1998940815872

Names of 1998940815872

• Cardinal: 1998940815872 can be written as One trillion, nine hundred ninety-eight billion, nine hundred forty million, eight hundred fifteen thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.998940815872 × 10¹²

Factors of 1998940815872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 70

Divisors of 1998940815872

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 22 26 28 32 37 44 49 52 56 64 74 77 88 91 98 104 112 121 128 143 148 154 176 182 196 208 224 242 256 259 286 296 308 352 364 392 407 416 448 481 484 512 518 539 572 592 616 637 704 728 784 814 832 847 896 962 968 1001 1036 1078 1144 1184 1232 1274 1369 1408 1456 1568 1573 1628 1664 1694 1792 1813 1924 1936 2002 2072 2156 2288 2368 2464 2548 2738 2816 2849 2912 3136 3146 3256 3328 3367 3388 3584 3626 3848 3872 4004 4144 4312 4477 4576 4736 4928 5096 5291 5476 5632 5698 5824 5929 6272 6292 6512 6656 6734 6776 7007 7252 7696 7744 8008 8288 8624 8954 9152 9472 9583 9856 10192 10582 10952 11011 11396 11648 11858 12544 12584 13024 13468 13552 14014 14504 15059 15392 15488 16016 16576 17248 17797 17908 18304 18944 19166 19712 19943 20384 21164 21904 22022 22792 23296 23569 23716 25088 25168 26048 26936 27104 28028 29008 30118 30784 30976 31339 32032 33152 34496 35594 35816 36608 37037 38332 39424 39886 40768 42328 43808 44044 45584 46592 47138 47432 50336 50653 52096 53872 54208 56056 58016 58201 60236 61568 61952 62678 64064 66304 67081 68992 71188 71632 73216 74074 76664 77077 79772 81536 84656 87616 88088 91168 94276 94864 100672 101306 104192 105413 107744 108416 112112 116032 116402 120472 123136 124579 125356 128128 132608 134162 137984 142376 143264 148148 153328 154154 159544 163072 165649 169312 175232 176176 182336 188552 189728 195767 201344 202612 208384 210826 215488 216832 219373 224224 232064 232804 240944 246272 249158 250712 256256 259259 268324 275968 284752 286528 296296 306656 308308 319088 326144 331298 338624 350464 352352 354571 364672 377104 379456 391534 402688 405224 407407 421652 430976 433664 438746 448448 464128 465608 481888 498316 501424 512512 518518 536648 557183 569504 573056 592592 613312 616616 638176 658489 662596 677248 700928 704704 709142 729344 737891 754208 758912 783068 805376 810448 814814 843304 861952 872053 877492 896896 928256 931216 963776 996632 1002848 1037036 1073296 1114366 1139008 1146112 1159543 1185184 1226624 1233232 1276352 1316978 1325192 1354496 1370369 1409408 1418284 1458688 1475782 1508416 1517824 1566136 1620896 1629628 1686608 1723904 1744106 1754984 1793792 1862432 1927552 1993264 2005696 2074072 2146592 2153437 2228732 2278016 2292224 2319086 2370368 2453248 2466464 2481997 2552704 2633956 2650384 2708992 2740738 2818816 2836568 2851849 2951564 3016832 3035648 3132272 3241792 3259256 3373216 3488212 3509968 3587584 3724864 3855104 3900281 3986528 4011392 4148144 4293184 4306874 4457464 4556032 4609423 4638172 4740736 4906496 4932928 4963994 5105408 5267912 5300768 5481476 5637632 5673136 5703698 5903128 6033664 6129013 6264544 6483584 6518512 6746432 6976424 7019936 7243379 7449728 7710208 7800562 7973056 8022784 8116801 8296288 8586368 8613748 8914928 9112064 9218846 9276344 9481472 9592583 9865856 9927988 10210816 10535824 10601536 10962952 11346272 11407396 11806256 12067328 12258026 12529088 12967168 13037024 13492864 13952848 14039872 14486758 14899456 15074059 15601124 15946112 16045568 16233602 16592576 17172736 17227496 17829856 18437692 18552688 18962944 19185166 19731712 19855976 21071648 21203072 21925904 22692544 22814792 23612512 24516052 25058176 25934336 26074048 26985728 27301967 27905696 28079744 28973516 29798912 30148118 31202248 31892224 32265961 32467204 33185152 34345472 34454992 35659712 36875384 37105376 38370332 39463424 39711952 42143296 42406144 42903091 43851808 45385088 45629584 47225024 49032104 50116352 50703653 52148096 53971456 54603934 55811392 56159488 57947032 60296236 62404496 63784448 64531922 64934408 66370304 68909984 71319424 73750768 74210752 76740664 79423904 79677169 84286592 84812288 85806182 87703616 90770176 91259168 94450048 98064208 100232704 101407306 104296192 105518413 109207868 111622784 112318976 115894064 120592472 124808992 129063844 129868816 132740608 137819968 142638848 147501536 148421504 153481328 158847808 159354338 168573184 171612364 175407232 181540352 182518336 188900096 196128416 202814612 208592384 211036826 218415736 223245568 231788128 241184944 249617984 258127688 259737632 275639936 285277696 295003072 296843008 300321637 306962656 317695616 318708676 337146368 343224728 350814464 354925571 365036672 377800192 392256832 405629224 422073652 436831472 446491136 463576256 482369888 499235968 516255376 519475264 551279872 557740183 590006144 593686016 600643274 613925312 635391232 637417352 686449456 701628928 709851142 730073344 784513664 811258448 844147304 873662944 927152512 964739776 998471936 1032510752 1038950528 1102559744 1115480366 1180012288 1201286548 1227850624 1270782464 1274834704 1372898912 1419702284 1460146688 1569027328 1622516896 1688294608 1747325888 1854305024 1929479552 1996943872 2065021504 2077901056 2230960732 2360024576 2402573096 2455701248 2549669408 2745797824 2839404568 3138054656 3245033792 3376589216 3494651776 3708610048 3858959104 3904181281 4130043008 4155802112 4461921464 4805146192 4911402496 5099338816 5491595648 5678809136 6490067584 6753178432 6989303552 7717918208 7808362562 8260086016 8923842928 9610292384 10198677632 10983191296 11357618272 12980135168 13506356864 13978607104 15616725124 16520172032 17847685856 19220584768 20397355264 21966382592 22715236544 25960270336 27012713728 31233450248 35695371712 38441169536 40794710528 45430473088 54025427456 62466900496 71390743424 76882339072 90860946176 124933800992 142781486848 153764678144 181721892352 249867601984 285562973696 499735203968 999470407936 1998940815872
• Sum of all divisors σ(n): 5652418768920
• Sum of proper divisors (its aliquot sum) s(n): 3653477953048
• 1998940815872 is an abundant number, because the sum of its proper divisors (3653477953048) is greater than itself. Its abundance is 1654537137176

Bases of 1998940815872

• Binary: 11101000101101010001010000100001000000000₂
• Hexadecimal: 0x1D16A284200
• Base-36: PIATR0U8

Squares and roots of 1998940815872

• 1998940815872 squared (1998940815872²) is 3995764385359017007120384
• 1998940815872 cubed (1998940815872³) is 7987296520501834067845144026281934848
• The square root of 1998940815872 is 1413839.0346400823
• The cube root of 1998940815872 is 12596.9859589053

Scales and comparisons

• 1,998,940,815,872 seconds is equal to 63,560 years, 7 weeks, 1 hour, 44 minutes, 32 seconds.
• To count from 1 to 1,998,940,815,872 would take you about one hundred fifty-eight thousand, nine hundred 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 1998940815872 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998940815872

• 1998940815872 backwards is 2785180498991
• The number of decimal digits it has is: 13
• The sum of 1998940815872's digits is 71
• More coming soon!