40389485

Names of 40389485

• Cardinal: 40389485 can be written as Forty million, three hundred eighty-nine thousand, four hundred eighty-five.

Scientific notation

• Scientific notation: 4.0389485 × 10⁷

Factors of 40389485

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 8077902

Divisors of 40389485

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 8077897 40389485
• Sum of all divisors σ(n): 48467388
• Sum of proper divisors (its aliquot sum) s(n): 8077903
• 40389485 is a deficient number, because the sum of its proper divisors (8077903) is less than itself. Its deficiency is 32311582

Bases of 40389485

• Binary: 10011010000100101101101101₂
• Hexadecimal: 0x2684B6D
• Base-36: O1OQ5

Squares and roots of 40389485

• 40389485 squared (40389485²) is 1631310498565225
• 40389485 cubed (40389485³) is 65887790912142676659125
• The square root of 40389485 is 6355.2722207629
• The cube root of 40389485 is 343.1016225449

Scales and comparisons

• 40,389,485 seconds is equal to 1 year, 14 weeks, 5 days, 11 hours, 18 minutes, 5 seconds.
• To count from 1 to 40,389,485 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 40389485 cubic inches would be around 28.6 feet tall.

Recreational maths with 40389485

• 40389485 backwards is 58498304
• The number of decimal digits it has is: 8
• The sum of 40389485's digits is 41
• More coming soon!