1988431903920

Names of 1988431903920

• Cardinal: 1988431903920 can be written as One trillion, nine hundred eighty-eight billion, four hundred thirty-one million, nine hundred three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.98843190392 × 10¹²

Factors of 1988431903920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 92

Divisors of 1988431903920

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 23 24 28 30 33 35 40 41 42 44 46 48 55 56 60 66 69 70 77 80 82 84 88 92 105 110 112 115 120 121 123 132 138 140 154 161 164 165 168 176 184 205 210 220 230 231 240 242 246 253 264 276 280 287 308 322 328 330 336 345 363 368 385 410 420 440 451 460 462 483 484 492 506 528 529 552 560 574 605 615 616 644 656 660 690 726 759 770 805 820 840 847 861 880 902 920 924 943 966 968 984 1012 1058 1104 1148 1155 1210 1230 1232 1265 1288 1320 1331 1353 1380 1435 1452 1518 1540 1587 1610 1640 1680 1681 1694 1722 1771 1804 1815 1840 1848 1886 1932 1936 1968 2024 2116 2255 2296 2310 2415 2420 2460 2530 2541 2576 2640 2645 2662 2706 2760 2783 2829 2870 2904 3036 3080 3157 3174 3220 3280 3362 3388 3444 3542 3608 3630 3696 3703 3772 3795 3864 3993 4048 4232 4235 4305 4510 4592 4620 4715 4830 4840 4920 4961 5043 5060 5082 5290 5313 5324 5412 5520 5566 5658 5740 5808 5819 6072 6160 6314 6348 6440 6601 6655 6724 6765 6776 6888 7084 7216 7260 7406 7544 7590 7728 7935 7986 8349 8405 8464 8470 8610 8855 9020 9240 9317 9430 9471 9660 9680 9840 9922 10086 10120 10164 10373 10580 10626 10648 10824 11109 11132 11316 11480 11638 11767 12144 12628 12696 12705 12880 13202 13310 13448 13530 13552 13776 13915 14145 14168 14520 14812 14883 15088 15180 15785 15870 15972 16698 16810 16940 17220 17457 17710 18040 18480 18491 18515 18634 18860 18942 19320 19481 19803 19844 19965 20172 20240 20328 20746 21160 21252 21296 21648 21689 22218 22264 22632 22960 23276 23534 24805 25215 25256 25392 25410 26404 26565 26620 26896 27060 27830 27951 28290 28336 29040 29095 29624 29766 30360 30613 31119 31570 31740 31944 33005 33396 33620 33880 34440 34727 34914 35301 35420 36080 36982 37030 37268 37720 37884 38640 38663 38962 39606 39688 39930 40344 40656 40733 41492 41745 42320 42504 43378 44436 44528 45264 46552 46585 47068 47355 49610 50430 50512 50820 51865 52808 53130 53240 54120 54571 55473 55545 55660 55902 56580 58190 58443 58835 59248 59532 60720 61226 62238 63140 63480 63888 64009 65067 66010 66792 67240 67760 68880 69454 69828 70602 70840 72611 73964 74060 74415 74536 75440 75768 77326 77924 79212 79376 79860 80688 81466 82984 83490 85008 86756 87285 88872 91839 92455 93104 93170 94136 94710 97405 99015 99220 100860 101640 103730 104181 105616 106260 106480 108240 108445 109142 110946 111090 111320 111804 113160 114103 115989 116380 116886 117670 119064 122199 122452 124476 126280 126960 128018 129437 130134 132020 133584 134480 138908 139656 139755 141204 141680 145222 147928 148120 148830 149072 151536 151823 153065 154652 155595 155848 158424 159720 162932 163713 165968 166980 173512 173635 174570 176505 177744 183678 184910 186340 188272 189420 192027 193315 194810 198030 198440 201720 203280 203401 203665 207460 208362 212520 214291 216890 217833 218284 221892 222180 222640 223608 226320 228206 231978 232760 233772 235340 238128 238579 244398 244904 248952 252560 256036 258874 260268 264040 270641 272855 277365 277816 279312 279510 282408 290444 292215 295856 296240 297660 303646 306130 309304 311190 311696 316848 319440 320045 325335 325864 327426 333960 342309 347024 347270 349140 353010 363055 367356 369820 372680 378840 381997 384054 386630 388311 389620 396060 396880 403440 406802 407330 414920 416724 425040 425293 428582 433780 435666 436568 443784 444360 447216 448063 455469 456412 459195 463956 465520 467544 470680 477158 488796 489808 497904 512072 517748 520536 520905 528080 541282 545710 554730 555632 559020 564816 570515 579945 580888 584430 595320 607292 610203 610995 612260 618608 622380 640090 642873 647185 650670 651728 654852 667920 684618 694540 698280 704099 706020 715737 726110 734712 739640 745360 757680 759115 763994 768108 773260 776622 779240 792120 798721 811923 813604 814660 818565 829840 833448 850586 857164 867560 871332 873136 887568 888720 889249 896126 910938 912824 918390 927912 935088 941360 954316 960135 977592 1017005 1024144 1035496 1041072 1041810 1071455 1082564 1089165 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3520495 3556996 3578685 3584504 3643752 3673560 3765399 3817264 3819970 3840540 3883110 3993605 4059615 4068020 4167240 4224594 4252930 4271421 4285820 4330256 4356660 4365680 4437840 4446245 4474822 4480630 4554690 4564120 4583964 4639560 4675440 4678223 4771580 4792326 4881624 4887960 4928693 5010159 5020532 5103516 5120720 5142984 5177480 5205360 5248738 5335494 5376756 5412820 5476944 5632792 5695228 5725896 5729955 5808880 5954102 6072920 6102030 6111952 6212976 6224743 6275665 6379395 6389768 6428730 6495384 6548520 6680212 6712233 6720945 6804688 6846180 7040990 7113992 7119035 7157370 7169008 7287504 7347120 7530798 7639940 7681080 7766220 7873107 7987210 8119230 8136040 8334480 8350265 8449188 8505860 8542842 8571640 8713320 8785931 8892490 8931153 8949644 8961260 9109380 9128240 9167928 9279120 9356446 9543160 9584652 9763248 9775920 9781739 9857386 10020318 10041064 10207032 10285968 10354960 10497476 10561485 10670988 10753512 10825640 11187055 11265584 11390456 11451792 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36437520 36741166 37348458 37425784 37653990 38338608 39126956 39365535 39429544 40081272 41989904 42245940 42683952 42714210 43929655 44655765 44748220 45839640 46782230 46985631 47632816 47923260 48816240 48908695 49286930 49797944 50101590 50205320 51035160 51429840 51460453 52487380 52715586 53354940 53697864 53767560 55111749 56138676 56327920 56952280 57258960 57736118 58690434 59144316 59541020 60246384 62247430 62647508 62984856 63897680 64953840 65495122 66802120 67122330 68342736 68472173 70173345 70287448 71139920 71449224 73482332 73930395 74696916 74851568 75307980 78253912 78309385 78731070 78859088 80162544 84491880 85428420 86604177 87859310 89311530 89496440 91679280 91852915 93371145 93564460 93971262 95846520 97817390 98242683 98573860 99595888 100203180 100410640 102070320 102920906 104974760 105431172 106709880 107395728 107535120 107599129 110223498 112277352 113904560 115472236 117380868 118288632 119082040 124494860 125295016 125969712 130990244 131788965 133604240 134244660 136944346 140346690 140574896 142898448 144340295 146726085 146964664 147860790 149393832 150615960 154381359 156507824 156618770 157462140 163737805 168983760 170856840 173208354 175718620 178623060 178992880 183705830 186742290 187128920 187942524 191693040 195634780 196485366 197147720 200406360 202076413 205416519 205841812 209949520 210862344 213419760 215198258 220446996 224554704 230944472 234761736 234928155 236577264 238164080 248989720 250590032 257302265 261980488 263577930 268489320 273888692 275558745 280693380 288680590 293452170 293929328 295721580 298787664 301231920 308762718 313237540 314924280 322797387 327475610 341713680 342360865 346416708 351437240 357246120 360223171 367411660 373484580 374257840 375885048 391269560 392970732 394295440 400812720 404152826 410833038 411683624 421724688 430396516 433020885 440893992 461888944 469523472 469856310 491213415 497979440 514604530 523960976 527155860 536978640 537995645 547777384 551117490 561386760 577361180 586904340 591443160 606229239 617525436 626475080 629848560 645594774 654951220 684721730 692833416 702874480 714492240 720446342 734823320 746969160 751770096 753193903 771906795 782539120 785941464 808305652 821666076 823367248 860793032 866041770 881787984 939712620 982426830 1010382065 1027082595 1029209060 1054311720 1075991290 1080669513 1095554768 1102234980 1122773520 1154722360 1173808680 1182886320 1183590419 1212458478 1235050872 1252950160 1291189548 1309902440 1369443460 1385666832 1440892684 1469646640 1493938320 1506387806 1543813590 1571882928 1613986935 1616611304 1643332152 1721586064 1732083540 1801115855 1879425240 1964853660 2020764130 2054165190 2058418120 2108623440 2151982580 2161339026 2204469960 2259581709 2309444720 2347617360 2367180838 2424916956 2470101744 2582379096 2619804880 2738886920 2881785368 3012775612 3031146195 3087627180 3227973870 3233222608 3286664304 3464167080 3550771257 3602231710 3758850480 3765969515 3929707320 4041528260 4108330380 4116836240 4303965160 4322678052 4408939920 4519163418 4734361676 4849833912 5164758192 5403347565 5477773840 5763570736 5917952095 6025551224 6062292390 6175254360 6455947740 6928334160 7101542514 7204463420 7531939030 7859414640 8083056520 8216660760 8285132933 8607930320 8645356104 9038326836 9468723352 9699667824 10806695130 11297908545 11835904190 12051102448 12124584780 12350508720 12911895480 14203085028 14408926840 15063878060 16166113040 16433321520 16570265866 17290712208 17753856285 18076653672 18937446704 21613390260 22595817090 23671808380 24249169560 24855398799 25823790960 28406170056 28817853680 30127756120 33140531732 35507712570 36153307344 41425664665 43226780520 45191634180 47343616760 48498339120 49710797598 56812340112 60255512240 66281063464 71015425140 82851329330 86453561040 90383268360 94687233520 99421595196 124276993995 132562126928 142030850280 165702658660 180766536720 198843190392 248553987990 284061700560 331405317320 397686380784 497107975980 662810634640 994215951960 1988431903920
• Sum of all divisors σ(n): 8302605599232
• Sum of proper divisors (its aliquot sum) s(n): 6314173695312
• 1988431903920 is an abundant number, because the sum of its proper divisors (6314173695312) is greater than itself. Its abundance is 4325741791392

Bases of 1988431903920

• Binary: 11100111011110111110001101111110010110000₂
• Hexadecimal: 0x1CEF7C6FCB0
• Base-36: PDH10KHC

Squares and roots of 1988431903920

• 1988431903920 squared (1988431903920²) is 3953861436526916111366400
• 1988431903920 cubed (1988431903920³) is 7861984224069082035650413504716288000
• The square root of 1988431903920 is 1410117.6915137261
• The cube root of 1988431903920 is 12574.8720339113

Scales and comparisons

• 1,988,431,903,920 seconds is equal to 63,225 years, 51 weeks, 1 day, 3 hours, 32 minutes.
• To count from 1 to 1,988,431,903,920 would take you about one hundred fifty-eight thousand and sixty-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 1988431903920 cubic inches would be around 1047.9 feet tall.

Recreational maths with 1988431903920

• 1988431903920 backwards is 0293091348891
• The number of decimal digits it has is: 13
• The sum of 1988431903920's digits is 57
• More coming soon!