42689

Names of 42689

• Cardinal: 42689 can be written as Forty-two thousand, six hundred eighty-nine.

Scientific notation

• Scientific notation: 4.2689 × 10⁴

Factors of 42689

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 42689

Divisors of 42689

• Number of divisors d(n): 2
• Complete list of divisors:
  1 42689
• Sum of all divisors σ(n): 42690
• Sum of proper divisors (its aliquot sum) s(n): 1
• 42689 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 42688

Bases of 42689

• Binary: 1010011011000001₂
• Hexadecimal: 0xA6C1
• Base-36: WXT

Squares and roots of 42689

• 42689 squared (42689²) is 1822350721
• 42689 cubed (42689³) is 77794329928769
• The square root of 42689 is 206.6131651177
• The cube root of 42689 is 34.9493143895

Scales and comparisons

• 42,689 seconds is equal to 11 hours, 51 minutes, 29 seconds.
• To count from 1 to 42,689 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 42689 cubic inches would be around 2.9 feet tall.

Recreational maths with 42689

• 42689 backwards is 98624
• The number of decimal digits it has is: 5
• The sum of 42689's digits is 29
• More coming soon!