30209809

Names of 30209809

• Cardinal: 30209809 can be written as Thirty million, two hundred nine thousand, eight hundred nine.

Scientific notation

• Scientific notation: 3.0209809 × 10⁷

Factors of 30209809

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 59199

Divisors of 30209809

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 73 511 59119 413833 4315687 30209809
• Sum of all divisors σ(n): 34999040
• Sum of proper divisors (its aliquot sum) s(n): 4789231
• 30209809 is a deficient number, because the sum of its proper divisors (4789231) is less than itself. Its deficiency is 25420578

Bases of 30209809

• Binary: 1110011001111011100010001₂
• Hexadecimal: 0x1CCF711
• Base-36: HZI1D

Squares and roots of 30209809

• 30209809 squared (30209809²) is 912632559816481
• 30209809 cubed (30209809³) is 27570455319236966062129
• The square root of 30209809 is 5496.3450583093
• The cube root of 30209809 is 311.4459299807

Scales and comparisons

• 30,209,809 seconds is equal to 49 weeks, 6 days, 15 hours, 36 minutes, 49 seconds.
• To count from 1 to 30,209,809 would take you about twenty-two 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 30209809 cubic inches would be around 26 feet tall.

Recreational maths with 30209809

• 30209809 backwards is 90890203
• The number of decimal digits it has is: 8
• The sum of 30209809's digits is 31
• More coming soon!