1018440785940479999

Names of 1018440785940479999

• Cardinal: 1018440785940479999 can be written as One quintillion, eighteen quadrillion, four hundred forty trillion, seven hundred eighty-five billion, nine hundred forty million, four hundred seventy-nine thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.018440785940479999 × 10¹⁸

Factors of 1018440785940479999

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 425591636417136

Divisors of 1018440785940479999

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2393 425591636414743 1018440785940479999
• Sum of all divisors σ(n): 1018866377576897136
• Sum of proper divisors (its aliquot sum) s(n): 425591636417137
• 1018440785940479999 is a deficient number, because the sum of its proper divisors (425591636417137) is less than itself. Its deficiency is 1018015194304062862

Bases of 1018440785940479999

• Binary: 111000100010001110100111111110110110110000000111111111111111₂
• Hexadecimal: 0xE223A7FB6C07FFF
• Base-36: 7QJZ4M3V3SVZ

Squares and roots of 1018440785940479999

• 1018440785940479999 squared (1018440785940479999²) is 1037221634467062602801221058519040001
• 1018440785940479999 cubed (1018440785940479999³) is 1056348816601104495587380176012091814379606466621439999
• The square root of 1018440785940479999 is 1009178272.6260410323
• The cube root of 1018440785940479999 is 1006109.5263196151

Scales and comparisons

• 1,018,440,785,940,479,999 seconds is equal to 32,383,266,748 years, 37 weeks, 2 days, 7 hours, 59 minutes, 59 seconds.
• To count from 1 to 1,018,440,785,940,479,999 would take you about one hundred thirteen billion, three hundred forty-one million, four hundred thirty-three thousand, six hundred twenty 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 1018440785940479999 cubic inches would be around 83842.5 feet tall.

Recreational maths with 1018440785940479999

• 1018440785940479999 backwards is 9999740495870448101
• The number of decimal digits it has is: 19
• The sum of 1018440785940479999's digits is 98
• More coming soon!