72009222

Names of 72009222

• Cardinal: 72009222 can be written as Seventy-two million, nine thousand, two hundred twenty-two.

Scientific notation

• Scientific notation: 7.2009222 × 10⁷

Factors of 72009222

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 12001542

Divisors of 72009222

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 12001537 24003074 36004611 72009222
• Sum of all divisors σ(n): 144018456
• Sum of proper divisors (its aliquot sum) s(n): 72009234
• 72009222 is an abundant number, because the sum of its proper divisors (72009234) is greater than itself. Its abundance is 12

Bases of 72009222

• Binary: 100010010101100011000000110₂
• Hexadecimal: 0x44AC606
• Base-36: 16VEO6

Squares and roots of 72009222

• 72009222 squared (72009222²) is 5185328053045284
• 72009222 cubed (72009222³) is 373391438914565631609048
• The square root of 72009222 is 8485.8247684005
• The cube root of 72009222 is 416.0345254567

Scales and comparisons

• 72,009,222 seconds is equal to 2 years, 15 weeks, 10 hours, 33 minutes, 42 seconds.
• To count from 1 to 72,009,222 would take you about three 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 72009222 cubic inches would be around 34.7 feet tall.

Recreational maths with 72009222

• 72009222 backwards is 22290027
• The number of decimal digits it has is: 8
• The sum of 72009222's digits is 24
• More coming soon!