40402556

Names of 40402556

• Cardinal: 40402556 can be written as Forty million, four hundred two thousand, five hundred fifty-six.

Scientific notation

• Scientific notation: 4.0402556 × 10⁷

Factors of 40402556

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 10100641

Divisors of 40402556

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 10100639 20201278 40402556
• Sum of all divisors σ(n): 70704480
• Sum of proper divisors (its aliquot sum) s(n): 30301924
• 40402556 is a deficient number, because the sum of its proper divisors (30301924) is less than itself. Its deficiency is 10100632

Bases of 40402556

• Binary: 10011010000111111001111100₂
• Hexadecimal: 0x2687E7C
• Base-36: O1YT8

Squares and roots of 40402556

• 40402556 squared (40402556²) is 1632366531333136
• 40402556 cubed (40402556³) is 65951780194712781895616
• The square root of 40402556 is 6356.3004963579
• The cube root of 40402556 is 343.1386305071

Scales and comparisons

• 40,402,556 seconds is equal to 1 year, 14 weeks, 5 days, 14 hours, 55 minutes, 56 seconds.
• To count from 1 to 40,402,556 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 40402556 cubic inches would be around 28.6 feet tall.

Recreational maths with 40402556

• 40402556 backwards is 65520404
• The number of decimal digits it has is: 8
• The sum of 40402556's digits is 26
• More coming soon!