42686

Names of 42686

• Cardinal: 42686 can be written as Forty-two thousand, six hundred eighty-six.

Scientific notation

• Scientific notation: 4.2686 × 10⁴

Factors of 42686

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3058

Divisors of 42686

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 3049 6098 21343 42686
• Sum of all divisors σ(n): 73200
• Sum of proper divisors (its aliquot sum) s(n): 30514
• 42686 is a deficient number, because the sum of its proper divisors (30514) is less than itself. Its deficiency is 12172

Bases of 42686

• Binary: 1010011010111110₂
• Hexadecimal: 0xA6BE
• Base-36: WXQ

Squares and roots of 42686

• 42686 squared (42686²) is 1822094596
• 42686 cubed (42686³) is 77777929924856
• The square root of 42686 is 206.6059050463
• The cube root of 42686 is 34.9484956745

Scales and comparisons

• 42,686 seconds is equal to 11 hours, 51 minutes, 26 seconds.
• To count from 1 to 42,686 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 42686 cubic inches would be around 2.9 feet tall.

Recreational maths with 42686

• 42686 backwards is 68624
• The number of decimal digits it has is: 5
• The sum of 42686's digits is 26
• More coming soon!