31442

Names of 31442

• Cardinal: 31442 can be written as Thirty-one thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 3.1442 × 10⁴

Factors of 31442

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 280

Divisors of 31442

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 79 158 199 398 15721 31442
• Sum of all divisors σ(n): 48000
• Sum of proper divisors (its aliquot sum) s(n): 16558
• 31442 is a deficient number, because the sum of its proper divisors (16558) is less than itself. Its deficiency is 14884

Bases of 31442

• Binary: 111101011010010₂
• Hexadecimal: 0x7AD2
• Base-36: O9E

Squares and roots of 31442

• 31442 squared (31442²) is 988599364
• 31442 cubed (31442³) is 31083541202888
• The square root of 31442 is 177.3189217201
• The cube root of 31442 is 31.5624025419

Scales and comparisons

• 31,442 seconds is equal to 8 hours, 44 minutes, 2 seconds.
• To count from 1 to 31,442 would take you about eight 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 31442 cubic inches would be around 2.6 feet tall.

Recreational maths with 31442

• 31442 backwards is 24413
• The number of decimal digits it has is: 5
• The sum of 31442's digits is 14
• More coming soon!