489940864

Names of 489940864

• Cardinal: 489940864 can be written as Four hundred eighty-nine million, nine hundred forty thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 4.89940864 × 10⁸

Factors of 489940864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 609

Divisors of 489940864

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 32 56 62 64 112 124 128 217 224 248 434 448 496 569 868 896 961 992 1138 1736 1922 1984 2276 3472 3844 3968 3983 4552 6727 6944 7688 7966 9104 13454 13888 15376 15932 17639 18208 26908 27776 30752 31864 35278 36416 53816 61504 63728 70556 72832 107632 123008 123473 127456 141112 215264 246946 254912 282224 430528 493892 509824 546809 564448 861056 987784 1093618 1128896 1975568 2187236 2257792 3827663 3951136 4374472 7655326 7902272 8748944 15310652 15804544 17497888 30621304 34995776 61242608 69991552 122485216 244970432 489940864
• Sum of all divisors σ(n): 1154660400
• Sum of proper divisors (its aliquot sum) s(n): 664719536
• 489940864 is an abundant number, because the sum of its proper divisors (664719536) is greater than itself. Its abundance is 174778672

Bases of 489940864

• Binary: 11101001100111110011110000000₂
• Hexadecimal: 0x1D33E780
• Base-36: 83P4SG

Squares and roots of 489940864

• 489940864 squared (489940864²) is 240042050217066496
• 489940864 cubed (489940864³) is 117606409479680946595692544
• The square root of 489940864 is 22134.6078347913
• The cube root of 489940864 is 788.3417998943

Scales and comparisons

• 489,940,864 seconds is equal to 15 years, 30 weeks, 14 hours, 41 minutes, 4 seconds.
• To count from 1 to 489,940,864 would take you about twenty-three 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 489940864 cubic inches would be around 65.7 feet tall.

Recreational maths with 489940864

• 489940864 backwards is 468049984
• The number of decimal digits it has is: 9
• The sum of 489940864's digits is 52
• More coming soon!