30935021

Names of 30935021

• Cardinal: 30935021 can be written as Thirty million, nine hundred thirty-five thousand and twenty-one.

Scientific notation

• Scientific notation: 3.0935021 × 10⁷

Factors of 30935021

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 125275

Divisors of 30935021

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 19 247 125243 1628159 2379617 30935021
• Sum of all divisors σ(n): 35068320
• Sum of proper divisors (its aliquot sum) s(n): 4133299
• 30935021 is a deficient number, because the sum of its proper divisors (4133299) is less than itself. Its deficiency is 26801722

Bases of 30935021

• Binary: 1110110000000011111101101₂
• Hexadecimal: 0x1D807ED
• Base-36: IF1M5

Squares and roots of 30935021

• 30935021 squared (30935021²) is 956975524270441
• 30935021 cubed (30935021³) is 29604057939792102014261
• The square root of 30935021 is 5561.9260153295
• The cube root of 30935021 is 313.9184237759

Scales and comparisons

• 30,935,021 seconds is equal to 51 weeks, 1 day, 1 hour, 3 minutes, 41 seconds.
• To count from 1 to 30,935,021 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 30935021 cubic inches would be around 26.2 feet tall.

Recreational maths with 30935021

• 30935021 backwards is 12053903
• The number of decimal digits it has is: 8
• The sum of 30935021's digits is 23
• More coming soon!