18129858966993599

Names of 18129858966993599

• Cardinal: 18129858966993599 can be written as Eighteen quadrillion, one hundred twenty-nine trillion, eight hundred fifty-eight billion, nine hundred sixty-six million, nine hundred ninety-three thousand, five hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8129858966993599 × 10¹⁶

Factors of 18129858966993599

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2161022

Divisors of 18129858966993599

• Number of divisors d(n): 16
• Complete list of divisors:
  1 7 3259 22813 471209 1686547 3298463 11805829 1535670131 5496456673 10749690917 38475196711 794716125323 5563012877261 2589979852427657 18129858966993599
• Sum of all divisors σ(n): 20726252822726400
• Sum of proper divisors (its aliquot sum) s(n): 2596393855732801
• 18129858966993599 is a deficient number, because the sum of its proper divisors (2596393855732801) is less than itself. Its deficiency is 15533465111260798

Bases of 18129858966993599

• Binary: 1000000011010010000001010111011100011100011101010111111₂
• Hexadecimal: 0x406902BB8E3ABF
• Base-36: 4YIHY89UZZZ

Squares and roots of 18129858966993599

• 18129858966993599 squared (18129858966993599²) is 328691786163078208634504506972801
• 18129858966993599 cubed (18129858966993599³) is 5959135726745826029011338497729280771607434100799
• The square root of 18129858966993599 is 134647164.7194756159
• The cube root of 18129858966993599 is 262702.8646401011

Scales and comparisons

• 18,129,858,966,993,599 seconds is equal to 576,473,435 years, 42 weeks, 2 days, 11 hours, 59 minutes, 59 seconds.
• To count from 1 to 18,129,858,966,993,599 would take you about one billion, seven hundred twenty-nine million, four hundred twenty thousand, three hundred seven 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 18129858966993599 cubic inches would be around 21891.9 feet tall.

Recreational maths with 18129858966993599

• 18129858966993599 backwards is 99539966985892181
• The number of decimal digits it has is: 17
• The sum of 18129858966993599's digits is 107
• More coming soon!