40540

Names of 40540

• Cardinal: 40540 can be written as Forty thousand, five hundred forty.

Scientific notation

• Scientific notation: 4.054 × 10⁴

Factors of 40540

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2034

Divisors of 40540

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 5 10 20 2027 4054 8108 10135 20270 40540
• Sum of all divisors σ(n): 85176
• Sum of proper divisors (its aliquot sum) s(n): 44636
• 40540 is an abundant number, because the sum of its proper divisors (44636) is greater than itself. Its abundance is 4096

Bases of 40540

• Binary: 1001111001011100₂
• Hexadecimal: 0x9E5C
• Base-36: VA4

Squares and roots of 40540

• 40540 squared (40540²) is 1643491600
• 40540 cubed (40540³) is 66627149464000
• The square root of 40540 is 201.3454742477
• The cube root of 40540 is 34.3527293761

Scales and comparisons

• 40,540 seconds is equal to 11 hours, 15 minutes, 40 seconds.
• To count from 1 to 40,540 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 40540 cubic inches would be around 2.9 feet tall.

Recreational maths with 40540

• 40540 backwards is 04504
• The number of decimal digits it has is: 5
• The sum of 40540's digits is 13
• More coming soon!