1998865985523460144

Names of 1998865985523460144

• Cardinal: 1998865985523460144 can be written as One quintillion, nine hundred ninety-eight quadrillion, eight hundred sixty-five trillion, nine hundred eighty-five billion, five hundred twenty-three million, four hundred sixty thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.998865985523460144 × 10¹⁸

Factors of 1998865985523460144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 759

Divisors of 1998865985523460144

• Number of divisors d(n): 900
• Complete list of divisors:
  1 2 4 7 8 13 14 16 19 26 28 38 52 56 76 91 104 112 133 152 182 197 208 247 266 304 361 364 394 494 521 532 722 728 788 988 1042 1064 1379 1444 1456 1576 1729 1976 2084 2128 2527 2561 2758 2888 3152 3458 3647 3743 3952 4168 4693 5054 5122 5516 5776 6773 6859 6916 7294 7486 8336 9386 9899 10108 10244 11032 13546 13718 13832 14588 14972 17927 18772 19798 20216 20488 22064 26201 27092 27436 27664 29176 29944 32851 35854 37544 38809 39596 40432 40976 47411 48013 48659 52402 54184 54872 58352 59888 65702 69293 71117 71708 75088 77618 79192 89167 94822 96026 97318 102637 104804 108368 109744 128687 130321 131404 138586 142234 143416 155236 158384 178334 188081 189644 192052 194636 205274 209608 257374 260642 262808 271441 271663 277172 284468 286832 310472 340613 356668 376162 379288 384104 389272 410548 419216 497819 504517 514748 521284 525616 542882 543326 554344 568936 620944 624169 681226 713336 718459 737371 752324 758576 768208 778544 821096 900809 912247 924521 995638 1009034 1029496 1042568 1085764 1086652 1108688 1137872 1248338 1316567 1334281 1351223 1362452 1426672 1436918 1474742 1504648 1642192 1694173 1801618 1824494 1849042 1900087 1950103 1991276 2018068 2058992 2085136 2171528 2173304 2445053 2496676 2633134 2668562 2702446 2724904 2873836 2949484 3009296 3388346 3528733 3531619 3573539 3603236 3648988 3698084 3800174 3900206 3982552 4036136 4343056 4346608 4890106 4993352 5157379 5161597 5266268 5337124 5404892 5449808 5747672 5898968 6471647 6776692 7057466 7063238 7147078 7206472 7297976 7396168 7600348 7800412 7965104 8072272 9339967 9458561 9585823 9780212 9986704 10314758 10323194 10532536 10674248 10809784 11495344 11797936 11859211 12943294 13553384 13650721 14010049 14114932 14126476 14294156 14412944 14595952 14792336 15200696 15600824 17115371 17565899 18679934 18917122 19171646 19560424 20219489 20629516 20646388 21065072 21348496 21619568 23718422 24701131 25014773 25351339 25673237 25886588 27106768 27301442 28020098 28229864 28252952 28588312 30401392 31201648 34230742 35131798 36101653 37051957 37359868 37834244 38343292 39120848 40438978 41259032 41292776 46456007 47436844 49402262 50029546 50702678 51346474 51773176 53473877 54602884 56040196 56459728 56505904 57176624 67045927 67100761 67897241 68461484 70263596 72203306 74103914 74719736 75668488 76686584 80877956 82518064 82585552 92912014 94873688 97990201 98070343 98804524 100059092 101405356 102692948 103546352 106947754 109205768 112080392 122961293 134091854 134201522 135794482 136922968 140527192 141536423 144406612 148207828 149439472 151336976 153373168 161755912 177459373 179712659 182130637 185824028 189747376 195980402 196140686 197609048 200118184 202810712 205385896 213895508 218411536 224160784 245922586 259363699 262853357 266190931 268183708 268403044 271588964 273845936 281054384 283072846 288813224 296415656 323511824 325192049 333752081 354918746 359425318 364261274 371648056 374317139 384170291 391960804 392281372 395218096 400236368 405621424 410771792 427791016 469321489 475280687 481675441 491845172 518727398 525706714 532381862 536367416 536806088 543177928 566145692 577626448 592831312 650384098 667504162 685931407 695160401 703987183 709837492 718850636 728522548 743296112 748634278 768340582 783921608 784562744 855582032 882664133 938642978 950561374 963350882 983690344 1016003663 1037454796 1051413428 1064763724 1072734832 1073612176 1086355856 1132291384 1273872613 1274914459 1300768196 1335008324 1371862814 1390320802 1407974366 1419674984 1437701272 1457045096 1497268556 1536681164 1567843216 1569125488 1765328266 1839973499 1861813819 1863336517 1877285956 1901122748 1926701764 1967380688 2032007326 2074909592 2102826856 2129527448 2264582768 2336264567 2547745226 2549828918 2601536392 2670016648 2689192037 2743725628 2780641604 2815948732 2839349968 2875402544 2914090192 2994537112 3073362328 3371728087 3460482103 3530656532 3679946998 3723627638 3726673034 3754571912 3802245496 3853403528 4064014652 4149819184 4205653712 4259054896 4672529134 4866122807 4927910281 4994213783 5057627689 5095490452 5099657836 5203072784 5340033296 5378384074 5487451256 5561283208 5631897464 5989074224 6146724656 6178648931 6743456174 6920964206 7061313064 7112025641 7299235529 7359893996 7447255276 7453346068 7509143824 7604490992 7706807056 8128029304 8917108291 9151833379 9345058268 9732245614 9855820562 9988427566 10115255378 10190980904 10199315672 10534353769 10756768148 10974902512 11122566416 11263794928 12357297862 13032696733 13208047619 13375756477 13486912348 13841928412 14122626128 14224051282 14598471058 14719787992 14894510552 14906692136 16256058608 17834216582 18303666758 18690116536 19304069597 19464491228 19711641124 19976855132 20230510756 20381961808 20398631344 21068707538 21513536296 24203579647 24223374721 24714595724 26065393466 26416095238 26751512954 26973824696 27683856824 28448102564 29196942116 29439575984 29789021104 29813384272 34959496481 35374462561 35403393823 35668433164 36607333516 37380233072 38608139194 38928982456 39423282248 39953710264 40461021512 42137415076 43027072592 48407159294 48446749442 49429191448 51094648703 52130786932 52832190476 53503025908 53947649392 55367713648 56896205128 58393884232 64062833653 65749159957 69918992962 70748925122 70806787646 71336866328 73214667032 73740476383 77216278388 77857964912 78846564496 79907420528 80922043024 84274830152 92456333333 93630295339 94890061877 96814318588 96893498884 98858382896 102189297406 104261573864 105664380952 107006051816 113792410256 116787768464 128125667306 131498319914 135128487179 136946598997 138685475051 139837985924 141497850244 141613575292 142673732656 146429334064 147480952766 154432556776 168549660304 169425057529 173884834201 184912666666 187260590678 189780123754 193628637176 193786997768 200152721611 204378594812 208523147728 211328761904 214012103632 247621237927 250952904761 256251334612 262996639828 270256974358 273893197994 277370950102 279675971848 282995700488 283227150584 294961905532 308865113552 338850115058 347769668402 366777322343 369825333332 374521181356 379560247508 387257274352 387573995536 400305443222 408757189624 459868013293 460244119699 495242475854 501905809522 512502669224 525993279656 540513948716 547786395988 554741900204 559351943696 565991400976 566454301168 589923811064 664230433139 677700230116 695539336804 733554644686 739650666664 749042362712 759120495016 800610886444 817514379248 919736026586 920488239398 958626192979 970798325357 990484951708 1003811619044 1025005338448 1051986559312 1081027897432 1095572791976 1109483800408 1179847622128 1217193839407 1328460866278 1355400460232 1391078673608 1401069051277 1467109289372 1479301333328 1498084725424 1518240990032 1601221772888 1756670333327 1802911175663 1839472053172 1840976478796 1917252385958 1941596650714 1980969903416 2007623238088 2162055794864 2191145583952 2218967600816 2434387678814 2567441256401 2601985380943 2635024025969 2656921732556 2710800920464 2782157347216 2802138102554 2934218578744 3202443545776 3219076093051 3513340666654 3605822351326 3678944106344 3681952957592 3802901710609 3834504771916 3883193301428 3961939806832 4015246476176 4768105190459 4868775357628 5134882512802 5203970761886 5270048051938 5313843465112 5604276205108 5868437157488 6438152186102 6968769124517 7026681333308 7211644702652 7357888212688 7363905915184 7605803421218 7669009543832 7766386602856 9536210380918 9737550715256 10269765025604 10407941523772 10540096103876 10627686930224 11208552410216 12620378229641 12876304372204 13937538249034 14053362666616 14423289405304 15211606842436 15338019087664 15532773205712 18213897666601 18445168181783 19072420761836 19475101430512 20539530051208 20815883047544 21080192207752 22417104820432 25240756459282 25752608744408 26620311974263 27875076498068 28106725333232 28846578810608 30423213684872 33376736333213 34255312337597 36427795333202 36890336363566 38144841523672 41079060102416 41631766095088 42160384415504 48781383871619 49437722237917 50481512918564 51505217488816 53240623948526 55750152996136 60846427369744 66753472666426 68510624675194 72255132501571 72855590666404 73780672727132 76289683047344 90593998618721 97562767743238 98875444475834 100963025837128 106481247897052 111500305992272 133506945332852 137021249350388 144510265003142 145711181332808 147561345454264 181187997237442 195125535486476 197750888951668 201926051674256 212962495794104 239787186363179 267013890665704 274042498700776 289020530006284 291422362665616 295122690908528 346064055665419 362375994474884 390251070972952 395501777903336 425924991588208 479574372726358 505785927510997 534027781331408 548084997401552 578041060012568 634157990331047 692128111330838 724751988949768 780502141945904 791003555806672 939316722520423 959148745452716 1011571855021994 1156082120025136 1268315980662094 1372847517529849 1384256222661676 1449503977899536 1878633445040846 1918297490905432 2023143710043988 2536631961324188 2745695035059698 2768512445323352 3757266890081692 3836594981810864 4046287420087976 5073263922648376 5491390070119396 5537024890646704 6575217057642961 7514533780163384 8092574840175952 9609932622708943 10146527845296752 10982780140238792 13150434115285922 15029067560326768 17847017727888037 19219865245417886 21965560280477584 26300868230571844 35694035455776074 38439730490835772 52601736461143688 71388070911552148 76879460981671544 105203472922287376 124929124095216259 142776141823104296 153758921963343088 249858248190432518 285552283646208592 499716496380865036 999432992761730072 1998865985523460144
• Sum of all divisors σ(n): 5066725944870657872
• Sum of proper divisors (its aliquot sum) s(n): 3067859959347197728
• 1998865985523460144 is an abundant number, because the sum of its proper divisors (3067859959347197728) is greater than itself. Its abundance is 1068993973823737584

Bases of 1998865985523460144

• Binary: 1101110111101011001100000010111111100101111001010100000110000₂
• Hexadecimal: 0x1BBD6605FCBCA830
• Base-36: F6PMUSXQB48G

Squares and roots of 1998865985523460144

• 1998865985523460144 squared (1998865985523460144²) is 3995465228082673577963614202356500736
• 1998865985523460144 cubed (1998865985523460144³) is 7986399540756189786488863151779144881943843974602665984
• The square root of 1998865985523460144 is 1413812570.8606003705
• The cube root of 1998865985523460144 is 1259682.8767555885

Scales and comparisons

• 1,998,865,985,523,460,144 seconds is equal to 63,557,755,441 years, 10 weeks, 1 day, 14 hours, 29 minutes, 4 seconds.
• To count from 1 to 1,998,865,985,523,460,144 would take you about two hundred twenty-two billion, four hundred fifty-two million, one hundred forty-four thousand and forty-four 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 1998865985523460144 cubic inches would be around 104973.6 feet tall.

Recreational maths with 1998865985523460144

• 1998865985523460144 backwards is 4410643255895688991
• The number of decimal digits it has is: 19
• The sum of 1998865985523460144's digits is 97
• More coming soon!