31428401

Names of 31428401

• Cardinal: 31428401 can be written as Thirty-one million, four hundred twenty-eight thousand, four hundred one.

Scientific notation

• Scientific notation: 3.1428401 × 10⁷

Factors of 31428401

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 31428401

Divisors of 31428401

• Number of divisors d(n): 2
• Complete list of divisors:
  1 31428401
• Sum of all divisors σ(n): 31428402
• Sum of proper divisors (its aliquot sum) s(n): 1
• 31428401 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 31428400

Bases of 31428401

• Binary: 1110111111000111100110001₂
• Hexadecimal: 0x1DF8F31
• Base-36: IPMB5

Squares and roots of 31428401

• 31428401 squared (31428401²) is 987744389416801
• 31428401 cubed (31428401³) is 31043226756091377965201
• The square root of 31428401 is 5606.1039055657
• The cube root of 31428401 is 315.5785152729

Scales and comparisons

• 31,428,401 seconds is equal to 51 weeks, 6 days, 18 hours, 6 minutes, 41 seconds.
• To count from 1 to 31,428,401 would take you about twenty-five weeks!

  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 31428401 cubic inches would be around 26.3 feet tall.

Recreational maths with 31428401

• 31428401 backwards is 10482413
• 31428401 is a twin prime! Its twin is 31428403
• The number of decimal digits it has is: 8
• The sum of 31428401's digits is 23
• More coming soon!