18135704464742619081

Names of 18135704464742619081

• Cardinal: 18135704464742619081 can be written as Eighteen quintillion, one hundred thirty-five quadrillion, seven hundred four trillion, four hundred sixty-four billion, seven hundred forty-two million, six hundred nineteen thousand and eighty-one.

Scientific notation

• Scientific notation: 1.8135704464742619081 × 10¹⁹

Factors of 18135704464742619081

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 437626615

Divisors of 18135704464742619081

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 109 327 981 1321 3963 11889 31981 95943 143989 287829 431967 1295901 3485929 10457787 31373361 42246901 126740703 380222109 437593201 1312779603 3938338809 4604912209 13814736627 41444209881 47697658909 143092976727 429278930181 578060618521 1734181855563 5202545566689 13994668161181 41984004483543 63008607418789 125952013450629 189025822256367 567077466769101 1525418829568729 4576256488706187 13728769466118561 18486956640920101 55460869922760303 166382609768280909 2015078273860291009 6045234821580873027 18135704464742619081
• Sum of all divisors σ(n): 26457187684889687440
• Sum of proper divisors (its aliquot sum) s(n): 8321483220147068359
• 18135704464742619081 is a deficient number, because the sum of its proper divisors (8321483220147068359) is less than itself. Its deficiency is 9814221244595550722

Bases of 18135704464742619081

• Binary: 1111101110101110111101110001111110100100011100110001011111001001₂
• Hexadecimal: 0xFBAEF71FA47317C9
• Base-36: 3TSBEOUFALIO9

Squares and roots of 18135704464742619081

• 18135704464742619081 squared (18135704464742619081²) is 328903776432485367661238038267465284561
• 18135704464742619081 cubed (18135704464742619081³) is 5964901686717333097100317672652408698478385882124093308441
• The square root of 18135704464742619081 is 4258603581.5443797987
• The cube root of 18135704464742619081 is 2627310.9549019879

Scales and comparisons

• 18,135,704,464,742,619,081 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,135,704,464,742,619,081 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 18135704464742619081 cubic inches would be around 218942.6 feet tall.

Recreational maths with 18135704464742619081

• 18135704464742619081 backwards is 18091624746440753181
• The number of decimal digits it has is: 20
• The sum of 18135704464742619081's digits is 81
• More coming soon!