538638994005

Names of 538638994005

• Cardinal: 538638994005 can be written as Five hundred thirty-eight billion, six hundred thirty-eight million, nine hundred ninety-four thousand and five.

Scientific notation

• Scientific notation: 5.38638994005 × 10¹¹

Factors of 538638994005

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4977

Divisors of 538638994005

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 7 15 21 35 105 229 687 1145 1603 3435 4733 4809 8015 14199 23665 24045 33131 70995 99393 165655 496965 1083857 3251571 5419285 7586999 16257855 22401289 22760997 37934995 67203867 112006445 113804985 156809023 336019335 470427069 784045115 2352135345 5129895181 15389685543 25649475905 35909266267 76948427715 107727798801 179546331335 538638994005
• Sum of all divisors σ(n): 989449975680
• Sum of proper divisors (its aliquot sum) s(n): 450810981675
• 538638994005 is a deficient number, because the sum of its proper divisors (450810981675) is less than itself. Its deficiency is 87828012330

Bases of 538638994005

• Binary: 111110101101001011000101100101001010101₂
• Hexadecimal: 0x7D6962CA55
• Base-36: 6VG3QZPX

Squares and roots of 538638994005

• 538638994005 squared (538638994005²) is 290131965862718425940025
• 538638994005 cubed (538638994005³) is 156276390220987654882912162464550125
• The square root of 538638994005 is 733920.2913157531
• The cube root of 538638994005 is 8136.4057262357

Scales and comparisons

• 538,638,994,005 seconds is equal to 17,127 years, 2 weeks, 5 days, 14 hours, 46 minutes, 45 seconds.
• To count from 1 to 538,638,994,005 would take you about thirty-four thousand, two hundred fifty-four 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 538638994005 cubic inches would be around 678 feet tall.

Recreational maths with 538638994005

• 538638994005 backwards is 500499836835
• The number of decimal digits it has is: 12
• The sum of 538638994005's digits is 60
• More coming soon!