40393959

Names of 40393959

• Cardinal: 40393959 can be written as Forty million, three hundred ninety-three thousand, nine hundred fifty-nine.

Scientific notation

• Scientific notation: 4.0393959 × 10⁷

Factors of 40393959

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 189717

Divisors of 40393959

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 71 213 189643 568929 13464653 40393959
• Sum of all divisors σ(n): 54617472
• Sum of proper divisors (its aliquot sum) s(n): 14223513
• 40393959 is a deficient number, because the sum of its proper divisors (14223513) is less than itself. Its deficiency is 26170446

Bases of 40393959

• Binary: 10011010000101110011100111₂
• Hexadecimal: 0x2685CE7
• Base-36: O1S6F

Squares and roots of 40393959

• 40393959 squared (40393959²) is 1631671923693681
• 40393959 cubed (40393959³) is 65909688787133678873079
• The square root of 40393959 is 6355.6242022323
• The cube root of 40393959 is 343.1142906933

Scales and comparisons

• 40,393,959 seconds is equal to 1 year, 14 weeks, 5 days, 12 hours, 32 minutes, 39 seconds.
• To count from 1 to 40,393,959 would take you about forty-eight weeks!

  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 40393959 cubic inches would be around 28.6 feet tall.

Recreational maths with 40393959

• 40393959 backwards is 95939304
• The number of decimal digits it has is: 8
• The sum of 40393959's digits is 42
• More coming soon!