40997813

Names of 40997813

• Cardinal: 40997813 can be written as Forty million, nine hundred ninety-seven thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 4.0997813 × 10⁷

Factors of 40997813

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1108086

Divisors of 40997813

• Number of divisors d(n): 4
• Complete list of divisors:
  1 37 1108049 40997813
• Sum of all divisors σ(n): 42105900
• Sum of proper divisors (its aliquot sum) s(n): 1108087
• 40997813 is a deficient number, because the sum of its proper divisors (1108087) is less than itself. Its deficiency is 39889726

Bases of 40997813

• Binary: 10011100011001001110110101₂
• Hexadecimal: 0x27193B5
• Base-36: OEQ45

Squares and roots of 40997813

• 40997813 squared (40997813²) is 1680820670782969
• 40997813 cubed (40997813³) is 68909971547294726646797
• The square root of 40997813 is 6402.9534591469
• The cube root of 40997813 is 344.8155928307

Scales and comparisons

• 40,997,813 seconds is equal to 1 year, 15 weeks, 5 days, 12 hours, 16 minutes, 53 seconds.
• To count from 1 to 40,997,813 would take you about forty-nine 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 40997813 cubic inches would be around 28.7 feet tall.

Recreational maths with 40997813

• 40997813 backwards is 31879904
• The number of decimal digits it has is: 8
• The sum of 40997813's digits is 41
• More coming soon!