30409961

Names of 30409961

• Cardinal: 30409961 can be written as Thirty million, four hundred nine thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 3.0409961 × 10⁷

Factors of 30409961

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 20838

Divisors of 30409961

• Number of divisors d(n): 4
• Complete list of divisors:
  1 1579 19259 30409961
• Sum of all divisors σ(n): 30430800
• Sum of proper divisors (its aliquot sum) s(n): 20839
• 30409961 is a deficient number, because the sum of its proper divisors (20839) is less than itself. Its deficiency is 30389122

Bases of 30409961

• Binary: 1110100000000010011101001₂
• Hexadecimal: 0x1D004E9
• Base-36: I3SH5

Squares and roots of 30409961

• 30409961 squared (30409961²) is 924765728021521
• 30409961 cubed (30409961³) is 28122089723271060770681
• The square root of 30409961 is 5514.5227354685
• The cube root of 30409961 is 312.1322342445

Scales and comparisons

• 30,409,961 seconds is equal to 50 weeks, 1 day, 23 hours, 12 minutes, 41 seconds.
• To count from 1 to 30,409,961 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 30409961 cubic inches would be around 26 feet tall.

Recreational maths with 30409961

• 30409961 backwards is 16990403
• The number of decimal digits it has is: 8
• The sum of 30409961's digits is 32
• More coming soon!