13238559313381018

Names of 13238559313381018

• Cardinal: 13238559313381018 can be written as Thirteen quadrillion, two hundred thirty-eight trillion, five hundred fifty-nine billion, three hundred thirteen million, three hundred eighty-one thousand and eighteen.

Scientific notation

• Scientific notation: 1.3238559313381018 × 10¹⁶

Factors of 13238559313381018

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 262127696

Divisors of 13238559313381018

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 28309517 56619034 233818177 467636354 6619279656690509 13238559313381018
• Sum of all divisors σ(n): 19857839756454612
• Sum of proper divisors (its aliquot sum) s(n): 6619280443073594
• 13238559313381018 is a deficient number, because the sum of its proper divisors (6619280443073594) is less than itself. Its deficiency is 6619278870307424

Bases of 13238559313381018

• Binary: 101111000010000110011001001001001101100100011010011010₂
• Hexadecimal: 0x2F08664936469A
• Base-36: 3MCOE6TPQCA

Squares and roots of 13238559313381018

• 13238559313381018 squared (13238559313381018²) is 175259452693907290753786442716324
• 13238559313381018 cubed (13238559313381018³) is 2320182659718986308513665469343758310156300337832
• The square root of 13238559313381018 is 115058938.4332265515
• The cube root of 13238559313381018 is 236563.0487048713

Scales and comparisons

• 13,238,559,313,381,018 seconds is equal to 420,945,236 years, 31 weeks, 6 days, 2 hours, 16 minutes, 58 seconds.
• To count from 1 to 13,238,559,313,381,018 would take you about one billion, two hundred sixty-two million, eight hundred thirty-five thousand, seven hundred 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 13238559313381018 cubic inches would be around 19713.6 feet tall.

Recreational maths with 13238559313381018

• 13238559313381018 backwards is 81018331395583231
• The number of decimal digits it has is: 17
• The sum of 13238559313381018's digits is 64
• More coming soon!