30969015

Names of 30969015

• Cardinal: 30969015 can be written as Thirty million, nine hundred sixty-nine thousand and fifteen.

Scientific notation

• Scientific notation: 3.0969015 × 10⁷

Factors of 30969015

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 26839

Divisors of 30969015

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1155 26813 80439 134065 187691 294943 402195 563073 884829 938455 1474715 2064601 2815365 4424145 6193803 10323005 30969015
• Sum of all divisors σ(n): 61779456
• Sum of proper divisors (its aliquot sum) s(n): 30810441
• 30969015 is a deficient number, because the sum of its proper divisors (30810441) is less than itself. Its deficiency is 158574

Bases of 30969015

• Binary: 1110110001000110010110111₂
• Hexadecimal: 0x1D88CB7
• Base-36: IFRUF

Squares and roots of 30969015

• 30969015 squared (30969015²) is 959079890070225
• 30969015 cubed (30969015³) is 29701759501783149078375
• The square root of 30969015 is 5564.9811320435
• The cube root of 30969015 is 314.0333683283

Scales and comparisons

• 30,969,015 seconds is equal to 51 weeks, 1 day, 10 hours, 30 minutes, 15 seconds.
• To count from 1 to 30,969,015 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 30969015 cubic inches would be around 26.2 feet tall.

Recreational maths with 30969015

• 30969015 backwards is 51096903
• 30969015 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30969015's digits is 33
• More coming soon!