30957409

Names of 30957409

• Cardinal: 30957409 can be written as Thirty million, nine hundred fifty-seven thousand, four hundred nine.

Scientific notation

• Scientific notation: 3.0957409 × 10⁷

Factors of 30957409

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 43895

Divisors of 30957409

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 101 707 43787 306509 4422487 30957409
• Sum of all divisors σ(n): 35731008
• Sum of proper divisors (its aliquot sum) s(n): 4773599
• 30957409 is a deficient number, because the sum of its proper divisors (4773599) is less than itself. Its deficiency is 26183810

Bases of 30957409

• Binary: 1110110000101111101100001₂
• Hexadecimal: 0x1D85F61
• Base-36: IFIW1

Squares and roots of 30957409

• 30957409 squared (30957409²) is 958361171993281
• 30957409 cubed (30957409³) is 29668378771115345168929
• The square root of 30957409 is 5563.9382634965
• The cube root of 30957409 is 313.9941342029

Scales and comparisons

• 30,957,409 seconds is equal to 51 weeks, 1 day, 7 hours, 16 minutes, 49 seconds.
• To count from 1 to 30,957,409 would take you about twenty-four 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 30957409 cubic inches would be around 26.2 feet tall.

Recreational maths with 30957409

• 30957409 backwards is 90475903
• The number of decimal digits it has is: 8
• The sum of 30957409's digits is 37
• More coming soon!