18146993757591638018

Names of 18146993757591638018

• Cardinal: 18146993757591638018 can be written as Eighteen quintillion, one hundred forty-six quadrillion, nine hundred ninety-three trillion, seven hundred fifty-seven billion, five hundred ninety-one million, six hundred thirty-eight thousand and eighteen.

Scientific notation

• Scientific notation: 1.8146993757591638018 × 10¹⁹

Factors of 18146993757591638018

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 10861093561

Divisors of 18146993757591638018

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 223 446 3747539 7495078 835701197 1671402394 10857345797 21714691594 2421188112731 4842376225462 40688326810743583 81376653621487166 9073496878795819009 18146993757591638018
• Sum of all divisors σ(n): 27342562915474410240
• Sum of proper divisors (its aliquot sum) s(n): 9195569157882772222
• 18146993757591638018 is a deficient number, because the sum of its proper divisors (9195569157882772222) is less than itself. Its deficiency is 8951424599708865796

Bases of 18146993757591638018

• Binary: 1111101111010111000100101010110011110110011110110001000000000010₂
• Hexadecimal: 0xFBD712ACF67B1002
• Base-36: 3TVEKERYO0002

Squares and roots of 18146993757591638018

• 18146993757591638018 squared (18146993757591638018²) is 329313382438069877887449742796342968324
• 18146993757591638018 cubed (18146993757591638018³) is 5976047895395041830039838501475324361509114884695448141832
• The square root of 18146993757591638018 is 4259928844.1934846499
• The cube root of 18146993757591638018 is 2627856.0000000011

Scales and comparisons

• 18,146,993,757,591,638,018 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,146,993,757,591,638,018 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 18146993757591638018 cubic inches would be around 218988 feet tall.

Recreational maths with 18146993757591638018

• 18146993757591638018 backwards is 81083619575739964181
• The number of decimal digits it has is: 20
• The sum of 18146993757591638018's digits is 101
• More coming soon!