22197390

Names of 22197390

• Cardinal: 22197390 can be written as Twenty-two million, one hundred ninety-seven thousand, three hundred ninety.

Scientific notation

• Scientific notation: 2.219739 × 10⁷

Factors of 22197390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1984

Divisors of 22197390

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 10 15 30 503 1006 1471 1509 2515 2942 3018 4413 5030 7355 7545 8826 14710 15090 22065 44130 739913 1479826 2219739 3699565 4439478 7399130 11098695 22197390
• Sum of all divisors σ(n): 53415936
• Sum of proper divisors (its aliquot sum) s(n): 31218546
• 22197390 is an abundant number, because the sum of its proper divisors (31218546) is greater than itself. Its abundance is 9021156

Bases of 22197390

• Binary: 1010100101011010010001110₂
• Hexadecimal: 0x152B48E
• Base-36: D7RM6

Squares and roots of 22197390

• 22197390 squared (22197390²) is 492724122812100
• 22197390 cubed (22197390³) is 10937189516468080419000
• The square root of 22197390 is 4711.4106167899
• The cube root of 22197390 is 281.0394611991

Scales and comparisons

• 22,197,390 seconds is equal to 36 weeks, 4 days, 21 hours, 56 minutes, 30 seconds.
• To count from 1 to 22,197,390 would take you about three weeks!

  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 22197390 cubic inches would be around 23.4 feet tall.

Recreational maths with 22197390

• 22197390 backwards is 09379122
• The number of decimal digits it has is: 8
• The sum of 22197390's digits is 33
• More coming soon!