30450421

Names of 30450421

• Cardinal: 30450421 can be written as Thirty million, four hundred fifty thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 3.0450421 × 10⁷

Factors of 30450421

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 30450421

Divisors of 30450421

• Number of divisors d(n): 2
• Complete list of divisors:
  1 30450421
• Sum of all divisors σ(n): 30450422
• Sum of proper divisors (its aliquot sum) s(n): 1
• 30450421 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 30450420

Bases of 30450421

• Binary: 1110100001010001011110101₂
• Hexadecimal: 0x1D0A2F5
• Base-36: I4NP1

Squares and roots of 30450421

• 30450421 squared (30450421²) is 927228139077241
• 30450421 cubed (30450421³) is 28234487197948539968461
• The square root of 30450421 is 5518.1900112265
• The cube root of 30450421 is 312.2706019929

Scales and comparisons

• 30,450,421 seconds is equal to 50 weeks, 2 days, 10 hours, 27 minutes, 1 second.
• To count from 1 to 30,450,421 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 30450421 cubic inches would be around 26 feet tall.

Recreational maths with 30450421

• 30450421 backwards is 12405403
• The number of decimal digits it has is: 8
• The sum of 30450421's digits is 19
• More coming soon!