1338405442731304887

Names of 1338405442731304887

• Cardinal: 1338405442731304887 can be written as One quintillion, three hundred thirty-eight quadrillion, four hundred five trillion, four hundred forty-two billion, seven hundred thirty-one million, three hundred four thousand, eight hundred eighty-seven.

Scientific notation

• Scientific notation: 1.338405442731304887 × 10¹⁸

Factors of 1338405442731304887

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 501468882

Divisors of 1338405442731304887

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 37 111 25323589 75970767 476145253 936972793 1428435759 2810918379 17617374361 52852123083 12057706691273017 36173120073819051 446135147577101629 1338405442731304887
• Sum of all divisors σ(n): 1832771493296762720
• Sum of proper divisors (its aliquot sum) s(n): 494366050565457833
• 1338405442731304887 is a deficient number, because the sum of its proper divisors (494366050565457833) is less than itself. Its deficiency is 844039392165847054

Bases of 1338405442731304887

• Binary: 1001010010010111110001010100010110011011100101110011110110111₂
• Hexadecimal: 0x1292F8A8B372E7B7
• Base-36: A62H4S7XQKL3

Squares and roots of 1338405442731304887

• 1338405442731304887 squared (1338405442731304887²) is 1791329129132780245578796945750082769
• 1338405442731304887 cubed (1338405442731304887³) is 2397524656154441567633014537493723899987738307624192103
• The square root of 1338405442731304887 is 1156894741.4226174479
• The cube root of 1338405442731304887 is 1102036.2949990761

Scales and comparisons

• 1,338,405,442,731,304,887 seconds is equal to 42,557,153,119 years, 41 minutes, 27 seconds.
• To count from 1 to 1,338,405,442,731,304,887 would take you about one hundred forty-eight billion, nine hundred fifty million, thirty-five thousand, nine hundred sixteen 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 1338405442731304887 cubic inches would be around 91836.4 feet tall.

Recreational maths with 1338405442731304887

• 1338405442731304887 backwards is 7884031372445048331
• The number of decimal digits it has is: 19
• The sum of 1338405442731304887's digits is 75
• More coming soon!