18211356584002218

Names of 18211356584002218

• Cardinal: 18211356584002218 can be written as Eighteen quadrillion, two hundred eleven trillion, three hundred fifty-six billion, five hundred eighty-four million, two thousand, two hundred eighteen.

Scientific notation

• Scientific notation: 1.8211356584002218 × 10¹⁶

Factors of 18211356584002218

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 40227632

Divisors of 18211356584002218

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 61 78 91 122 182 183 273 366 427 546 793 854 1281 1586 2379 2562 4758 5551 11102 13597 16653 27194 33306 40791 81582 95179 176761 190358 285537 353522 530283 571074 829417 1060566 1237327 1658834 2474654 2488251 3711981 4976502 5805919 7423962 10782421 11611838 17417757 21564842 32347263 34835514 40213949 64694526 75476947 80427898 120641847 150953894 226430841 241283694 281497643 452861682 522781337 562995286 844492929 1045562674 1568344011 1688985858 2453050889 3136688022 3659469359 4906101778 7318938718 7359152667 10978408077 14718305334 17171356223 21956816154 31889661557 34342712446 51514068669 63779323114 95668984671 103028137338 191337969342 223227630899 446455261798 546789064553 669682892697 1093578129106 1339365785394 1640367193659 3280734387318 3827523451871 7108257839189 7655046903742 11482570355613 14216515678378 21324773517567 22965140711226 33354132937733 42649547035134 49757804874323 66708265875466 99515609748646 100062398813199 149273414622969 200124797626398 233478930564131 298546829245938 433603728190529 466957861128262 700436791692393 867207456381058 1300811184571587 1400873583384786 2601622369143174 3035226097333703 6070452194667406 9105678292001109 18211356584002218
• Sum of all divisors σ(n): 45566191252108800
• Sum of proper divisors (its aliquot sum) s(n): 27354834668106582
• 18211356584002218 is an abundant number, because the sum of its proper divisors (27354834668106582) is greater than itself. Its abundance is 9143478084104364

Bases of 18211356584002218

• Binary: 1000000101100110010000111100000000100010100001010101010₂
• Hexadecimal: 0x40B321E01142AA
• Base-36: 4ZBDXPUTL7U

Squares and roots of 18211356584002218

• 18211356584002218 squared (18211356584002218²) is 331653508629680934633806628919524
• 18211356584002218 cubed (18211356584002218³) is 6039860307990576314244788612869435986648959504232
• The square root of 18211356584002218 is 134949459.3690623793
• The cube root of 18211356584002218 is 263095.9115841093

Scales and comparisons

• 18,211,356,584,002,218 seconds is equal to 579,064,807 years, 49 weeks, 1 day, 14 hours, 50 minutes, 18 seconds.
• To count from 1 to 18,211,356,584,002,218 would take you about one billion, seven hundred thirty-seven million, one hundred ninety-four thousand, four hundred twenty-three 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 18211356584002218 cubic inches would be around 21924.7 feet tall.

Recreational maths with 18211356584002218

• 18211356584002218 backwards is 81220048565311281
• The number of decimal digits it has is: 17
• The sum of 18211356584002218's digits is 57
• More coming soon!