18937840427982

Names of 18937840427982

• Cardinal: 18937840427982 can be written as Eighteen trillion, nine hundred thirty-seven billion, eight hundred forty million, four hundred twenty-seven thousand, nine hundred eighty-two.

Scientific notation

• Scientific notation: 1.8937840427982 × 10¹³

Factors of 18937840427982

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4046

Divisors of 18937840427982

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 23 31 38 42 43 46 57 62 63 67 69 86 93 114 126 129 133 134 138 161 171 186 201 207 217 258 266 279 301 322 342 387 399 402 414 434 437 469 483 558 589 602 603 651 713 774 798 817 874 903 938 966 989 1178 1197 1206 1273 1302 1311 1333 1407 1426 1449 1541 1634 1767 1806 1953 1978 2077 2139 2394 2451 2546 2622 2666 2709 2814 2881 2898 2967 3059 3082 3534 3819 3851 3906 3933 3999 4123 4154 4221 4278 4623 4902 4991 5301 5418 5719 5762 5934 6118 6231 6417 6923 7353 7638 7702 7866 7998 8246 8442 8643 8901 8911 9177 9246 9331 9982 10602 10787 11438 11457 11553 11997 12369 12462 12834 13547 13846 13869 14539 14706 14973 17157 17286 17802 17822 18354 18662 18693 18791 20167 20769 21574 22914 23106 23994 24738 25327 25929 26733 26957 27094 27531 27738 27993 29078 29279 29946 30659 32361 34314 34659 37107 37386 37582 39463 40334 40641 41538 43617 44919 47771 50654 51471 51858 53466 53914 54739 55062 55986 56373 58558 60501 61318 62307 64722 66263 69318 73169 74214 75981 78926 80199 80871 81282 83979 87234 87837 88573 89311 89838 91977 94829 95542 97083 102942 109478 112746 118389 119381 121002 121923 124614 130851 131537 132526 143313 146338 151962 160398 161742 164217 165593 167958 169119 175674 177146 177289 178622 181503 183954 189658 194166 198789 204953 214613 219507 227943 236778 238762 242613 243846 258017 261702 263074 263511 265719 267933 275931 276241 284487 286626 328434 331186 334397 338238 354578 355167 358143 363006 383173 394611 397578 409906 429226 429939 439014 455886 463841 485226 492651 496779 512183 516034 527022 531438 531867 535866 551862 552482 568974 582521 596367 614859 620011 625177 643839 658521 668794 710334 716286 766346 774051 789222 797157 803799 828723 835667 853461 859878 907649 927682 985302 993558 1003191 1024366 1063734 1074429 1149519 1159151 1165042 1183833 1192734 1229718 1240022 1250354 1258997 1287678 1317042 1391523 1490337 1536549 1548102 1594314 1595601 1607598 1657446 1671334 1682887 1696909 1706922 1747563 1806119 1815298 1844577 1860033 1875531 1931517 2006382 2054153 2148858 2268239 2299038 2318302 2322153 2367666 2486169 2507001 2517994 2722947 2745763 2783046 2980674 3009573 3073098 3146267 3191202 3365774 3393818 3448557 3477453 3495126 3612238 3689154 3720066 3751062 3776991 3808639 3863034 4077647 4108306 4174569 4536478 4609647 4644306 4902323 4972338 5014002 5048661 5090727 5133383 5242689 5418357 5445894 5491526 5580099 5626593 5934391 6019146 6162459 6292534 6353543 6804717 6897114 6954906 7521003 7553982 7617278 7998527 8155294 8168841 8237289 8349138 8812979 9219294 9438801 9804646 10097322 10181454 10266766 10432359 10485378 10836714 11094731 11160198 11253186 11330973 11425917 11780209 11868782 11878363 12232941 12324918 12707086 13609434 14379071 14706969 15042006 15145983 15272181 15400149 15877673 15997054 16255071 16337682 16474578 17625958 17803173 18487377 18877602 19060629 19220341 20414151 20864718 22023869 22189462 22661946 22851834 23560418 23756726 23995581 24465882 24711867 26438937 26660473 28316403 28758142 29413938 30291966 30544362 30800298 31755346 32510142 33284193 34277751 34316261 35340627 35606346 35635089 35933681 36698823 36974754 38121258 38440682 39028907 40828302 41540737 43137213 44047738 44120907 46200447 47633019 47991162 49423734 52169497 52877874 53320946 53409519 55989689 56632806 57181887 57661023 66071607 66568386 68555502 68632522 70681254 71270178 71867362 71986743 72364141 73397646 77663117 78057814 79316811 79981419 83081474 86274426 88241814 92400894 95266038 97534277 99852579 102948783 104338994 106021881 106819038 106905267 107801043 111979378 112753429 114363774 115322046 117086721 118067809 124622211 129411639 132143214 142899057 143973486 144728282 151972013 155326234 156508491 158633622 159962838 167969067 172983069 183966121 195068554 198214821 199705158 205897566 210799889 212043762 213810534 215602086 217092423 225506858 232989351 234173442 236135618 239944257 249244422 255178813 258823278 273202349 285798114 292602831 303944026 308846349 313016982 323403129 335938134 338260287 343936661 345966138 351260163 354203427 365186479 367932242 373866633 396429642 421599778 434184846 455916039 465978702 469525473 479888514 503907201 506548987 510357626 546404698 551898363 585205662 617692698 632399667 646806258 651277269 676520574 682739939 687873322 698968053 702520326 708406854 730372958 747733266 765536439 789274003 819607047 826474663 877808493 911832078 939050946 1007814402 1013097974 1014780861 1031809983 1062610281 1063804091 1095559437 1103796726 1264799334 1287762847 1302554538 1365479878 1367748117 1397936106 1475599223 1519646961 1531072878 1578548006 1639214094 1652949326 1655695089 1755616986 1786251691 1897199001 2029561722 2048219817 2063619966 2125220562 2127608182 2191118874 2243288371 2296609317 2367822009 2407556627 2458821141 2479423989 2575525694 2735496234 2951198446 3039293922 3095429949 3191412273 3286678311 3311390178 3495356299 3572503382 3794398002 3863288541 4096439634 4426797669 4486576742 4558940883 4593218634 4735644018 4815113254 4848397447 4917642282 4958847978 5358755073 6144659451 6190859898 6382824546 6534796559 6573356622 6729865113 6990712598 7103466027 7222669881 7438271967 7726577082 7910543203 8853595338 9117881766 9574236819 9696794894 10486068897 10717510146 11589865623 12289318902 13069593118 13280393007 13459730226 14206932054 14445339762 14545192341 14876543934 15703018597 15821086406 16076265219 19148473638 19604389677 20189595339 20972137794 21668009643 23179731246 23731629609 24467494093 26560786014 29090384682 31406037194 31458206691 32152530438 33938782129 39208779354 40379190678 43336019286 43635577023 45743575913 47109055791 47463259218 48934988186 55373802421 58813169031 62916413382 67877564258 71194888827 73402482279 87271154046 91487151826 94218111582 101816346387 110747604842 117626338062 137230727739 141327167373 142389777654 146804964558 150300320857 166121407263 203632692774 220207446837 274461455478 282654334746 300600641714 305449039161 332242814526 411692183217 440414893674 450900962571 498364221789 610898078322 823384366434 901801925142 996728443578 1052102245999 1352702887713 2104204491998 2705405775426 3156306737997 6312613475994 9468920213991 18937840427982
• Sum of all divisors σ(n): 55232369786880
• Sum of proper divisors (its aliquot sum) s(n): 36294529358898
• 18937840427982 is an abundant number, because the sum of its proper divisors (36294529358898) is greater than itself. Its abundance is 17356688930916

Bases of 18937840427982

• Binary: 100010011100101001111010000000110001111001110₂
• Hexadecimal: 0x11394F4063CE
• Base-36: 6PNX98AFI

Squares and roots of 18937840427982

• 18937840427982 squared (18937840427982²) is 358641800075709460928592324
• 18937840427982 cubed (18937840427982³) is 6791901180638008537554219364280960010168
• The square root of 18937840427982 is 4351762.9103596625
• The cube root of 18937840427982 is 26654.8852741155

Scales and comparisons

• 18,937,840,427,982 seconds is equal to 602,164 years, 38 weeks, 5 days, 21 hours, 59 minutes, 42 seconds.
• To count from 1 to 18,937,840,427,982 would take you about one million, five hundred five thousand, four hundred eleven 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 18937840427982 cubic inches would be around 2221.2 feet tall.

Recreational maths with 18937840427982

• 18937840427982 backwards is 28972404873981
• The number of decimal digits it has is: 14
• The sum of 18937840427982's digits is 72
• More coming soon!