42487

Names of 42487

• Cardinal: 42487 can be written as Forty-two thousand, four hundred eighty-seven.

Scientific notation

• Scientific notation: 4.2487 × 10⁴

Factors of 42487

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 42487

Divisors of 42487

• Number of divisors d(n): 2
• Complete list of divisors:
  1 42487
• Sum of all divisors σ(n): 42488
• Sum of proper divisors (its aliquot sum) s(n): 1
• 42487 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 42486

Bases of 42487

• Binary: 1010010111110111₂
• Hexadecimal: 0xA5F7
• Base-36: WS7

Squares and roots of 42487

• 42487 squared (42487²) is 1805145169
• 42487 cubed (42487³) is 76695202795303
• The square root of 42487 is 206.1237492381
• The cube root of 42487 is 34.8941016787

Scales and comparisons

• 42,487 seconds is equal to 11 hours, 48 minutes, 7 seconds.
• To count from 1 to 42,487 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 42487 cubic inches would be around 2.9 feet tall.

Recreational maths with 42487

• 42487 backwards is 78424
• The number of decimal digits it has is: 5
• The sum of 42487's digits is 25
• More coming soon!