138940749583551396075

Names of 138940749583551396075

• Cardinal: 138940749583551396075 can be written as One hundred thirty-eight quintillion, nine hundred forty quadrillion, seven hundred forty-nine trillion, five hundred eighty-three billion, five hundred fifty-one million, three hundred ninety-six thousand and seventy-five.

Scientific notation

• Scientific notation: 1.38940749583551396075 × 10²⁰

Factors of 138940749583551396075

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 264649046825812198

Divisors of 138940749583551396075

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 5 7 15 21 25 35 75 105 175 525 264649046825812183 793947140477436549 1323245234129060915 1852543327780685281 3969735702387182745 5557629983342055843 6616226170645304575 9262716638903426405 19848678511935913725 27788149916710279215 46313583194517132025 138940749583551396075
• Sum of all divisors σ(n): 262531854451205686528
• Sum of proper divisors (its aliquot sum) s(n): 123591104867654290453
• 138940749583551396075 is a deficient number, because the sum of its proper divisors (123591104867654290453) is less than itself. Its deficiency is 15349644715897105622

Bases of 138940749583551396075

• Binary: 1111000100000110000101100111001101101001010000101010111100011101011₂
• Hexadecimal: 0x78830B39B4A1578EB
• Base-36: TBLU96K53LYI3

Squares and roots of 138940749583551396075

• 138940749583551396075 squared (138940749583551396075²) is 19304531894839137441844552211081525405625
• 138940749583551396075 cubed (138940749583551396075³) is 2682186131828525528491569767514465805829918549218049407921875
• The square root of 138940749583551396075 is 11787313077.3536084981
• The cube root of 138940749583551396075 is 5179365.3359908149

Scales and comparisons

• 138,940,749,583,551,396,075 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,940,749,583,551,396,075 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 138940749583551396075 cubic inches would be around 431613.8 feet tall.

Recreational maths with 138940749583551396075

• 138940749583551396075 backwards is 570693155385947049831
• The number of decimal digits it has is: 21
• The sum of 138940749583551396075's digits is 102
• More coming soon!