1998538205580

Names of 1998538205580

• Cardinal: 1998538205580 can be written as One trillion, nine hundred ninety-eight billion, five hundred thirty-eight million, two hundred five thousand, five hundred eighty.

Scientific notation

• Scientific notation: 1.99853820558 × 10¹²

Factors of 1998538205580

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 497

Divisors of 1998538205580

• Number of divisors d(n): 792
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 23 27 28 30 35 36 42 45 46 54 60 63 69 70 81 84 90 92 105 108 115 126 135 138 140 161 162 180 189 207 210 230 243 252 270 276 315 322 324 345 378 405 414 420 457 460 483 486 529 540 567 621 630 644 690 729 756 805 810 828 914 945 966 972 1035 1058 1134 1215 1242 1260 1371 1380 1449 1458 1587 1610 1620 1701 1828 1863 1890 1932 2070 2116 2187 2268 2285 2415 2430 2484 2645 2742 2835 2898 2916 3105 3174 3199 3220 3402 3645 3703 3726 3780 4113 4140 4347 4374 4570 4761 4830 4860 5103 5290 5484 5589 5670 5796 6210 6348 6398 6561 6804 6855 7245 7290 7406 7452 7935 8226 8505 8694 8748 9140 9315 9522 9597 9660 10206 10511 10580 10935 11109 11178 11340 12339 12420 12796 13041 13122 13710 14283 14490 14580 14812 15309 15870 15995 16452 16767 17010 17388 18515 18630 19044 19194 19683 20412 20565 21022 21735 21870 22218 22356 23805 24678 25515 26082 26244 27420 27945 28566 28791 28980 30618 31533 31740 31990 32805 33327 33534 34020 37017 37030 37260 38388 39123 39366 41130 42044 42849 43470 43740 44436 45927 47610 47985 49356 50301 51030 52164 52555 55545 55890 57132 57582 59049 61236 61695 63066 63980 65205 65610 66654 67068 71415 73577 74034 74060 76545 78246 78732 82260 83835 85698 86373 86940 91854 94599 95220 95970 98415 99981 100602 102060 105110 111051 111090 111780 115164 117369 118098 123390 126132 128547 130410 131220 133308 137781 142830 143955 147154 148068 150903 153090 156492 157665 166635 167670 171396 172746 183708 185085 189198 191940 195615 196830 199962 201204 210220 214245 220731 222102 222180 229635 234738 236196 241753 246780 251505 257094 259119 260820 275562 283797 285660 287910 294308 295245 299943 301806 306180 315330 333153 333270 335340 345492 352107 367885 370170 378396 385641 391230 393660 399924 413343 428490 431865 441462 444204 452709 459270 469476 472995 483506 499905 503010 514188 518238 551124 555255 567594 575820 586845 590490 599886 603612 630660 642735 662193 666306 666540 688905 704214 725259 735770 740340 754515 771282 777357 782460 826686 851391 856980 863730 882924 899829 905418 918540 945990 967012 999459 999810 1006020 1036476 1056321 1103655 1110510 1135188 1156923 1173690 1180980 1199772 1208765 1285470 1295595 1324386 1332612 1358127 1377810 1408428 1418985 1450518 1471540 1499715 1509030 1542564 1554714 1653372 1665765 1692271 1702782 1727460 1760535 1799658 1810836 1891980 1928205 1986579 1998918 1999620 2066715 2112642 2175777 2207310 2221020 2263545 2313846 2332071 2347380 2417530 2554173 2570940 2591190 2648772 2699487 2716254 2755620 2837970 2901036 2998377 2999430 3018060 3109428 3168963 3310965 3331530 3384542 3405564 3470769 3521070 3599316 3626295 3856410 3886785 3973158 3997836 4133430 4225284 4256955 4351554 4414620 4499145 4527090 4627692 4664142 4835060 4997295 5076813 5108346 5182380 5281605 5398974 5432508 5675940 5784615 5959737 5996754 5998860 6337926 6527331 6621930 6663060 6769084 6790635 6941538 6996213 7042140 7252590 7662519 7712820 7773570 7946316 8098461 8266860 8461355 8513910 8703108 8995131 8998290 9054180 9328284 9506889 9932895 9994590 10153626 10216692 10412307 10563210 10797948 10878885 11569230 11660355 11919474 11993508 12675852 12770865 13054662 13243860 13497435 13581270 13883076 13992426 14505180 14991885 15230439 15325038 15547140 15844815 16196922 16922710 17027820 17353845 17879211 17990262 17996580 19013778 19581993 19865790 19989180 20307252 20824614 20988639 21126420 21757770 22987557 23138460 23320710 23838948 24295383 25384065 25541730 26109324 26985393 26994870 27162540 27984852 29798685 29983770 30460878 30650076 31236921 31689630 32393844 32636655 33845420 34707690 34981065 35758422 35980524 38027556 38312595 39163986 39731580 40492305 41649228 41977278 43515540 44975655 45691317 45975114 46641420 47534445 48590766 50768130 51083460 52061535 53637633 53970786 53989740 58745979 59597370 59967540 60921756 62473842 62965917 63379260 65273310 68962671 69415380 69962130 71516844 72886149 76152195 76625190 78327972 80984610 83954556 89396055 89951310 91382634 91950228 95068890 97181532 97909965 101536260 104123070 104943195 107275266 107941572 114937785 117491958 119194740 121476915 124947684 125931834 130546620 134926965 137073951 137925342 139924260 145772298 152304390 153250380 156184605 160912899 161969220 176237937 178792110 179902620 182765268 188897751 190137780 195819930 206888013 208246140 209886390 214550532 218658447 228456585 229875570 234983916 242953830 251863668 268188165 269853930 274147902 275850684 291544596 293729895 304608780 312369210 314829585 321825798 344813355 352475874 357584220 364430745 377795502 391639860 411221853 413776026 419772780 437316894 456913170 459751140 482738697 485907660 528713811 536376330 539707860 548295804 587459790 620664039 624738420 629659170 643651596 685369755 689626710 704951748 728861490 755591004 804564495 822443706 827552052 874633788 881189685 913826340 944488755 965477394 1034440065 1057427622 1072752660 1093292235 1174919580 1233665559 1241328078 1259318340 1370739510 1379253420 1448216091 1457722980 1586141433 1609128990 1644887412 1762379370 1888977510 1930954788 2056109265 2068880130 2114855244 2186584470 2413693485 2467331118 2482656156 2643569055 2741479020 2896432182 3103320195 3172282866 3218257980 3524758740 3700996677 3777955020 4112218530 4137760260 4344648273 4373168940 4758424299 4827386970 4934662236 5287138110 5792864364 6168327795 6206640390 6344565732 7241080455 7401993354 7930707165 8224437060 8689296546 9516848598 9654773940 10574276220 11102990031 12336655590 12413280780 14275272897 14482160910 14803986708 15861414330 17378593092 18504983385 19033697196 21723241365 22205980062 23792121495 24673311180 28550545794 28964321820 31722828660 33308970093 37009966770 43446482730 44411960124 47584242990 55514950155 57101091588 66617940186 71376364485 74019933540 86892965460 95168485980 99926910279 111029900310 133235880372 142752728970 166544850465 199853820558 222059800620 285505457940 333089700930 399707641116 499634551395 666179401860 999269102790 1998538205580
• Sum of all divisors σ(n): 7537567968672
• Sum of proper divisors (its aliquot sum) s(n): 5539029763092
• 1998538205580 is an abundant number, because the sum of its proper divisors (5539029763092) is greater than itself. Its abundance is 3540491557512

Bases of 1998538205580

• Binary: 11101000101010010001010001110100110001100₂
• Hexadecimal: 0x1D15228E98C
• Base-36: PI461OR0

Squares and roots of 1998538205580

• 1998538205580 squared (1998538205580²) is 3994154959162926343136400
• 1998538205580 cubed (1998538205580³) is 7982471284893932992673532205181112000
• The square root of 1998538205580 is 1413696.6455290187
• The cube root of 1998538205580 is 12596.1401748627

Scales and comparisons

• 1,998,538,205,580 seconds is equal to 63,547 years, 17 weeks, 2 days, 5 hours, 33 minutes.
• To count from 1 to 1,998,538,205,580 would take you about one hundred fifty-eight thousand, eight hundred sixty-eight 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 1998538205580 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998538205580

• 1998538205580 backwards is 0855028358991
• 1998538205580 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1998538205580's digits is 63
• More coming soon!