18736854377121979

Names of 18736854377121979

• Cardinal: 18736854377121979 can be written as Eighteen quadrillion, seven hundred thirty-six trillion, eight hundred fifty-four billion, three hundred seventy-seven million, one hundred twenty-one thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.8736854377121979 × 10¹⁶

Factors of 18736854377121979

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 86

Divisors of 18736854377121979

• Number of divisors d(n): 270
• Complete list of divisors:
  1 7 17 19 43 49 119 133 289 301 323 361 731 817 833 931 1849 2023 2107 2261 2527 4913 5117 5491 5719 6137 6859 12427 12943 13889 14161 15523 15827 17689 31433 34391 35131 35819 38437 40033 42959 48013 83521 86989 90601 93347 97223 104329 108661 116603 130321 211259 220031 236113 240737 245917 263891 269059 294937 300713 336091 534361 584647 597227 608923 653429 667489 680561 730303 760627 816221 912247 1478813 1540217 1586899 1652791 1721419 1773593 1847237 1982251 2064559 2215457 2476099 3591403 3740527 4013921 4092529 4180589 4486147 4574003 4672423 5013929 5112121 5603803 5713547 6385729 9084137 10152859 10351691 11108293 11347313 11569537 12415151 12682291 12930659 13875757 14451913 15508199 17332693 25139821 26183689 28097447 29264123 30151081 31403029 32706961 33698267 35097503 37662769 39226621 42093683 63588959 68236657 71070013 76264499 77758051 79431191 85236793 86906057 88776037 95264651 97130299 106472257 108557393 121328851 154430329 172598603 175978747 192904321 196682129 211057567 215598947 219821203 235887869 240963529 245682521 263639383 274586347 294655781 445122713 477656599 497490091 533851493 556018337 572870539 596657551 621432259 640267073 666852557 715592611 745305799 1081012303 1208190221 1296496483 1350330247 1449025481 1477402969 1509192629 1619499067 1651215083 1686744703 1810028369 1845475681 2062590467 2934176251 3279373457 3343596193 3665182099 3736960451 4010093773 4096379993 4176602857 4481869511 4578307051 4667967899 5009148277 5217140593 7567086121 8457331547 9075475381 9452311729 10143178367 10564348403 10884540241 11336493469 11807212921 12165074387 12670198583 20539233757 22955614199 24633433177 25656274693 27531484139 28070656411 28674659951 30770482273 31373086577 32048149357 35064037939 55749348769 62308095683 63528327667 69638459881 71002248569 76191781687 77831219867 79355454283 85155520709 88691390081 143774636299 160689299393 172434032239 179593922851 192720388973 200722619657 206806264579 215393375911 224337045499 390245441383 436156669781 468035230363 487469219167 523098198641 533342471809 544818539069 596088644963 1059237626611 1183853817977 1207038225673 1323130737739 1349042722811 1447643852053 1507753631377 2731718089681 3053096688467 3276246612541 3412284534169 3661687390487 3813729773483 7414663386277 8286976725839 8892669376897 9261915164173 10133506964371 20125514905609 22493222541563 22933726287787 25631811733409 51902643703939 58008837080873 62248685638279 64833406149211 140878604339263 157452557790941 382384783206571 435740799467953 986150230374841 1102167904536587 2676693482445997 18736854377121979
• Sum of all divisors σ(n): 25026428681076060
• Sum of proper divisors (its aliquot sum) s(n): 6289574303954081
• 18736854377121979 is a deficient number, because the sum of its proper divisors (6289574303954081) is less than itself. Its deficiency is 12447280073167898

Bases of 18736854377121979

• Binary: 1000010100100010001000111011101010110110100100010111011₂
• Hexadecimal: 0x429111DD5B48BB
• Base-36: 54HNS2KW797

Squares and roots of 18736854377121979

• 18736854377121979 squared (18736854377121979²) is 351069711949475063649119044876441
• 18736854377121979 cubed (18736854377121979³) is 6577942069015474181580234786976058867007240396739
• The square root of 18736854377121979 is 136882629.9320771343
• The cube root of 18736854377121979 is 265602.5419636631

Scales and comparisons

• 18,736,854,377,121,979 seconds is equal to 595,774,012 years, 15 weeks, 2 days, 22 hours, 46 minutes, 19 seconds.
• To count from 1 to 18,736,854,377,121,979 would take you about one billion, seven hundred eighty-seven million, three hundred twenty-two thousand and thirty-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 18736854377121979 cubic inches would be around 22133.5 feet tall.

Recreational maths with 18736854377121979

• 18736854377121979 backwards is 97912177345863781
• The number of decimal digits it has is: 17
• The sum of 18736854377121979's digits is 88
• More coming soon!