9781448425

Names of 9781448425

• Cardinal: 9781448425 can be written as Nine billion, seven hundred eighty-one million, four hundred forty-eight thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 9.781448425 × 10⁹

Factors of 9781448425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 341

Divisors of 9781448425

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 19 25 29 35 95 133 145 175 203 281 361 475 551 665 725 1015 1405 1805 1967 2527 2755 3325 3857 5075 5339 6859 7025 8149 9025 9835 10469 12635 13775 19285 26695 34295 37373 40745 48013 49175 52345 57043 63175 73283 96425 101441 133475 154831 171475 186865 198911 203725 240065 261725 285215 366415 507205 710087 774155 934325 994555 1083817 1200325 1392377 1426075 1832075 1927379 2536025 2941789 3550435 3870775 4972775 5419085 6961885 9636895 13491653 14708945 17752175 20592523 27095425 34809425 48184475 55893991 67458265 73544725 102962615 279469955 337291325 391257937 514813075 1397349775 1956289685 9781448425
• Sum of all divisors σ(n): 15190099200
• Sum of proper divisors (its aliquot sum) s(n): 5408650775
• 9781448425 is a deficient number, because the sum of its proper divisors (5408650775) is less than itself. Its deficiency is 4372797650

Bases of 9781448425

• Binary: 1001000111000001010000111011101001₂
• Hexadecimal: 0x247050EE9
• Base-36: 4HRMDWP

Squares and roots of 9781448425

• 9781448425 squared (9781448425²) is 95676733290934980625
• 9781448425 cubed (9781448425³) is 935857032157761033011811765625
• The square root of 9781448425 is 98901.2053768811
• The cube root of 9781448425 is 2138.6237712237

Scales and comparisons

• 9,781,448,425 seconds is equal to 311 years, 1 week, 5 hours, 25 seconds.
• To count from 1 to 9,781,448,425 would take you about six hundred twenty-two 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 9781448425 cubic inches would be around 178.2 feet tall.

Recreational maths with 9781448425

• 9781448425 backwards is 5248441879
• The number of decimal digits it has is: 10
• The sum of 9781448425's digits is 52
• More coming soon!