18972364578090

Names of 18972364578090

• Cardinal: 18972364578090 can be written as Eighteen trillion, nine hundred seventy-two billion, three hundred sixty-four million, five hundred seventy-eight thousand and ninety.

Scientific notation

• Scientific notation: 1.897236457809 × 10¹³

Factors of 18972364578090

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 876910

Divisors of 18972364578090

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 17 19 21 22 29 30 33 34 35 38 42 51 55 57 58 66 70 77 85 87 95 102 105 110 114 119 133 145 154 165 170 174 187 190 203 209 210 231 238 255 266 285 290 319 323 330 357 374 385 399 406 418 435 462 493 510 551 561 570 595 609 627 638 646 665 714 770 798 870 935 957 969 986 1015 1045 1102 1122 1155 1190 1218 1254 1309 1330 1463 1479 1595 1615 1653 1785 1870 1914 1938 1995 2030 2090 2233 2261 2310 2465 2618 2755 2805 2926 2958 3045 3135 3190 3230 3306 3451 3553 3570 3857 3927 3990 4389 4466 4522 4785 4845 4930 5423 5510 5610 6061 6090 6270 6545 6699 6783 6902 7106 7315 7395 7714 7854 8265 8778 9367 9570 9690 10353 10659 10846 11165 11305 11571 12122 13090 13398 13566 14630 14790 16269 16530 17255 17765 18183 18734 19285 19635 20706 21318 21945 22330 22610 23142 24871 27115 28101 30305 32538 33495 33915 34510 35530 36366 37961 38570 39270 42427 43890 46835 49742 51765 53295 54230 56202 57855 60610 65569 66990 67830 74613 75922 81345 84854 90915 93670 103037 103530 106590 113883 115710 124355 127281 131138 140505 149226 162690 181830 189805 196707 206074 212135 227766 248710 254562 281010 309111 327845 373065 379610 393414 424270 515185 569415 618222 636405 655690 721259 746130 876817 983535 1030370 1138830 1272810 1442518 1545555 1753634 1967070 2163777 2630451 3091110 3606295 4327554 4384085 5260902 6137719 7212590 8768170 9644987 10818885 12275438 13152255 14905889 16659523 18413157 19289974 21637770 25427693 26304510 28934961 29811778 30688595 33319046 36826314 44717667 48224935 49978569 50855386 57869922 61377190 67514909 74529445 76283079 83297615 89435334 92065785 96449870 99957138 104341223 116616661 127138465 135029818 144674805 149058890 152566158 163964779 166595230 177993851 183254753 184131570 202544727 208682446 223588335 233233322 249892845 254276930 279704623 283211891 289349610 313023669 327929558 337574545 349849983 355987702 366509506 381415395 405089454 432270781 447176670 483126167 491894337 499785690 521706115 533981553 549764259 559409246 566423782 583083305 626047338 675149090 699699966 762830790 819823895 839113869 849635673 864541562 889969255 916273765 966252334 983788674 1012723635 1043412230 1067963106 1099528518 1147753453 1166166610 1282783271 1296812343 1398523115 1416059455 1449378501 1565118345 1639647790 1678227738 1699271346 1749249915 1779938510 1832547530 1957932361 1982483237 2025447270 2161353905 2295506906 2415630835 2459471685 2565566542 2593624686 2669907765 2748821295 2797046230 2832118910 2898757002 3025895467 3115330801 3130236690 3381883169 3443260359 3498499830 3848349813 3915864722 3964966474 4195569345 4248178365 4322707810 4754978591 4831261670 4918943370 5314387837 5339815530 5497642590 5738767265 5873797083 5947449711 6051790934 6230661602 6413916355 6484061715 6763766338 6886520718 7246892505 7696699626 8213144839 8391138690 8496356730 9077686401 9345992403 9509957182 9789661805 9912416185 10145649507 10628775674 11477534530 11747594166 11894899422 12827832710 12968123430 14264935773 14493785010 15129477335 15576654005 15943163511 16426289678 16909415845 17216301795 18155372802 18691984806 19241749065 19579323610 19824832370 20291299014 21807315607 23774892955 24639434517 26571939185 28529871546 29368985415 29737248555 30258954670 31153308010 31886327022 33284850137 33818831690 34432603590 37200714859 38483498130 41065724195 43614631214 45388432005 46729962015 47549785910 49278869034 50728247535 53143878370 57492013873 58737970830 59474497110 65421946821 66569700274 71324678865 74401429718 79715817555 82131448390 90344593229 90776864010 93459924030 99854550411 101456495070 109036578035 111602144577 114984027746 123197172585 130843893642 142649357730 159431635110 166424250685 172476041619 180689186458 186003574295 199709100822 218073156070 223204289154 246394345170 271033779687 287460069365 327109734105 332848501370 344952083238 372007148590 451722966145 499272752055 542067559374 558010722885 574920138730 632412152603 654219468210 862380208095 903445932290 998545504110 1116021445770 1264824305206 1355168898435 1724760416190 1897236457809 2710337796870 3162060763015 3794472915618 6324121526030 9486182289045 18972364578090
• Sum of all divisors σ(n): 65454112972800
• Sum of proper divisors (its aliquot sum) s(n): 46481748394710
• 18972364578090 is an abundant number, because the sum of its proper divisors (46481748394710) is greater than itself. Its abundance is 27509383816620

Bases of 18972364578090

• Binary: 100010100000101011001000011010001110100101010₂
• Hexadecimal: 0x1141590D1D2A
• Base-36: 6Q3S80N56

Squares and roots of 18972364578090

• 18972364578090 squared (18972364578090²) is 359950617683964143708048100
• 18972364578090 cubed (18972364578090³) is 6829114348808857274300230118893926129000
• The square root of 18972364578090 is 4355727.7897143665
• The cube root of 18972364578090 is 26671.0729456439

Scales and comparisons

• 18,972,364,578,090 seconds is equal to 603,262 years, 26 weeks, 2 days, 23 hours, 41 minutes, 30 seconds.
• To count from 1 to 18,972,364,578,090 would take you about one million, five hundred eight thousand, one hundred fifty-six 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 18972364578090 cubic inches would be around 2222.6 feet tall.

Recreational maths with 18972364578090

• 18972364578090 backwards is 09087546327981
• The number of decimal digits it has is: 14
• The sum of 18972364578090's digits is 69
• More coming soon!