18043645042

Names of 18043645042

• Cardinal: 18043645042 can be written as Eighteen billion, forty-three million, six hundred forty-five thousand and forty-two.

Scientific notation

• Scientific notation: 1.8043645042 × 10¹⁰

Factors of 18043645042

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 495932

Divisors of 18043645042

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 18913 37826 477017 954034 9021822521 18043645042
• Sum of all divisors σ(n): 27066955356
• Sum of proper divisors (its aliquot sum) s(n): 9023310314
• 18043645042 is a deficient number, because the sum of its proper divisors (9023310314) is less than itself. Its deficiency is 9020334728

Bases of 18043645042

• Binary: 10000110011011111000010110001110010₂
• Hexadecimal: 0x4337C2C72
• Base-36: 8AEPXMA

Squares and roots of 18043645042

• 18043645042 squared (18043645042²) is 325573126401691181764
• 18043645042 cubed (18043645042³) is 5874525928006314392251119414088
• The square root of 18043645042 is 134326.6356386551
• The cube root of 18043645042 is 2622.8578765047

Scales and comparisons

• 18,043,645,042 seconds is equal to 573 years, 38 weeks, 11 hours, 37 minutes, 22 seconds.
• To count from 1 to 18,043,645,042 would take you about one thousand, one hundred forty-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 18043645042 cubic inches would be around 218.6 feet tall.

Recreational maths with 18043645042

• 18043645042 backwards is 24054634081
• The number of decimal digits it has is: 11
• The sum of 18043645042's digits is 37
• More coming soon!