1225790272

Names of 1225790272

• Cardinal: 1225790272 can be written as One billion, two hundred twenty-five million, seven hundred ninety thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.225790272 × 10⁹

Factors of 1225790272

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 390886

Divisors of 1225790272

• Number of divisors d(n): 42
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 390877 781754 1563508 2736139 3127016 5472278 6254032 10944556 12508064 19152973 21889112 25016128 38305946 43778224 76611892 87556448 153223784 175112896 306447568 612895136 1225790272
• Sum of all divisors σ(n): 2829565842
• Sum of proper divisors (its aliquot sum) s(n): 1603775570
• 1225790272 is an abundant number, because the sum of its proper divisors (1603775570) is greater than itself. Its abundance is 377985298

Bases of 1225790272

• Binary: 1001001000100000001001101000000₂
• Hexadecimal: 0x49101340
• Base-36: K9SXTS

Squares and roots of 1225790272

• 1225790272 squared (1225790272²) is 1502561790929833984
• 1225790272 cubed (1225790272³) is 1841825626400688332162203648
• The square root of 1225790272 is 35011.2877798005
• The cube root of 1225790272 is 1070.2175212121

Scales and comparisons

• 1,225,790,272 seconds is equal to 38 years, 50 weeks, 5 days, 9 hours, 17 minutes, 52 seconds.
• To count from 1 to 1,225,790,272 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 1225790272 cubic inches would be around 89.2 feet tall.

Recreational maths with 1225790272

• 1225790272 backwards is 2720975221
• The number of decimal digits it has is: 10
• The sum of 1225790272's digits is 37
• More coming soon!