684752 3847538 4055474 4151291 4321892 4375643 4663094 4854728 5031233 5237996 5840584 6224272 6560656 7220722 7391323 7695076 7790779 8110948 8302582 8643784 8751286 8958049 9326188 9442177 9709456 10062466 10475992 11681168 13871387 14441444 14782646 15390152 15581558 15949697 16221896 16605164 16811681 17287568 17502572 17916098 18652376 18884354 20124932 20951984 24880481 27742774 28882888 29565292 29932993 30780304 31163116 31899394 32443792 33210328 33623362 35005144 35832196 37304752 37768708 40249864 44299393 49760962 53295329 55485548 57765776 59130584 59865986 62326232 63798788 66420656 67246724 70010288 71664392 75537416 78874529 80499728 83137217 88598786 95593427 99521924 106590658 110971096 118261168 119731972 124652464 127597576 134493448 140435137 143328784 148024801 151074832 157749058 166274434 170202931 177197572 179401363 191186854 199043848 213181316 221942192 239463944 255195152 263556353 268986896 280870274 296049602 303044243 315498116 319421939 332548868 340405862 354395144 358802726 367280009 382373708 398087696 426362632 478927888 527112706 561740548 568726867 592099204 606088486 630996232 638843878 653937577 665097736 680811724 689278921 708790288 717605452 734560018 764747416 852725264 1012611251 1054225412 1123481096 1137453734 1184198408 1212176972 1227252713 1261992464 1277687756 1307875154 1330195472 1361623448 1378557842 1435210904 1469120036 1529494832 1816275113 2025222502 2108450824 2185108489 2246962192 2274907468 2368396816 2424353944 2454505426 2555375512 2615750308 2723246896 2757115684 2870421808 2938240072 3233855689 3408625897 3632550226 4050445004 4216901648 4370216978 4549814936 4848707888 4909010852 5110751024 5231500616 5514231368 5757840617 5876480144 6069016841 6467711378 6817251794 6978320171 7265100452 8100890008 8740433956 9099629872 9818021704 10463001232 10805810473 11028462736 11515681234 12138033682 12424813963 12935422756 13096299499 13634503588 13956640342 14530200904 16201780016 17480867912 19239613769 19636043408 21611620946 23031362468 23317801547 24276067364 24849627926 25870845512 26192598998 26811440657 27269007176 27913280684 29060401808 34961735824 38479227538 41517061291 43223241892 46062724936 46635603094 48552134728 49699255852 50317361233 51741691024 52385197996 53622881314 54538014352 55826561368 76958455076 83034122582 86446483784 89589448049 92125449872 93271206188 97104269456 99398511704 100634722466 104770395992 107245762628 111653122736 132588083249 153916910152 166068245164 172892967568 179178896098 186542412376 198797023408 201269444932 209540791984 214491525256 236071465297 248829690481 265176166498 307833820304 332136490328 358357792196 373084824752 402538889864 428983050512 443038229393 472142930594 497659380962 509417372483 530352332996 664272980656 716715584392 788824164529 805077779728 886076458786 944285861188 956029863427 995318761924 1018834744966 1060704665992 1433431168784 1577648329058 1702199512931 1772152917572 1888571722376 1912059726854 1990637523848 2037669489932 2121409331984 3155296658116 3404399025862 3544305835144 3673167370009 3777143444752 3824119453708 3981275047696 4075338979864 6310593316232 6808798051724 7088611670288 7346334740018 7648238907416 8150677959728 9678930077177 12621186632464 13617596103448 14692669480036 15296477814832 18164567405113 19357860154354 27235192206896 29385338960072 32341790745689 36329134810226 38715720308708 58770677920144 64683581491378 69790180030171 72658269620452 77431440617416 129367162982756 139580360060342 145316539240904 154862881234832 258734325965512 279160720120684 290633078481808 517468651931024 558321440241368 1116642880482736 1326013420573249 2652026841146498 5304053682292996 10608107364585992 21216214729171984
• Sum of all divisors σ(n): 45415067763068640
• Sum of proper divisors (its aliquot sum) s(n): 24198853033896656
• 21216214729171984 is an abundant number, because the sum of its proper divisors (24198853033896656) is greater than itself. Its abundance is 2982638304724672

Bases of 21216214729171984

• Binary: 1001011011000000000100011101110011010010010010000010000₂
• Hexadecimal: 0x4B6008EE692410
• Base-36: 5SWIQHRBFV4

Squares and roots of 21216214729171984

• 21216214729171984 squared (21216214729171984²) is 450127767434334242388934250496256
• 21216214729171984 cubed (21216214729171984³) is 9550007369449623467635589532334260574691972091904
• The square root of 21216214729171984 is 145657868.7513035939
• The cube root of 21216214729171984 is 276836.0437162719

Scales and comparisons

• 21,216,214,729,171,984 seconds is equal to 674,610,002 years, 16 weeks, 6 days, 21 hours, 33 minutes, 4 seconds.
• To count from 1 to 21,216,214,729,171,984 would take you about two billion, twenty-three million, eight hundred thirty thousand and 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 21216214729171984 cubic inches would be around 23069.7 feet tall.

Recreational maths with 21216214729171984

• 21216214729171984 backwards is 48917192741261212
• The number of decimal digits it has is: 17
• The sum of 21216214729171984's digits is 67
• More coming soon!