30961309

Names of 30961309

• Cardinal: 30961309 can be written as Thirty million, nine hundred sixty-one thousand, three hundred nine.

Scientific notation

• Scientific notation: 3.0961309 × 10⁷

Factors of 30961309

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 13694

Divisors of 30961309

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2857 10837 30961309
• Sum of all divisors σ(n): 30975004
• Sum of proper divisors (its aliquot sum) s(n): 13695
• 30961309 is a deficient number, because the sum of its proper divisors (13695) is less than itself. Its deficiency is 30947614

Bases of 30961309

• Binary: 1110110000110111010011101₂
• Hexadecimal: 0x1D86E9D
• Base-36: IFLWD

Squares and roots of 30961309

• 30961309 squared (30961309²) is 958602654993481
• 30961309 cubed (30961309³) is 29679593009473558226629
• The square root of 30961309 is 5564.2887236375
• The cube root of 30961309 is 314.0073192609

Scales and comparisons

• 30,961,309 seconds is equal to 51 weeks, 1 day, 8 hours, 21 minutes, 49 seconds.
• To count from 1 to 30,961,309 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 30961309 cubic inches would be around 26.2 feet tall.

Recreational maths with 30961309

• 30961309 backwards is 90316903
• The number of decimal digits it has is: 8
• The sum of 30961309's digits is 31
• More coming soon!