18106984665

Names of 18106984665

• Cardinal: 18106984665 can be written as Eighteen billion, one hundred six million, nine hundred eighty-four thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 1.8106984665 × 10¹⁰

Factors of 18106984665

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3309

Divisors of 18106984665

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 9 11 15 17 21 33 35 45 51 55 63 77 85 97 99 105 119 153 165 187 231 255 291 315 357 385 485 495 561 595 679 693 765 873 935 1067 1071 1155 1309 1455 1649 1683 1785 2037 2805 3169 3201 3395 3465 3927 4365 4947 5335 5355 6111 6545 7469 8245 8415 9507 9603 10185 11543 11781 14841 15845 16005 18139 19635 22183 22407 24735 28521 30555 34629 34859 37345 47535 48015 53873 54417 57715 58905 66549 67221 74205 90695 103887 104577 110915 112035 126973 142605 161619 163251 173145 174295 199647 244013 269365 272085 307393 313731 332745 336105 377111 380919 484857 519435 522885 592603 634865 732039 808095 816255 922179 998235 1131333 1142757 1220065 1536965 1568655 1777809 1885555 1904595 2151751 2196117 2424285 2766537 2963015 3381323 3393999 3660195 4148221 4610895 5225681 5333427 5656665 5713785 6455253 8889045 10143969 10758755 10980585 12444663 13832685 15677043 16906615 16969995 19365759 20741105 23669261 26128405 26667135 30431907 32276265 36579767 37333989 47031129 50719845 57482491 62223315 71007783 78385215 96828795 109739301 118346305 152159535 172447473 182898835 186669945 213023349 235155645 287412455 329217903 355038915 402377437 517342419 548696505 862237365 1065116745 1207132311 1646089515 2011887185 2586712095 3621396933 6035661555 18106984665
• Sum of all divisors σ(n): 41871997440
• Sum of proper divisors (its aliquot sum) s(n): 23765012775
• 18106984665 is an abundant number, because the sum of its proper divisors (23765012775) is greater than itself. Its abundance is 5658028110

Bases of 18106984665

• Binary: 10000110111010000101010100011011001₂
• Hexadecimal: 0x43742A8D9
• Base-36: 8BGFIS9

Squares and roots of 18106984665

• 18106984665 squared (18106984665²) is 327862893658545162225
• 18106984665 cubed (18106984665³) is 5936608387697802998618012279625
• The square root of 18106984665 is 134562.1962699777
• The cube root of 18106984665 is 2625.9233475541

Scales and comparisons

• 18,106,984,665 seconds is equal to 575 years, 38 weeks, 5 days, 13 hours, 57 minutes, 45 seconds.
• To count from 1 to 18,106,984,665 would take you about one thousand, one hundred fifty-one 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 18106984665 cubic inches would be around 218.8 feet tall.

Recreational maths with 18106984665

• 18106984665 backwards is 56648960181
• The number of decimal digits it has is: 11
• The sum of 18106984665's digits is 54
• More coming soon!