18345449422313445708

Names of 18345449422313445708

• Cardinal: 18345449422313445708 can be written as Eighteen quintillion, three hundred forty-five quadrillion, four hundred forty-nine trillion, four hundred twenty-two billion, three hundred thirteen million, four hundred forty-five thousand, seven hundred eight.

Scientific notation

• Scientific notation: 1.8345449422313445708 × 10¹⁹

Factors of 18345449422313445708

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1079

Divisors of 18345449422313445708

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 167 243 324 334 486 501 668 907 972 1002 1503 1814 2004 2721 3006 3628 4509 5442 6012 8163 9018 10884 13527 16326 18036 24489 27054 27889 32652 40581 48978 54108 55778 73467 81162 83667 97956 111556 146934 151469 162324 167334 220401 251001 293868 302938 334668 440802 454407 502002 605876 753003 822649 881604 908814 1004004 1363221 1506006 1645298 1817628 2259009 2467947 2726442 3012012 3290596 4089663 4518018 4935894 5452884 6777027 7403841 8179326 9036036 9871788 12268989 13554054 14807682 16358652 22211523 24537978 25295323 27108108 29615364 36806967 44423046 49075956 50590646 66634569 73613934 75885969 88846092 101181292 133269138 137382383 147227868 151771938 199903707 227657907 266538276 274764766 303543876 399807414 412147149 455315814 549529532 682973721 746142643 799614828 824294298 910631628 1236441447 1365947442 1492285286 1648588596 2048921163 2238427929 2472882894 2731894884 2984570572 3709324341 4097842326 4476855858 4945765788 6146763489 6715283787 7418648682 8195684652 8953711716 11127973023 12293526978 13430567574 14837297364 20145851361 22255946046 22942857961 24587053956 26861135148 33383919069 40291702722 44511892092 45885715922 60437554083 66767838138 68828573883 80583405444 91771431844 120875108166 124605821381 133535676276 137657147766 181312662249 206485721649 241750216332 249211642762 275314295532 362625324498 373817464143 412971443298 498423285524 619457164947 676751377201 725250648996 747634928286 825942886596 1121452392429 1238914329894 1353502754402 1495269856572 1858371494841 2030254131603 2242904784858 2477828659788 2707005508804 3364357177287 3716742989682 4060508263206 4485809569716 5575114484523 6090762394809 6728714354574 7433485979364 8121016526412 10093071531861 11150228969046 12181524789618 13457428709148 18272287184427 20186143063722 20809172170627 22300457938092 24363049579236 30279214595583 36544574368854 40372286127444 41618344341254 54816861553281 60558429191166 62427516511881 73089148737708 83236688682508 109633723106562 113017479992567 121116858382332 124855033023762 164450584659843 187282549535643 219267446213124 226034959985134 249710066047524 328901169319686 339052439977701 374565099071286 452069919970268 561847648606929 657802338639372 678104879955402 749130198142572 1017157319933103 1123695297213858 1356209759910804 1685542945820787 2034314639866206 2247390594427716 3051471959799309 3371085891641574 4068629279732412 5056628837462361 6102943919598618 6742171783283148 9154415879397927 10113257674924722 12205887839197236 18308831758795854 18873919158758689 20226515349849444 27463247638193781 36617663517591708 37747838317517378 54926495276387562 56621757476276067 75495676635034756 109852990552775124 113243514952552134 169865272428828201 226487029905104268 339730544857656402 509595817286484603 679461089715312804 1019191634572969206 1528787451859453809 2038383269145938412 3057574903718907618 4586362355578361427 6115149807437815236 9172724711156722854 18345449422313445708
• Sum of all divisors σ(n): 48433838961003131636
• Sum of proper divisors (its aliquot sum) s(n): 30088389538689685928
• 18345449422313445708 is an abundant number, because the sum of its proper divisors (30088389538689685928) is greater than itself. Its abundance is 11742940116376240220

Bases of 18345449422313445708

• Binary: 1111111010011000001000010000110100011101111000110101100101001100₂
• Hexadecimal: 0xFE98210D1DE3594C
• Base-36: 3VDON2LQ9Y0R0

Squares and roots of 18345449422313445708

• 18345449422313445708 squared (18345449422313445708²) is 336555514506660738849412209763863621264
• 18345449422313445708 cubed (18345449422313445708³) is 6174262169182623748200886714656671742677754454990538334912
• The square root of 18345449422313445708 is 4283158813.5759623859
• The cube root of 18345449422313445708 is 2637400.7083066467

Scales and comparisons

• 18,345,449,422,313,445,708 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,345,449,422,313,445,708 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18345449422313445708 cubic inches would be around 219783.4 feet tall.

Recreational maths with 18345449422313445708

• 18345449422313445708 backwards is 80754431322494454381
• 18345449422313445708 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 18345449422313445708's digits is 81
• More coming soon!