18538479616991710116

Names of 18538479616991710116

• Cardinal: 18538479616991710116 can be written as Eighteen quintillion, five hundred thirty-eight quadrillion, four hundred seventy-nine trillion, six hundred sixteen billion, nine hundred ninety-one million, seven hundred ten thousand, one hundred sixteen.

Scientific notation

• Scientific notation: 1.8538479616991710116 × 10¹⁹

Factors of 18538479616991710116

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3502296099530

Divisors of 18538479616991710116

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 12 13 26 39 52 78 156 33931 67862 101793 135724 203586 407172 441103 882206 1323309 1764412 2646618 5293236 3502296065581 7004592131162 10506888196743 14009184262324 21013776393486 42027552786972 45529848852553 91059697705106 136589546557659 182119395410212 273179093115318 546358186230636 118836407801228911 237672815602457822 356509223403686733 475345631204915644 713018446807373466 1426036893614746932 1544873301415975843 3089746602831951686 4634619904247927529 6179493205663903372 9269239808495855058 18538479616991710116
• Sum of all divisors σ(n): 46585244758152742208
• Sum of proper divisors (its aliquot sum) s(n): 28046765141161032092
• 18538479616991710116 is an abundant number, because the sum of its proper divisors (28046765141161032092) is greater than itself. Its abundance is 9508285524169321976

Bases of 18538479616991710116

• Binary: 10000000101000101111010001111110110010110100111000100101110100100₂
• Hexadecimal: 0x10145E8FD969C4BA4
• Base-36: 3WUHAKCYTG6UC

Squares and roots of 18538479616991710116

• 18538479616991710116 squared (18538479616991710116²) is 343675226509617102997877479866176733456
• 18538479616991710116 cubed (18538479616991710116³) is 6371216181513545690639302804094176804339395025708150840896
• The square root of 18538479616991710116 is 4305633474.5298176757
• The cube root of 18538479616991710116 is 2646618.6666667507

Scales and comparisons

• 18,538,479,616,991,710,116 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,538,479,616,991,710,116 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one 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 18538479616991710116 cubic inches would be around 220551.6 feet tall.

Recreational maths with 18538479616991710116

• 18538479616991710116 backwards is 61101719961697483581
• The number of decimal digits it has is: 20
• The sum of 18538479616991710116's digits is 93
• More coming soon!