42957

Names of 42957

• Cardinal: 42957 can be written as Forty-two thousand, nine hundred fifty-seven.

Scientific notation

• Scientific notation: 4.2957 × 10⁴

Factors of 42957

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 83

Divisors of 42957

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 9 27 37 43 111 129 333 387 999 1161 1591 4773 14319 42957
• Sum of all divisors σ(n): 66880
• Sum of proper divisors (its aliquot sum) s(n): 23923
• 42957 is a deficient number, because the sum of its proper divisors (23923) is less than itself. Its deficiency is 19034

Bases of 42957

• Binary: 1010011111001101₂
• Hexadecimal: 0xA7CD
• Base-36: X59

Squares and roots of 42957

• 42957 squared (42957²) is 1845303849
• 42957 cubed (42957³) is 79268717441493
• The square root of 42957 is 207.2607053929
• The cube root of 42957 is 35.0222987155

Scales and comparisons

• 42,957 seconds is equal to 11 hours, 55 minutes, 57 seconds.
• To count from 1 to 42,957 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 42957 cubic inches would be around 2.9 feet tall.

Recreational maths with 42957

• 42957 backwards is 75924
• 42957 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 42957's digits is 27
• More coming soon!