18391843541799

Names of 18391843541799

• Cardinal: 18391843541799 can be written as Eighteen trillion, three hundred ninety-one billion, eight hundred forty-three million, five hundred forty-one thousand, seven hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8391843541799 × 10¹³

Factors of 18391843541799

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 693

Divisors of 18391843541799

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 53 63 91 117 147 159 189 273 351 371 441 477 617 637 689 819 1113 1323 1431 1851 1911 2067 2457 2597 2809 3339 4319 4823 5553 5733 6201 7791 8021 8427 10017 12957 14469 16659 17199 18603 19663 23373 24063 25281 30233 32701 33761 36517 38871 43407 56147 58989 70119 72189 75843 90699 98103 101283 109551 116613 130221 137641 168441 176967 216567 228907 255619 272097 294309 303849 328653 380689 393029 412923 425113 505323 530901 686721 766857 816291 882927 911547 985959 1142067 1179087 1238769 1275339 1515969 1602349 1733153 1789333 2060163 2300571 2664823 2975791 3426201 3537261 3716307 3826017 4807047 4948957 5199459 5367999 6180489 6901713 7994469 8927373 10278603 10611783 11478051 12132071 14421141 14846871 15598377 16103997 18653761 20176517 20830537 22530989 23983407 26782119 34642699 36396213 43263423 44540613 46795131 48311991 55961283 60529551 62491611 67592967 71950221 80346357 84924497 103928097 109188639 133621839 141235619 157716923 167883849 181588653 187474833 202778901 242498893 254773491 262294721 311784291 327565917 423706857 473150769 503651547 544765959 562424499 608336703 727496679 764320473 786884163 935352873 988649333 1069355401 1104018461 1271120571 1419452307 1836063047 2182490037 2292961419 2360652489 2965947999 3208066203 3312055383 3813361713 4258356921 5508189141 6547470111 7081957467 7485487807 8897843997 9624198609 9936166149 12852441329 13901620213 16524567423 22456463421 26693531991 28872595827 29808498447 38557323987 41704860639 49573702269 52398414649 67369390263 97311341491 115671971961 125114581917 157195243947 202108170789 291934024473 347015915883 375343745751 471585731841 681179390437 875802073419 1414757195523 2043538171311 2627406220257 6130614513933 18391843541799
• Sum of all divisors σ(n): 34846487556720
• Sum of proper divisors (its aliquot sum) s(n): 16454644014921
• 18391843541799 is a deficient number, because the sum of its proper divisors (16454644014921) is less than itself. Its deficiency is 1937199526878

Bases of 18391843541799

• Binary: 100001011101000101111010011010001001100100111₂
• Hexadecimal: 0x10BA2F4D1327
• Base-36: 6IP3GS4RR

Squares and roots of 18391843541799

• 18391843541799 squared (18391843541799²) is 338259908866013584660156401
• 18391843541799 cubed (18391843541799³) is 6221223320326910248634099037925120905399
• The square root of 18391843541799 is 4288571.2704581465
• The cube root of 18391843541799 is 26396.2209264837

Scales and comparisons

• 18,391,843,541,799 seconds is equal to 584,803 years, 38 weeks, 1 day, 12 hours, 16 minutes, 39 seconds.
• To count from 1 to 18,391,843,541,799 would take you about one million, four hundred sixty-two 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 18391843541799 cubic inches would be around 2199.7 feet tall.

Recreational maths with 18391843541799

• 18391843541799 backwards is 99714534819381
• The number of decimal digits it has is: 14
• The sum of 18391843541799's digits is 72
• More coming soon!