21400944644622816

Names of 21400944644622816

• Cardinal: 21400944644622816 can be written as Twenty-one quadrillion, four hundred trillion, nine hundred forty-four billion, six hundred forty-four million, six hundred twenty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1400944644622816 × 10¹⁶

Factors of 21400944644622816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1508

Divisors of 21400944644622816

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 52 56 63 72 78 84 91 96 104 112 117 126 144 156 168 169 182 208 224 234 252 273 288 312 336 338 364 416 468 504 507 546 624 672 676 728 819 936 1008 1014 1092 1183 1248 1352 1456 1483 1521 1638 1872 2016 2028 2184 2197 2366 2704 2912 2966 3042 3276 3549 3744 4056 4368 4394 4449 4732 5408 5932 6084 6552 6591 7098 8112 8736 8788 8898 9464 10381 10647 11864 12168 13104 13182 13347 14196 15379 16224 17576 17796 18928 19279 19773 20762 21294 23728 24336 26208 26364 26694 28392 28561 30758 31143 35152 35592 37856 38558 39546 41524 42588 46137 47456 48672 52728 53388 56784 57122 57837 61516 62286 70304 71184 77116 79092 83048 85176 85683 92274 93429 105456 106776 113568 114244 115674 123032 124572 134953 138411 142368 154232 158184 166096 170352 171366 173511 184548 186858 199927 210912 213552 228488 231348 246064 249144 250627 257049 269906 276822 308464 316368 332192 340704 342732 347022 369096 371293 373716 399854 404859 427104 456976 462696 492128 498288 501254 514098 539812 553644 599781 616928 632736 685464 694044 738192 742586 747432 751881 799708 809718 913952 925392 996576 1002508 1028196 1079624 1107288 1113879 1199562 1214577 1370928 1388088 1476384 1485172 1494864 1503762 1599416 1619436 1754389 1799343 1850784 2005016 2056392 2159248 2199289 2214576 2227758 2255643 2399124 2429154 2599051 2741856 2776176 2970344 2989728 3007524 3198832 3238872 3258151 3341637 3508778 3598686 4010032 4112784 4318496 4398578 4429152 4455516 4511286 4798248 4826809 4858308 5198102 5263167 5552352 5940688 6015048 6397664 6477744 6516302 6597867 6683274 7017556 7197372 7797153 8020064 8225568 8797156 8911032 9022572 9596496 9653618 9716616 9774453 10396204 10526334 11881376 12030096 12955488 13032604 13195734 13366548 14035112 14394744 14480427 15395023 15594306 15789501 17594312 17822064 18045144 19192992 19307236 19433232 19548906 19793601 20792408 21052668 22807057 23391459 24060192 26065208 26391468 26733096 28070224 28590757 28789488 28960854 29323359 30790046 31188612 31579002 33787663 35188624 35644128 36090288 38614472 38866464 39097812 39587202 41584816 42105336 42355963 43441281 45614114 46185069 46782918 52130416 52782936 53466192 56140448 57181514 57578976 57921708 58646718 61580092 62377224 63158004 67575326 68421171 70377248 72180576 77228944 78195624 79174404 83169632 84210672 84711926 85772271 86882562 91228228 92370138 93565836 101362989 104260832 105565872 106932384 114363028 115843416 117293436 123160184 124754448 126316008 127067889 135150652 136842342 138555207 154457888 156391248 158348808 168421344 169423852 171544542 173765124 182456456 184740276 187131672 200135299 202725978 205263513 211131744 228726056 231686832 234586872 246320368 249508896 252632016 254135778 257316813 270301304 273684684 277110414 296491741 304088967 312782496 316697616 338847704 343089084 347530248 364912912 369480552 371679841 374263344 381203667 400270598 405451956 410527026 457452112 463373664 469173744 492640736 505264032 508271556 514633626 540602608 547369368 550627519 554220828 592983482 600405897 608177934 633395232 677695408 686178168 695060496 729825824 738961104 743359682 748526688 762407334 800541196 810903912 821054052 889475223 914904224 938347488 1016543112 1029267252 1081205216 1094738736 1101255038 1108441656 1115039523 1185966964 1200811794 1216355868 1355390816 1372356336 1390120992 1477922208 1486719364 1524814668 1601082392 1621807824 1642108104 1651882557 1778950446 1801217691 2033086224 2058534504 2189477472 2202510076 2216883312 2230079046 2371933928 2401623588 2432711736 2601758887 2668425669 2744712672 2973438728 3049629336 3202164784 3243615648 3284216208 3303765114 3345118569 3557900892 3602435382 3854392633 4066172448 4117069008 4405020152 4433766624 4460158092 4743867856 4803247176 4831837933 4865423472 4955647671 5203517774 5336851338 5946877456 6099258672 6404329568 6568432416 6607530228 6690237138 7115801784 7158157747 7204870764 7708785266 7805276661 8234138016 8810040304 8920316184 9487735712 9606494352 9663675866 9730846944 9911295342 10407035548 10673702676 11563177899 11893754912 12198517344 13215060456 13380474276 14231603568 14316315494 14409741528 14495513799 15417570532 15610553322 17620080608 17840632368 19212988704 19327351732 19822590684 20814071096 21347405352 21474473241 23126355798 23415829983 26430120912 26760948552 28463207136 28632630988 28819483056 28991027598 30835141064 31221106644 33822865531 34689533697 35681264736 38654703464 39645181368 41628142192 42694810704 42948946482 43486541397 46252711596 46831659966 50107104229 52860241824 53521897104 57265261976 57638966112 57982055196 61670282128 62442213288 62813893129 64423419723 67645731062 69379067394 77309406928 79290362736 83256284384 85389621408 85897892964 86973082794 92505423192 93663319932 100214208458 101468596593 107043794208 114530523952 115964110392 123340564256 124884426576 125627786258 128846839446 135291462124 138758134788 150321312687 154618813856 158580725472 171795785928 173946165588 185010846384 187326639864 188441679387 200428416916 202937193186 229061047904 231928220784 249768853152 251255572516 257693678892 270582924248 277516269576 300642625374 304405789779 343591571856 347892331176 370021692768 374653279728 376883358774 400856833832 405874386372 439697251903 450963938061 463856441568 502511145032 515387357784 541165848496 555032539152 565325038161 601285250748 608811579558 687183143712 695784662352 749306559456 753766717548 801713667664 811748772744 816580610677 879394503806 901927876122 1005022290064 1030774715568 1082331696992 1110065078304 1130650076322 1202570501496 1217623159116 1319091755709 1391569324704 1507533435096 1603427335328 1623497545488 1633161221354 1758789007612 1803855752244 2010044580128 2061549431136 2261300152644 2405141002992 2435246318232 2449741832031 2638183511418 3015066870192 3246995090976 3266322442708 3517578015224 3607711504488 3957275267127 4522600305288 4810282005984 4870492636464 4899483664062 5276367022836 5716064274739 6030133740384 6532644885416 7035156030448 7215423008976 7349225496093 7914550534254 9045200610576 9740985272928 9798967328124 10552734045672 10615547938801 11432128549478 13065289770832 14070312060896 14430846017952 14698450992186 15829101068508 17148192824217 18090401221152 19597934656248 21105468091344 21231095877602 22864257098956 26130579541664 29396901984372 31658202137016 31846643816403 34296385648434 39195869312496 42210936182688 42462191755204 45728514197912 51444578472651 58793803968744 63316404274032 63693287632806 68592771296868 74308835571607 78391738624992 84924383510408 91457028395824 95539931449209 102889156945302 117587607937488 126632808548064 127386575265612 137185542593736 148617671143214 169848767020816 182914056791648 191079862898418 205778313890604 222926506714821 235175215874976 254773150531224 274371085187472 297235342286428 339697534041632 382159725796836 411556627781208 445853013429642 509546301062448 548742170374944 594470684572856 668779520144463 764319451593672 823113255562416 891706026859284 1019092602124896 1188941369145712 1337559040288926 1528638903187344 1646226511124832 1783412053718568 2377882738291424 2675118080577852 3057277806374688 3566824107437136 5350236161155704 7133648214874272 10700472322311408 21400944644622816
• Sum of all divisors σ(n): 75400000932365928
• Sum of proper divisors (its aliquot sum) s(n): 53999056287743112
• 21400944644622816 is an abundant number, because the sum of its proper divisors (53999056287743112) is greater than itself. Its abundance is 32598111643120296

Bases of 21400944644622816

• Binary: 1001100000010000000101110110111011001101000100111100000₂
• Hexadecimal: 0x4C080BB76689E0
• Base-36: 5UQ028TE480

Squares and roots of 21400944644622816

• 21400944644622816 squared (21400944644622816²) is 458000431682209988215182907769856
• 21400944644622816 cubed (21400944644622816³) is 9801641885644329754235609065537873105736854634496
• The square root of 21400944644622816 is 146290617.0764988467
• The cube root of 21400944644622816 is 277637.1949132079

Scales and comparisons

• 21,400,944,644,622,816 seconds is equal to 680,483,842 years, 12 weeks, 33 minutes, 36 seconds.
• To count from 1 to 21,400,944,644,622,816 would take you about two billion, forty-one million, four hundred fifty-one thousand, five hundred twenty-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 21400944644622816 cubic inches would be around 23136.4 feet tall.

Recreational maths with 21400944644622816

• 21400944644622816 backwards is 61822644644900412
• 21400944644622816 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21400944644622816's digits is 63
• More coming soon!