231909809913

Names of 231909809913

• Cardinal: 231909809913 can be written as Two hundred thirty-one billion, nine hundred nine million, eight hundred nine thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 2.31909809913 × 10¹¹

Factors of 231909809913

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1132

Divisors of 231909809913

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 9 27 29 81 87 261 367 733 783 1101 2199 2349 3303 6597 9909 10643 19791 21257 29727 31929 59373 63771 95787 134689 191313 269011 287361 404067 573939 807033 862083 1212201 1721817 2421099 3636603 3905981 7263297 7801319 10909809 11717943 21789891 23403957 35153829 70211871 98727037 105461487 210635613 296181111 316384461 631906839 888543333 2665629999 2863084073 7996889997 8589252219 25767756657 77303269971 231909809913
• Sum of all divisors σ(n): 359848571940
• Sum of proper divisors (its aliquot sum) s(n): 127938762027
• 231909809913 is a deficient number, because the sum of its proper divisors (127938762027) is less than itself. Its deficiency is 103971047886

Bases of 231909809913

• Binary: 11010111111110111001101101111011111001₂
• Hexadecimal: 0x35FEE6DEF9
• Base-36: 2YJD42K9

Squares and roots of 231909809913

• 231909809913 squared (231909809913²) is 53782159933883793067569
• 231909809913 cubed (231909809913³) is 12472610486977555098131353955011497
• The square root of 231909809913 is 481570.1505627191
• The cube root of 231909809913 is 6143.8373052907

Scales and comparisons

• 231,909,809,913 seconds is equal to 7,374 years, 5 days, 7 hours, 38 minutes, 33 seconds.
• To count from 1 to 231,909,809,913 would take you about fourteen thousand, seven hundred forty-eight 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 231909809913 cubic inches would be around 512 feet tall.

Recreational maths with 231909809913

• 231909809913 backwards is 319908909132
• The number of decimal digits it has is: 12
• The sum of 231909809913's digits is 54
• More coming soon!