30387149

Names of 30387149

• Cardinal: 30387149 can be written as Thirty million, three hundred eighty-seven thousand, one hundred forty-nine.

Scientific notation

• Scientific notation: 3.0387149 × 10⁷

Factors of 30387149

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4219

Divisors of 30387149

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 659 3547 8567 46111 2337473 30387149
• Sum of all divisors σ(n): 32783520
• Sum of proper divisors (its aliquot sum) s(n): 2396371
• 30387149 is a deficient number, because the sum of its proper divisors (2396371) is less than itself. Its deficiency is 27990778

Bases of 30387149

• Binary: 1110011111010101111001101₂
• Hexadecimal: 0x1CFABCD
• Base-36: I3AVH

Squares and roots of 30387149

• 30387149 squared (30387149²) is 923378824348201
• 30387149 cubed (30387149³) is 28058849918913611668949
• The square root of 30387149 is 5512.4539907377
• The cube root of 30387149 is 312.0541661655

Scales and comparisons

• 30,387,149 seconds is equal to 50 weeks, 1 day, 16 hours, 52 minutes, 29 seconds.
• To count from 1 to 30,387,149 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 30387149 cubic inches would be around 26 feet tall.

Recreational maths with 30387149

• 30387149 backwards is 94178303
• The number of decimal digits it has is: 8
• The sum of 30387149's digits is 35
• More coming soon!