18109513085979

Names of 18109513085979

• Cardinal: 18109513085979 can be written as Eighteen trillion, one hundred nine billion, five hundred thirteen million, eighty-five thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.8109513085979 × 10¹³

Factors of 18109513085979

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 19228

Divisors of 18109513085979

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 23 69 161 483 1433 1621 4299 4863 10031 11347 16141 30093 32959 34041 37283 48423 98877 111849 112987 230713 260981 338961 371243 692139 782943 1113729 2322893 2598701 6968679 7796103 16260251 23130053 26164561 48780753 53426539 69390159 78493683 160279617 161910371 183151927 373985773 485731113 531991219 549455781 601784903 1121957319 1595973657 1805354709 3723938533 4212494321 11171815599 12637482963 37493815913 112481447739 262456711391 787370134173 862357765999 2587073297997 6036504361993 18109513085979
• Sum of all divisors σ(n): 28834907609088
• Sum of proper divisors (its aliquot sum) s(n): 10725394523109
• 18109513085979 is a deficient number, because the sum of its proper divisors (10725394523109) is less than itself. Its deficiency is 7384118562870

Bases of 18109513085979

• Binary: 100000111100001110011000110000011010000011011₂
• Hexadecimal: 0x10787318341B
• Base-36: 6F3E8IMU3

Squares and roots of 18109513085979

• 18109513085979 squared (18109513085979²) is 327954464211244643846388441
• 18109513085979 cubed (18109513085979³) is 5939095661238766502335144708607864768739
• The square root of 18109513085979 is 4255527.3569769235
• The cube root of 18109513085979 is 26260.4556798975

Scales and comparisons

• 18,109,513,085,979 seconds is equal to 575,826 years, 25 weeks, 6 days, 21 hours, 39 minutes, 39 seconds.
• To count from 1 to 18,109,513,085,979 would take you about one million, four hundred thirty-nine thousand, five hundred sixty-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 18109513085979 cubic inches would be around 2188.4 feet tall.

Recreational maths with 18109513085979

• 18109513085979 backwards is 97958031590181
• The number of decimal digits it has is: 14
• The sum of 18109513085979's digits is 66
• More coming soon!