30513542

Names of 30513542

• Cardinal: 30513542 can be written as Thirty million, five hundred thirteen thousand, five hundred forty-two.

Scientific notation

• Scientific notation: 3.0513542 × 10⁷

Factors of 30513542

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3863

Divisors of 30513542

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 61 67 122 134 3733 4087 7466 8174 227713 250111 455426 500222 15256771 30513542
• Sum of all divisors σ(n): 47227632
• Sum of proper divisors (its aliquot sum) s(n): 16714090
• 30513542 is a deficient number, because the sum of its proper divisors (16714090) is less than itself. Its deficiency is 13799452

Bases of 30513542

• Binary: 1110100011001100110000110₂
• Hexadecimal: 0x1D19986
• Base-36: I60EE

Squares and roots of 30513542

• 30513542 squared (30513542²) is 931076245385764
• 30513542 cubed (30513542³) is 28410434118780816016088
• The square root of 30513542 is 5523.9064076069
• The cube root of 30513542 is 312.4862227527

Scales and comparisons

• 30,513,542 seconds is equal to 50 weeks, 3 days, 3 hours, 59 minutes, 2 seconds.
• To count from 1 to 30,513,542 would take you about twenty-three 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 30513542 cubic inches would be around 26 feet tall.

Recreational maths with 30513542

• 30513542 backwards is 24531503
• The number of decimal digits it has is: 8
• The sum of 30513542's digits is 23
• More coming soon!