31906991095638164375

Names of 31906991095638164375

• Cardinal: 31906991095638164375 can be written as Thirty-one quintillion, nine hundred six quadrillion, nine hundred ninety-one trillion, ninety-five billion, six hundred thirty-eight million, one hundred sixty-four thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 3.1906991095638164375 × 10¹⁹

Factors of 31906991095638164375

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 155

Divisors of 31906991095638164375

• Number of divisors d(n): 140
• Complete list of divisors:
  1 5 23 25 115 125 127 529 575 625 635 2645 2875 2921 3175 12167 13225 14375 14605 15875 16129 60835 66125 67183 73025 79375 80645 304175 330625 335915 365125 370967 403225 1520875 1545209 1679575 1825625 1854835 2016125 2048383 7604375 7726045 8397875 8532241 9274175 10080625 10241915 38630225 41989375 42661205 46370875 47112809 51209575 193151125 196241543 213306025 231854375 235564045 256047875 260144641 965755625 981207715 1066530125 1083594607 1177820225 1280239375 1300723205 4906038575 5332650625 5417973035 5889101125 5983326743 6503616025 24530192875 24922675961 27089865175 29445505625 29916633715 32518080125 33038369407 122650964375 124613379805 135449325875 137616515089 149583168575 162590400625 165191847035 623066899025 677246629375 688082575445 747915842875 759882496361 825959235175 3115334495125 3165179847047 3440412877225 3739579214375 3799412481805 4129796175875 4195872914689 15576672475625 15825899235235 17202064386125 17477297416303 18997062409025 20648980879375 20979364573445 79129496176175 86010321930625 87386487081515 94985312045125 96505077037847 104896822867225 395647480880875 401977840574969 436932435407575 474926560225625 482525385189235 524484114336125 1978237404404375 2009889202874845 2184662177037875 2219616771870481 2412626925946175 2622420571680625 10049446014374225 10923310885189375 11098083859352405 12063134629730875 50247230071871125 51051185753021063 55490419296762025 60315673148654375 251236150359355625 255255928765105315 277452096483810125 1276279643825526575 1387260482419050625 6381398219127632875 31906991095638164375
• Sum of all divisors σ(n): 42013962818724998640
• Sum of proper divisors (its aliquot sum) s(n): 10106971723086834265
• 31906991095638164375 is a deficient number, because the sum of its proper divisors (10106971723086834265) is less than itself. Its deficiency is 21800019372551330110

Bases of 31906991095638164375

• Binary: 11011101011001100011001110101100111011011000100001000001110010111₂
• Hexadecimal: 0x1BACC6759DB108397
• Base-36: 6QEX0DN4LS68N

Squares and roots of 31906991095638164375

• 31906991095638164375 squared (31906991095638164375²) is 1018056080777133109085949735019519140625
• 31906991095638164375 cubed (31906991095638164375³) is 32483106304216273913739150449737048805034074779552490234375
• The square root of 31906991095638164375 is 5648627363.8502800755
• The cube root of 31906991095638164375 is 3171723.2350540713
• Being both a perfect square and a perfect cube, 31906991095638164375 is also a perfect sixth number.

Scales and comparisons

• 31,906,991,095,638,164,375 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 31,906,991,095,638,164,375 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 31906991095638164375 cubic inches would be around 264310.3 feet tall.

Recreational maths with 31906991095638164375

• 31906991095638164375 backwards is 57346183659019960913
• The number of decimal digits it has is: 20
• The sum of 31906991095638164375's digits is 95
• More coming soon!