40047

Names of 40047

• Cardinal: 40047 can be written as Forty thousand and forty-seven.

Scientific notation

• Scientific notation: 4.0047 × 10⁴

Factors of 40047

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1917

Divisors of 40047

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 7 21 1907 5721 13349 40047
• Sum of all divisors σ(n): 61056
• Sum of proper divisors (its aliquot sum) s(n): 21009
• 40047 is a deficient number, because the sum of its proper divisors (21009) is less than itself. Its deficiency is 19038

Bases of 40047

• Binary: 1001110001101111₂
• Hexadecimal: 0x9C6F
• Base-36: UWF

Squares and roots of 40047

• 40047 squared (40047²) is 1603762209
• 40047 cubed (40047³) is 64225865183823
• The square root of 40047 is 200.1174655047
• The cube root of 40047 is 34.2129085023

Scales and comparisons

• 40,047 seconds is equal to 11 hours, 7 minutes, 27 seconds.
• To count from 1 to 40,047 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 40047 cubic inches would be around 2.9 feet tall.

Recreational maths with 40047

• 40047 backwards is 74004
• The number of decimal digits it has is: 5
• The sum of 40047's digits is 15
• More coming soon!