1225038465

Names of 1225038465

• Cardinal: 1225038465 can be written as One billion, two hundred twenty-five million, thirty-eight thousand, four hundred sixty-five.

Scientific notation

• Scientific notation: 1.225038465 × 10⁹

Factors of 1225038465

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1823

Divisors of 1225038465

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 49 63 105 109 135 147 189 245 315 327 441 545 735 763 945 981 1323 1635 1699 2205 2289 2943 3815 4905 5097 5341 6615 6867 8495 11445 11893 14715 15291 16023 20601 25485 26705 34335 35679 45873 48069 59465 76455 80115 83251 103005 107037 144207 178395 185191 229365 240345 249753 321111 416255 535185 555573 721035 749259 925955 1248765 1296337 1605555 1666719 2247777 2777865 3746295 3889011 5000157 6481685 8333595 9074359 11238885 11667033 19445055 25000785 27223077 35001099 45371795 58335165 81669231 136115385 175005495 245007693 408346155 1225038465
• Sum of all divisors σ(n): 2558160000
• Sum of proper divisors (its aliquot sum) s(n): 1333121535
• 1225038465 is an abundant number, because the sum of its proper divisors (1333121535) is greater than itself. Its abundance is 108083070

Bases of 1225038465

• Binary: 1001001000001001001101010000001₂
• Hexadecimal: 0x49049A81
• Base-36: K9CTQ9

Squares and roots of 1225038465

• 1225038465 squared (1225038465²) is 1500719240729556225
• 1225038465 cubed (1225038465³) is 1838438795059301038005194625
• The square root of 1225038465 is 35000.5494956865
• The cube root of 1225038465 is 1069.9986796501

Scales and comparisons

• 1,225,038,465 seconds is equal to 38 years, 49 weeks, 3 days, 16 hours, 27 minutes, 45 seconds.
• To count from 1 to 1,225,038,465 would take you about seventy-seven 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 1225038465 cubic inches would be around 89.2 feet tall.

Recreational maths with 1225038465

• 1225038465 backwards is 5648305221
• The number of decimal digits it has is: 10
• The sum of 1225038465's digits is 36
• More coming soon!