30997447

Names of 30997447

• Cardinal: 30997447 can be written as Thirty million, nine hundred ninety-seven thousand, four hundred forty-seven.

Scientific notation

• Scientific notation: 3.0997447 × 10⁷

Factors of 30997447

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2384432

Divisors of 30997447

• Number of divisors d(n): 4
• Complete list of divisors:
  1 13 2384419 30997447
• Sum of all divisors σ(n): 33381880
• Sum of proper divisors (its aliquot sum) s(n): 2384433
• 30997447 is a deficient number, because the sum of its proper divisors (2384433) is less than itself. Its deficiency is 28613014

Bases of 30997447

• Binary: 1110110001111101111000111₂
• Hexadecimal: 0x1D8FBC7
• Base-36: IGDS7

Squares and roots of 30997447

• 30997447 squared (30997447²) is 960841720517809
• 30997447 cubed (30997447³) is 29783640307139597033623
• The square root of 30997447 is 5567.5350919415
• The cube root of 30997447 is 314.1294414059

Scales and comparisons

• 30,997,447 seconds is equal to 51 weeks, 1 day, 18 hours, 24 minutes, 7 seconds.
• To count from 1 to 30,997,447 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 30997447 cubic inches would be around 26.2 feet tall.

Recreational maths with 30997447

• 30997447 backwards is 74479903
• The number of decimal digits it has is: 8
• The sum of 30997447's digits is 43
• More coming soon!