42857

Names of 42857

• Cardinal: 42857 can be written as Forty-two thousand, eight hundred fifty-seven.

Scientific notation

• Scientific notation: 4.2857 × 10⁴

Factors of 42857

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2538

Divisors of 42857

• Number of divisors d(n): 4
• Complete list of divisors:
  1 17 2521 42857
• Sum of all divisors σ(n): 45396
• Sum of proper divisors (its aliquot sum) s(n): 2539
• 42857 is a deficient number, because the sum of its proper divisors (2539) is less than itself. Its deficiency is 40318

Bases of 42857

• Binary: 1010011101101001₂
• Hexadecimal: 0xA769
• Base-36: X2H

Squares and roots of 42857

• 42857 squared (42857²) is 1836722449
• 42857 cubed (42857³) is 78716413996793
• The square root of 42857 is 207.0193227697
• The cube root of 42857 is 34.9951013553

Scales and comparisons

• 42,857 seconds is equal to 11 hours, 54 minutes, 17 seconds.
• To count from 1 to 42,857 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 42857 cubic inches would be around 2.9 feet tall.

Recreational maths with 42857

• 42857 backwards is 75824
• The number of decimal digits it has is: 5
• The sum of 42857's digits is 26
• More coming soon!