7257213225

Names of 7257213225

• Cardinal: 7257213225 can be written as Seven billion, two hundred fifty-seven million, two hundred thirteen thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 7.257213225 × 10⁹

Factors of 7257213225

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1310

Divisors of 7257213225

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 81 135 225 243 405 491 675 729 811 1215 1473 2025 2433 2455 3645 4055 4419 6075 7299 7365 12165 12275 13257 18225 20275 21897 22095 36495 36825 39771 60825 65691 66285 109485 110475 119313 182475 197073 198855 328455 331425 357939 398201 547425 591219 596565 985365 994275 1194603 1642275 1789695 1991005 2956095 2982825 3583809 4926825 5973015 8948475 9955025 10751427 14780475 17919045 29865075 32254281 53757135 89595225 96762843 161271405 268785675 290288529 483814215 806357025 1451442645 2419071075 7257213225
• Sum of all divisors σ(n): 13536394032
• Sum of proper divisors (its aliquot sum) s(n): 6279180807
• 7257213225 is a deficient number, because the sum of its proper divisors (6279180807) is less than itself. Its deficiency is 978032418

Bases of 7257213225

• Binary: 110110000100100000100100100101001₂
• Hexadecimal: 0x1B0904929
• Base-36: 3C0R9K9

Squares and roots of 7257213225

• 7257213225 squared (7257213225²) is 52667143793114900625
• 7257213225 cubed (7257213225³) is 382216692458370120760310765625
• The square root of 7257213225 is 85189.2788148837
• The cube root of 7257213225 is 1936.0799812177

Scales and comparisons

• 7,257,213,225 seconds is equal to 230 years, 39 weeks, 2 days, 12 hours, 33 minutes, 45 seconds.
• To count from 1 to 7,257,213,225 would take you about four hundred sixty-one years!

  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 7257213225 cubic inches would be around 161.3 feet tall.

Recreational maths with 7257213225

• 7257213225 backwards is 5223127527
• The number of decimal digits it has is: 10
• The sum of 7257213225's digits is 36
• More coming soon!