31401

Names of 31401

• Cardinal: 31401 can be written as Thirty-one thousand, four hundred one.

Scientific notation

• Scientific notation: 3.1401 × 10⁴

Factors of 31401

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1166

Divisors of 31401

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 9 27 1163 3489 10467 31401
• Sum of all divisors σ(n): 46560
• Sum of proper divisors (its aliquot sum) s(n): 15159
• 31401 is a deficient number, because the sum of its proper divisors (15159) is less than itself. Its deficiency is 16242

Bases of 31401

• Binary: 111101010101001₂
• Hexadecimal: 0x7AA9
• Base-36: O89

Squares and roots of 31401

• 31401 squared (31401²) is 986022801
• 31401 cubed (31401³) is 30962101974201
• The square root of 31401 is 177.2032731075
• The cube root of 31401 is 31.5486775733

Scales and comparisons

• 31,401 seconds is equal to 8 hours, 43 minutes, 21 seconds.
• To count from 1 to 31,401 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 31401 cubic inches would be around 2.6 feet tall.

Recreational maths with 31401

• 31401 backwards is 10413
• 31401 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 31401's digits is 9
• More coming soon!