21728427992964

Names of 21728427992964

• Cardinal: 21728427992964 can be written as Twenty-one trillion, seven hundred twenty-eight billion, four hundred twenty-seven million, nine hundred ninety-two thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 2.1728427992964 × 10¹³

Factors of 21728427992964

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 173

Divisors of 21728427992964

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 63 66 71 77 79 81 84 99 108 126 132 142 154 158 162 189 198 213 231 237 243 252 284 297 308 316 324 378 396 426 462 474 486 497 553 567 594 639 693 711 729 756 781 852 869 891 924 948 972 994 1106 1134 1188 1278 1386 1422 1458 1491 1562 1659 1701 1738 1782 1917 1988 2079 2133 2187 2212 2268 2343 2556 2607 2673 2772 2844 2916 2982 3124 3318 3402 3476 3564 3834 4158 4266 4374 4473 4686 4977 5041 5103 5214 5346 5467 5609 5751 5964 6083 6237 6399 6561 6636 6804 7029 7668 7821 8019 8316 8532 8748 8946 9372 9954 10082 10206 10428 10692 10934 11218 11502 12166 12474 12798 13122 13419 14058 14931 15123 15309 15642 16038 16401 16827 17253 17892 18249 18711 19197 19683 19908 20164 20412 21087 21868 22436 23004 23463 24057 24332 24948 25596 26244 26838 28116 29862 30246 30618 31284 32076 32802 33654 34506 35287 36498 37422 38394 39263 39366 40257 42174 44793 45369 45927 46926 48114 49203 50481 51759 53676 54747 55451 56133 57591 59049 59724 60492 61236 61699 63261 65604 67308 69012 70389 70574 72171 72996 74844 76788 78526 78732 80514 84348 89586 90738 91854 93852 96228 98406 100962 103518 105861 109494 110902 112266 115182 117789 118098 120771 123398 126522 134379 136107 137781 140778 141148 144342 147609 151443 155277 157052 161028 164241 166353 168399 172773 177147 179172 181476 183708 185097 189783 196812 201924 207036 211167 211722 216513 218988 221804 224532 230364 235578 236196 241542 246796 253044 268758 272214 275562 281556 288684 295218 302886 310554 317583 328482 332706 336798 345546 353367 354294 362313 370194 379566 388157 398239 403137 408321 413343 422334 423444 431893 433026 442827 454329 465831 471156 483084 492723 499059 505197 518319 537516 544428 551124 555291 569349 590436 605772 621108 633501 635166 649539 656964 665412 673596 691092 706734 708588 724626 740388 759132 776314 796478 806274 816642 826686 844668 863786 866052 885654 908658 931662 952749 985446 998118 1010394 1036638 1060101 1086939 1110582 1138698 1164471 1194717 1209411 1224963 1240029 1267002 1270332 1295679 1299078 1328481 1362987 1397493 1413468 1449252 1478169 1497177 1515591 1552628 1554957 1592956 1612548 1633284 1653372 1665873 1708047 1727572 1771308 1817316 1863324 1900503 1905498 1948617 1970892 1996236 2020788 2073276 2120202 2173878 2221164 2277396 2328942 2389434 2418822 2449926 2480058 2534004 2591358 2598156 2656962 2725974 2787673 2794986 2858247 2956338 2994354 3031182 3109914 3180303 3260817 3331746 3416094 3493413 3584151 3628233 3674889 3801006 3810996 3887037 3897234 3985443 4088961 4192479 4240404 4347756 4380629 4434507 4491531 4546773 4657884 4664871 4778868 4837644 4899852 4960116 4997619 5124141 5182716 5313924 5451948 5575346 5589972 5701509 5716494 5912676 5988708 6062364 6219828 6360606 6521634 6663492 6832188 6986826 7168302 7256466 7349778 7602012 7774074 7794468 7970886 8177922 8363019 8384958 8574741 8761258 8869014 8983062 9093546 9329742 9540909 9782451 9995238 10248282 10480239 10752453 10884699 11024667 11150692 11403018 11432988 11661111 11956329 12266883 12577437 12721212 13043268 13141887 13303521 13474593 13640319 13973652 13994613 14336604 14512932 14699556 14992857 15372423 15548148 15941772 16355844 16726038 16769916 17104527 17149482 17522516 17738028 17966124 18187092 18659484 19081818 19564902 19990476 20496564 20960478 21504906 21769398 22049334 22806036 23322222 23912658 24533766 25089057 25154874 25724223 26283774 26607042 26949186 27280638 27989226 28622727 29347353 29985714 30664403 30744846 31440717 32257359 32654097 33074001 33452076 34209054 34298964 34983333 35868987 36800649 38163636 39129804 39425661 39910563 40423779 41920956 43009812 43538796 44098668 44978571 46117269 46644444 47825316 49067532 50178114 50309748 51313581 51448446 52567548 53214084 53898372 54561276 55978452 57245454 58694706 59971428 61328806 61489692 62881434 64514718 65308194 66148002 68418108 69966666 71737974 73601298 75267171 77172669 78851322 79821126 80847558 85868181 88042059 89957142 91993209 92234538 94322151 96772077 97962291 99222003 100356228 102627162 102896892 104949999 107606961 110401947 114490908 117389412 118276983 119731689 121271337 122657612 125762868 129029436 130616388 132296004 134935713 138351807 139933332 143475948 147202596 150534342 153940743 154345338 157702644 159642252 161695116 171736362 176084118 179914284 183986418 184469076 188644302 193544154 195924582 198444006 205254324 209899998 215213922 220803894 225801513 231518007 236553966 239463378 242542674 257604543 269871426 275979627 276703614 282966453 290316231 297666009 301068684 307881486 308690676 314849997 322820883 331205841 343472724 352168236 354830949 359195067 363814011 367972836 377288604 387088308 391849164 396888012 404807139 419799996 430427844 441607788 451603026 463036014 473107932 478926756 485085348 515209086 539742852 551959254 553407228 565932906 580632462 595332018 615762972 629699994 645641766 662411682 677404539 694554021 709661898 718390134 727628022 772813629 809614278 827938881 848899359 870948693 892998027 903206052 926072028 944549991 968462649 993617523 1030418172 1064492847 1077585201 1091442033 1103918508 1131865812 1161264924 1190664036 1214421417 1259399988 1291283532 1324823364 1354809078 1389108042 1419323796 1436780268 1455256044 1545627258 1619228556 1655877762 1697798718 1741897386 1785996054 1889099982 1936925298 1987235046 2032213617 2083662063 2128985694 2155170402 2182884066 2318440887 2428842834 2483816643 2546698077 2612846079 2709618156 2778216084 2833649973 3091254516 3193478541 3274326099 3311755524 3395597436 3483794772 3571992108 3643264251 3778199964 3873850596 3974470092 4064427234 4167324126 4257971388 4310340804 4365768132 4636881774 4857685668 4967633286 5093396154 5225692158 5667299946 6096640851 6250986189 6386957082 6548652198 6955322661 7286528502 7451449929 7640094231 7838538237 8128854468 8334648252 8500949919 9273763548 9580435623 9822978297 9935266572 10186792308 10451384316 10929792753 11334599892 12193281702 12501972378 12773914164 13097304396 13910645322 14573057004 14902899858 15280188462 15677076474 17001899838 18289922553 19160871246 19645956594 21859585506 22354349787 22920282693 23515614711 24386563404 25003944756 25502849757 27821290644 28741306869 29805799716 30560376924 31354152948 34003799676 36579845106 38321742492 39291913188 43719171012 44708699574 45840565386 47031229422 51005699514 54869767659 57482613738 67063049361 68760848079 70546844133 73159690212 76508549271 86223920607 89417399148 91681130772 94062458844 102011399028 109739535318 114965227476 134126098722 137521696158 141093688266 153017098542 164609302977 172447841214 201189148083 219479070636 258671761821 268252197444 275043392316 282187376532 306034197084 329218605954 344895682428 402378296166 493827908931 517343523642 603567444249 658437211908 776015285463 804756592332 987655817862 1034687047284 1207134888498 1552030570926 1810702332747 1975311635724 2414269776996 3104061141852 3621404665494 5432106998241 7242809330988 10864213996482 21728427992964
• Sum of all divisors σ(n): 73039753113600
• Sum of proper divisors (its aliquot sum) s(n): 51311325120636
• 21728427992964 is an abundant number, because the sum of its proper divisors (51311325120636) is greater than itself. Its abundance is 29582897127672

Bases of 21728427992964

• Binary: 100111100001100001011001110110110011110000100₂
• Hexadecimal: 0x13C30B3B6784
• Base-36: 7P9WH0K90

Squares and roots of 21728427992964

• 21728427992964 squared (21728427992964²) is 472124583045421561233505296
• 21728427992964 cubed (21728427992964³) is 10258525006410594556602224906915744737344
• The square root of 21728427992964 is 4661376.1908865497
• The cube root of 21728427992964 is 27904.6193337933

Scales and comparisons

• 21,728,427,992,964 seconds is equal to 690,896 years, 41 weeks, 4 days, 2 hours, 29 minutes, 24 seconds.
• To count from 1 to 21,728,427,992,964 would take you about one million, seven hundred twenty-seven thousand, two hundred forty-one 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 21728427992964 cubic inches would be around 2325.4 feet tall.

Recreational maths with 21728427992964

• 21728427992964 backwards is 46929972482712
• The number of decimal digits it has is: 14
• The sum of 21728427992964's digits is 72
• More coming soon!