118538009457991805

Names of 118538009457991805

• Cardinal: 118538009457991805 can be written as One hundred eighteen quadrillion, five hundred thirty-eight trillion, nine billion, four hundred fifty-seven million, nine hundred ninety-one thousand, eight hundred five.

Scientific notation

• Scientific notation: 1.18538009457991805 × 10¹⁷

Factors of 118538009457991805

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 257

Divisors of 118538009457991805

• Number of divisors d(n): 42
• Complete list of divisors:
  1 5 11 55 121 241 605 1205 2651 13255 29161 58081 145805 290405 638891 3194455 7027801 13997521 35139005 69987605 153972731 769863655 1693700041 3373402561 8468500205 16867012805 37107428171 185537140855 408181709881 812990017201 2040908549405 4064950086005 8942890189211 44714450946055 98371792081321 195930594145441 491858960406605 979652970727205 2155236535599851 10776182677999255 23707601891598361 118538009457991805
• Sum of all divisors σ(n): 157004083353595506
• Sum of proper divisors (its aliquot sum) s(n): 38466073895603701
• 118538009457991805 is a deficient number, because the sum of its proper divisors (38466073895603701) is less than itself. Its deficiency is 80071935562388104

Bases of 118538009457991805

• Binary: 110100101001000011011000100001010001000000010000001111101₂
• Hexadecimal: 0x1A521B10A20207D
• Base-36: WF67TRYKWOT

Squares and roots of 118538009457991805

• 118538009457991805 squared (118538009457991805²) is 14051259686262954615788983447158025
• 118538009457991805 cubed (118538009457991805³) is 1665608353586937076848290351078347019951250989985125
• The square root of 118538009457991805 is 344293493.1972891715
• The cube root of 118538009457991805 is 491231.1253058727
• Being both a perfect square and a perfect cube, 118538009457991805 is also a perfect sixth number.

Scales and comparisons

• 118,538,009,457,991,805 seconds is equal to 3,769,142,038 years, 32 weeks, 4 days, 2 hours, 10 minutes, 5 seconds.
• To count from 1 to 118,538,009,457,991,805 would take you about eleven billion, three hundred seven million, four hundred twenty-six thousand, one hundred fifteen 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 118538009457991805 cubic inches would be around 40935.9 feet tall.

Recreational maths with 118538009457991805

• 118538009457991805 backwards is 508199754900835811
• The number of decimal digits it has is: 18
• The sum of 118538009457991805's digits is 83
• More coming soon!