40408

Names of 40408

• Cardinal: 40408 can be written as Forty thousand, four hundred eight.

Scientific notation

• Scientific notation: 4.0408 × 10⁴

Factors of 40408

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 5053

Divisors of 40408

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 4 8 5051 10102 20204 40408
• Sum of all divisors σ(n): 75780
• Sum of proper divisors (its aliquot sum) s(n): 35372
• 40408 is a deficient number, because the sum of its proper divisors (35372) is less than itself. Its deficiency is 5036

Bases of 40408

• Binary: 1001110111011000₂
• Hexadecimal: 0x9DD8
• Base-36: V6G

Squares and roots of 40408

• 40408 squared (40408²) is 1632806464
• 40408 cubed (40408³) is 65978443597312
• The square root of 40408 is 201.0174121811
• The cube root of 40408 is 34.3154041763

Scales and comparisons

• 40,408 seconds is equal to 11 hours, 13 minutes, 28 seconds.
• To count from 1 to 40,408 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 40408 cubic inches would be around 2.9 feet tall.

Recreational maths with 40408

• 40408 backwards is 80404
• The number of decimal digits it has is: 5
• The sum of 40408's digits is 16
• More coming soon!