42864009

Names of 42864009

• Cardinal: 42864009 can be written as Forty-two million, eight hundred sixty-four thousand and nine.

Scientific notation

• Scientific notation: 4.2864009 × 10⁷

Factors of 42864009

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 147399

Divisors of 42864009

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 97 291 147299 441897 14288003 42864009
• Sum of all divisors σ(n): 57741600
• Sum of proper divisors (its aliquot sum) s(n): 14877591
• 42864009 is a deficient number, because the sum of its proper divisors (14877591) is less than itself. Its deficiency is 27986418

Bases of 42864009

• Binary: 10100011100000110110001001₂
• Hexadecimal: 0x28E0D89
• Base-36: PIQ2X

Squares and roots of 42864009

• 42864009 squared (42864009²) is 1837323267552081
• 42864009 cubed (42864009³) is 78755041076261807952729
• The square root of 42864009 is 6547.0610964001
• The cube root of 42864009 is 349.9700899611

Scales and comparisons

• 42,864,009 seconds is equal to 1 year, 18 weeks, 6 days, 2 hours, 40 minutes, 9 seconds.
• To count from 1 to 42,864,009 would take you about two 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 42864009 cubic inches would be around 29.2 feet tall.

Recreational maths with 42864009

• 42864009 backwards is 90046824
• The number of decimal digits it has is: 8
• The sum of 42864009's digits is 33
• More coming soon!