40816

Names of 40816

• Cardinal: 40816 can be written as Forty thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 4.0816 × 10⁴

Factors of 40816

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2553

Divisors of 40816

• Number of divisors d(n): 10
• Complete list of divisors:
  1 2 4 8 16 2551 5102 10204 20408 40816
• Sum of all divisors σ(n): 79112
• Sum of proper divisors (its aliquot sum) s(n): 38296
• 40816 is a deficient number, because the sum of its proper divisors (38296) is less than itself. Its deficiency is 2520

Bases of 40816

• Binary: 1001111101110000₂
• Hexadecimal: 0x9F70
• Base-36: VHS

Squares and roots of 40816

• 40816 squared (40816²) is 1665945856
• 40816 cubed (40816³) is 67997246058496
• The square root of 40816 is 202.0297007867
• The cube root of 40816 is 34.4305119587

Scales and comparisons

• 40,816 seconds is equal to 11 hours, 20 minutes, 16 seconds.
• To count from 1 to 40,816 would take you about eleven hours.

  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 40816 cubic inches would be around 2.9 feet tall.

Recreational maths with 40816

• 40816 backwards is 61804
• The number of decimal digits it has is: 5
• The sum of 40816's digits is 19
• More coming soon!