40831

Names of 40831

• Cardinal: 40831 can be written as Forty thousand, eight hundred thirty-one.

Scientific notation

• Scientific notation: 4.0831 × 10⁴

Factors of 40831

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 333

Divisors of 40831

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 19 133 307 2149 5833 40831
• Sum of all divisors σ(n): 49280
• Sum of proper divisors (its aliquot sum) s(n): 8449
• 40831 is a deficient number, because the sum of its proper divisors (8449) is less than itself. Its deficiency is 32382

Bases of 40831

• Binary: 1001111101111111₂
• Hexadecimal: 0x9F7F
• Base-36: VI7

Squares and roots of 40831

• 40831 squared (40831²) is 1667170561
• 40831 cubed (40831³) is 68072241176191
• The square root of 40831 is 202.0668206311
• The cube root of 40831 is 34.4347292137

Scales and comparisons

• 40,831 seconds is equal to 11 hours, 20 minutes, 31 seconds.
• To count from 1 to 40,831 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 40831 cubic inches would be around 2.9 feet tall.

Recreational maths with 40831

• 40831 backwards is 13804
• The number of decimal digits it has is: 5
• The sum of 40831's digits is 16
• More coming soon!