30040457

Names of 30040457

• Cardinal: 30040457 can be written as Thirty million, forty thousand, four hundred fifty-seven.

Scientific notation

• Scientific notation: 3.0040457 × 10⁷

Factors of 30040457

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4423

Divisors of 30040457

• Number of divisors d(n): 8
• Complete list of divisors:
  1 31 233 4159 7223 128929 969047 30040457
• Sum of all divisors σ(n): 31150080
• Sum of proper divisors (its aliquot sum) s(n): 1109623
• 30040457 is a deficient number, because the sum of its proper divisors (1109623) is less than itself. Its deficiency is 28930834

Bases of 30040457

• Binary: 1110010100110000110001001₂
• Hexadecimal: 0x1CA6189
• Base-36: HVVD5

Squares and roots of 30040457

• 30040457 squared (30040457²) is 902429056768849
• 30040457 cubed (30040457³) is 27109381275415167323993
• The square root of 30040457 is 5480.9175326765
• The cube root of 30040457 is 310.8628648605

Scales and comparisons

• 30,040,457 seconds is equal to 49 weeks, 4 days, 16 hours, 34 minutes, 17 seconds.
• To count from 1 to 30,040,457 would take you about twenty-two 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 30040457 cubic inches would be around 25.9 feet tall.

Recreational maths with 30040457

• 30040457 backwards is 75404003
• The number of decimal digits it has is: 8
• The sum of 30040457's digits is 23
• More coming soon!