18021263688792

Names of 18021263688792

• Cardinal: 18021263688792 can be written as Eighteen trillion, twenty-one billion, two hundred sixty-three million, six hundred eighty-eight thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.8021263688792 × 10¹³

Factors of 18021263688792

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6940

Divisors of 18021263688792

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 19 21 24 26 27 28 36 38 39 42 49 52 54 56 57 63 72 76 78 84 91 98 104 108 114 117 126 133 147 152 156 168 171 182 189 196 216 228 234 247 252 266 273 294 312 342 351 364 378 392 399 441 456 468 494 504 513 532 546 588 637 684 702 728 741 756 798 819 882 931 936 988 1026 1064 1092 1176 1197 1213 1274 1323 1368 1404 1482 1512 1596 1638 1729 1764 1862 1911 1976 2052 2184 2223 2394 2426 2457 2548 2646 2793 2808 2964 3192 3276 3458 3528 3591 3639 3724 3822 4104 4446 4788 4852 4914 5096 5187 5292 5586 5683 5733 5928 6552 6669 6916 7182 7278 7448 7644 8379 8491 8892 9576 9704 9828 10374 10584 10917 11172 11366 11466 12103 13338 13832 14364 14556 15288 15561 15769 16758 16982 17049 17199 17784 19656 20748 21834 22344 22732 22932 23047 24206 25137 25473 26676 28728 29112 31122 31538 32751 33516 33964 34098 34398 36309 39781 41496 43668 45464 45864 46094 46683 47307 48412 50274 50946 51147 53352 59437 62244 63076 65502 67032 67928 68196 68796 69141 72618 73879 76419 79562 87336 92188 93366 94614 96824 100548 101892 102294 107977 108927 110383 118874 119343 124488 126152 131004 136392 137592 138282 141921 145236 147758 152838 153441 159124 161329 178311 184376 186732 189228 201096 203784 204588 207423 215954 217854 220766 221637 229257 237748 238686 262008 276564 278467 283842 290472 295516 299611 305676 306882 318248 322658 323931 326781 331149 356622 358029 373464 378456 409176 414846 425763 431908 435708 441532 443274 458514 475496 477372 483987 517153 534933 553128 556934 567684 591032 599222 611352 613764 622269 645316 647862 653562 662298 664911 713244 716058 755839 772681 829692 835401 851526 863816 871416 883064 886548 898833 917028 954744 967974 971793 993447 1034306 1069866 1074087 1113868 1129303 1135368 1198444 1227528 1244538 1290632 1295724 1307124 1324596 1329822 1403701 1426488 1432116 1451961 1511678 1545362 1551459 1604799 1659384 1670802 1703052 1773096 1797666 1834056 1935948 1943586 1986894 1994733 2068612 2097277 2139732 2148174 2227736 2258606 2267517 2318043 2396888 2489076 2506203 2591448 2614248 2649192 2659644 2696499 2807402 2864232 2903922 2915379 2980341 3023356 3090724 3102918 3209598 3341604 3387909 3406104 3595332 3620071 3871896 3887172 3973788 3989466 4137224 4194554 4211103 4279464 4296348 4355883 4517212 4535034 4636086 4654377 4978152 5012406 5290873 5319288 5392998 5614804 5807844 5830758 5960682 6046712 6181448 6205836 6291831 6419196 6683208 6775818 6802551 6893479 6954129 7190664 7240142 7518609 7774344 7947576 7978932 8089497 8389108 8422206 8592696 8711766 9034424 9070068 9272172 9308754 9825907 10024812 10163727 10581746 10785996 10860213 11229608 11615688 11661516 11921364 12411672 12583662 12633309 12838392 13551636 13605102 13786958 13908258 13963131 14480284 14680939 15037218 15872619 15957864 16178994 16778216 16844412 17423532 18140136 18544344 18617508 18875493 19651814 20049624 20327454 20407653 20680437 20862387 21163492 21571992 21720426 23323032 23842728 25167324 25266618 27103272 27210204 27573916 27816516 27926262 28960568 29361878 29477721 30074436 30491181 31745238 32357988 32580639 33688824 34847064 37235016 37750986 37899927 39303628 40654908 40815306 41360874 41724774 42326984 43440852 44042817 47617857 48254353 50334648 50533236 54420408 55147832 55633032 55852524 56626479 58723756 58955442 60148872 60982362 62041311 63490476 64715976 65161278 68781349 75501972 75799854 78607256 81309816 81630612 82721748 83449548 86881704 88085634 88433163 89615227 95235714 96508706 97741917 101066472 111705048 113252958 117447512 117910884 121964724 124082622 126980952 130322556 130976101 132128451 137562698 142853571 144763059 151003944 151599708 163261224 165443496 166899096 176171268 176866326 179230454 186123933 190471428 193017412 195483834 206344047 226505916 235821768 243929448 248165244 260645112 261952202 264256902 265299489 268845681 275125396 285707142 289526118 303199416 337780471 352342536 353732652 358460908 372247866 380942856 386034824 390967668 392928303 396385353 412688094 434289177 453011832 496330488 523904404 528513804 530598978 537691362 550250792 571414284 579052236 619032141 627306589 675560942 707465304 716921816 744495732 781935336 785856606 792770706 806537043 825376188 868578354 916832707 1013341413 1047808808 1057027608 1061197956 1075382724 1142828568 1158104472 1178784909 1238064282 1254613178 1302867531 1351121884 1488991464 1571713212 1585541412 1613074086 1650752376 1702689313 1737156708 1833665414 1857096423 1881919767 2026682826 2122395912 2150765448 2357569818 2419611129 2476128564 2509226356 2605735062 2702243768 2750498121 3040024239 3143426424 3171082824 3226148172 3405378626 3474313416 3536354727 3667330828 3714192846 3763839534 4053365652 4391146123 4715139636 4839222258 4952257128 5018452712 5108067939 5211470124 5500996242 5645759301 6080048478 6417828949 6452296344 6810757252 7072709454 7334661656 7428385692 7527679068 8106731304 8251494363 8782292246 9120072717 9430279272 9678444516 10216135878 10422940248 11001992484 11291518602 11918825191 12160096956 12835657898 13173438369 13621514504 14145418908 14856771384 15055358136 15324203817 16502988726 16937277903 17564584492 18240145434 19253486847 19356889032 20432271756 22003984968 22583037204 23837650382 24320193912 24754483089 25671315796 26346876738 28290837816 30648407634 33005977452 33874555806 35129168984 35756475573 36480290868 38506973694 39520315107 40864543512 45166074408 45972611451 47675300764 49508966178 51342631592 52693753476 57760460541 61296815268 66011954904 67749111612 71512951146 72960581736 77013947388 79040630214 83431776337 91945222902 95350601528 99017932356 105387506952 107269426719 115520921082 118560945321 122593630536 135498223224 143025902292 154027894776 158081260428 166863552674 173281381623 183890445804 198035864712 214538853438 231041842164 237121890642 250295329011 286051804584 316162520856 321808280157 333727105348 346562763246 367780891608 429077706876 462083684328 474243781284 500590658022 643616560314 667454210696 693125526492 750885987033 858155413752 948487562568 1001181316044 1287233120628 1386251052984 1501771974066 2002362632088 2252657961099 2574466241256 3003543948132 4505315922198 6007087896264 9010631844396 18021263688792
• Sum of all divisors σ(n): 66078000576000
• Sum of proper divisors (its aliquot sum) s(n): 48056736887208
• 18021263688792 is an abundant number, because the sum of its proper divisors (48056736887208) is greater than itself. Its abundance is 30035473198416

Bases of 18021263688792

• Binary: 100000110001111100111000001010100010001011000₂
• Hexadecimal: 0x1063E7054458
• Base-36: 6DYUR3S60

Squares and roots of 18021263688792

• 18021263688792 squared (18021263688792²) is 324765944940973043026419264
• 18021263688792 cubed (18021263688792³) is 5852692730920979432072121757063809689088
• The square root of 18021263688792 is 4245145.8972327441
• The cube root of 18021263688792 is 26217.7296273137

Scales and comparisons

• 18,021,263,688,792 seconds is equal to 573,020 years, 22 weeks, 6 days, 20 hours, 13 minutes, 12 seconds.
• To count from 1 to 18,021,263,688,792 would take you about one million, four hundred thirty-two thousand, five hundred fifty-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 18021263688792 cubic inches would be around 2184.8 feet tall.

Recreational maths with 18021263688792

• 18021263688792 backwards is 29788636212081
• 18021263688792 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18021263688792's digits is 63
• More coming soon!