18906742742363820

Names of 18906742742363820

• Cardinal: 18906742742363820 can be written as Eighteen quadrillion, nine hundred six trillion, seven hundred forty-two billion, seven hundred forty-two million, three hundred sixty-three thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.890674274236382 × 10¹⁶

Factors of 18906742742363820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 30166

Divisors of 18906742742363820

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 53 54 60 81 90 106 108 135 159 162 180 212 243 265 270 318 324 405 477 486 530 540 636 729 795 810 954 972 1060 1215 1431 1458 1590 1620 1908 2187 2385 2430 2862 2916 3180 3645 4293 4374 4770 4860 5724 6561 7155 7290 8586 8748 9540 10935 12879 13122 14310 14580 17172 19683 21465 21870 25758 26244 28620 30103 32805 38637 39366 42930 43740 51516 60206 64395 65610 77274 78732 85860 90309 98415 115911 120412 128790 131220 150515 154548 180618 193185 196830 231822 257580 270927 301030 347733 361236 386370 393660 451545 463644 541854 579555 602060 695466 772740 812781 903090 1043199 1083708 1159110 1354635 1390932 1595459 1625562 1738665 1806180 2086398 2318220 2438343 2709270 3190918 3251124 3477330 4063905 4172796 4786377 4876686 5215995 5418540 6381836 6954660 7315029 7977295 8127810 9572754 9753372 10431990 12191715 14359131 14630058 15954590 16255620 19145508 20863980 21945087 23931885 24383430 28718262 29260116 31909180 36575145 43077393 43890174 47863770 48766860 57436524 65835261 71795655 73150290 86154786 87780348 95727540 109725435 129232179 131670522 143591310 146300580 172309572 197505783 215386965 219450870 258464358 263341044 287182620 329176305 387696537 395011566 430773930 438901740 516928716 592517349 646160895 658352610 775393074 790023132 861547860 906190609 987528915 1163089611 1185034698 1292321790 1316705220 1550786148 1812381218 1938482685 1975057830 2326179222 2370069396 2584643580 2718571827 2962586745 3489268833 3624762436 3876965370 3950115660 4530953045 4652358444 5437143654 5815448055 5925173490 6978537666 7753930740 8155715481 9061906090 10467806499 10874287308 11630896110 11850346980 13592859135 13957075332 16311430962 17446344165 18123812180 20935612998 23261792220 24467146443 27185718270 31403419497 32622861924 34892688330 40778577405 41871225996 48028102277 48934292886 52339032495 54371436540 62806838994 69785376660 73401439329 81557154810 96056204554 97868585772 104678064990 122335732215 125613677988 144084306831 146802878658 157017097485 163114309620 192112409108 209356129980 220204317987 240140511385 244671464430 288168613662 293605757316 314034194970 367007196645 432252920493 440408635974 480281022770 489342928860 576337227324 628068389940 660612953961 720421534155 734014393290 864505840986 880817271948 960562045540 1101021589935 1296758761479 1321225907922 1440843068310 1468028786580 1729011681972 1981838861883 2161264602465 2202043179870 2593517522958 2642451815844 2881686136620 3303064769805 3890276284437 3963677723766 4322529204930 4404086359740 5187035045916 5945516585649 6483793807395 6606129539610 7780552568874 7927355447532 8645058409860 9909194309415 11670828853311 11891033171298 12967587614790 13212259079220 15561105137748 17836549756947 19451381422185 19818388618830 23341657706622 23782066342596 25935175229580 29727582928245 35012486559933 35673099513894 38902762844370 39636777237660 46683315413244 58354144266555 59455165856490 70024973119866 71346199027788 77805525688740 89182748784735 105037459679799 116708288533110 118910331712980 140049946239732 175062432799665 178365497569470 210074919359598 233416577066220 315112379039397 350124865599330 356730995138940 420149838719196 525187298398995 630224758078794 700249731198660 945337137118191 1050374596797990 1260449516157588 1575561895196985 1890674274236382 2100749193595980 3151123790393970 3781348548472764 4726685685590955 6302247580787940 9453371371181910 18906742742363820
• Sum of all divisors σ(n): 60680930429828016
• Sum of proper divisors (its aliquot sum) s(n): 41774187687464196
• 18906742742363820 is an abundant number, because the sum of its proper divisors (41774187687464196) is greater than itself. Its abundance is 22867444945100376

Bases of 18906742742363820

• Binary: 1000011001010111001010100010101000001001010111010101100₂
• Hexadecimal: 0x432B951504AEAC
• Base-36: 565VPPJ66R0

Squares and roots of 18906742742363820

• 18906742742363820 squared (18906742742363820²) is 357464921125926980852921244992400
• 18906742742363820 cubed (18906742742363820³) is 6758497303147275300866976472431572352513934968000
• The square root of 18906742742363820 is 137501791.7787394507
• The cube root of 18906742742363820 is 266402.8735180597

Scales and comparisons

• 18,906,742,742,363,820 seconds is equal to 601,175,936 years, 42 weeks, 1 day, 13 hours, 57 minutes.
• To count from 1 to 18,906,742,742,363,820 would take you about one billion, eight hundred three million, five hundred twenty-seven thousand, eight hundred ten 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 18906742742363820 cubic inches would be around 22200.2 feet tall.

Recreational maths with 18906742742363820

• 18906742742363820 backwards is 02836324724760981
• The number of decimal digits it has is: 17
• The sum of 18906742742363820's digits is 72
• More coming soon!