30738130

Names of 30738130

• Cardinal: 30738130 can be written as Thirty million, seven hundred thirty-eight thousand, one hundred thirty.

Scientific notation

• Scientific notation: 3.073813 × 10⁷

Factors of 30738130

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3073820

Divisors of 30738130

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 3073813 6147626 15369065 30738130
• Sum of all divisors σ(n): 55328652
• Sum of proper divisors (its aliquot sum) s(n): 24590522
• 30738130 is a deficient number, because the sum of its proper divisors (24590522) is less than itself. Its deficiency is 6147608

Bases of 30738130

• Binary: 1110101010000011011010010₂
• Hexadecimal: 0x1D506D2
• Base-36: IATOY

Squares and roots of 30738130

• 30738130 squared (30738130²) is 944832635896900
• 30738130 cubed (30738130³) is 29042388390441578797000
• The square root of 30738130 is 5544.1978680419
• The cube root of 30738130 is 313.2510107659

Scales and comparisons

• 30,738,130 seconds is equal to 50 weeks, 5 days, 18 hours, 22 minutes, 10 seconds.
• To count from 1 to 30,738,130 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 30738130 cubic inches would be around 26.1 feet tall.

Recreational maths with 30738130

• 30738130 backwards is 03183703
• The number of decimal digits it has is: 8
• The sum of 30738130's digits is 25
• More coming soon!