12840091979081017

Names of 12840091979081017

• Cardinal: 12840091979081017 can be written as Twelve quadrillion, eight hundred forty trillion, ninety-one billion, nine hundred seventy-nine million, eighty-one thousand and seventeen.

Scientific notation

• Scientific notation: 1.2840091979081017 × 10¹⁶

Factors of 12840091979081017

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 7910142

Divisors of 12840091979081017

• Number of divisors d(n): 24
• Complete list of divisors:
  1 7 41 49 287 2009 913483 6394381 6996611 37452803 44760667 48976277 262169621 286861051 342833939 1835187347 2008027357 14056191499 6391285206113 44738996442791 262042693450633 313172975099537 1834298854154431 12840091979081017
• Sum of all divisors σ(n): 15300755720201952
• Sum of proper divisors (its aliquot sum) s(n): 2460663741120935
• 12840091979081017 is a deficient number, because the sum of its proper divisors (2460663741120935) is less than itself. Its deficiency is 10379428237960082

Bases of 12840091979081017

• Binary: 101101100111011111111011100001010010111110010100111001₂
• Hexadecimal: 0x2D9DFEE14BE539
• Base-36: 3IFFKTMZSJD

Squares and roots of 12840091979081017

• 12840091979081017 squared (12840091979081017²) is 164867962031260667904731849754289
• 12840091979081017 cubed (12840091979081017³) is 2116919796885023756901616805707516970019474231913
• The square root of 12840091979081017 is 113314129.6532829439
• The cube root of 12840091979081017 is 234165.3929643277

Scales and comparisons

• 12,840,091,979,081,017 seconds is equal to 408,275,207 years, 47 weeks, 6 days, 19 hours, 23 minutes, 37 seconds.
• To count from 1 to 12,840,091,979,081,017 would take you about one billion, two hundred twenty-four million, eight hundred twenty-five thousand, six hundred twenty-three 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 12840091979081017 cubic inches would be around 19513.8 feet tall.

Recreational maths with 12840091979081017

• 12840091979081017 backwards is 71018097919004821
• The number of decimal digits it has is: 17
• The sum of 12840091979081017's digits is 67
• More coming soon!