40807

Names of 40807

• Cardinal: 40807 can be written as Forty thousand, eight hundred seven.

Scientific notation

• Scientific notation: 4.0807 × 10⁴

Factors of 40807

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 129

Divisors of 40807

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 43 73 559 949 3139 40807
• Sum of all divisors σ(n): 45584
• Sum of proper divisors (its aliquot sum) s(n): 4777
• 40807 is a deficient number, because the sum of its proper divisors (4777) is less than itself. Its deficiency is 36030

Bases of 40807

• Binary: 1001111101100111₂
• Hexadecimal: 0x9F67
• Base-36: VHJ

Squares and roots of 40807

• 40807 squared (40807²) is 1665211249
• 40807 cubed (40807³) is 67952275437943
• The square root of 40807 is 202.0074256057
• The cube root of 40807 is 34.4279811099

Scales and comparisons

• 40,807 seconds is equal to 11 hours, 20 minutes, 7 seconds.
• To count from 1 to 40,807 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 40807 cubic inches would be around 2.9 feet tall.

Recreational maths with 40807

• 40807 backwards is 70804
• The number of decimal digits it has is: 5
• The sum of 40807's digits is 19
• More coming soon!