270

Names of 270

• Cardinal: 270 can be written as Two hundred seventy.

Scientific notation

• Scientific notation: 2.7 × 10²

Factors of 270

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 10

Divisors of 270

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270
• Sum of all divisors σ(n): 720
• Sum of proper divisors (its aliquot sum) s(n): 450
• 270 is an abundant number, because the sum of its proper divisors (450) is greater than itself. Its abundance is 180

Bases of 270

• Binary: 100001110₂
• Hexadecimal: 0x10E
• Base-36: 7I

Squares and roots of 270

• 270 squared (270²) is 72900
• 270 cubed (270³) is 19683000
• The square root of 270 is 16.4316767251
• The cube root of 270 is 6.4633040701

Scales and comparisons

• 270 seconds is equal to 4 minutes, 30 seconds.
• To count from 1 to 270 would take you about two minutes.

  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 270 cubic inches would be around 0.5 feet tall.

Recreational maths with 270

• 270 backwards is 072
• 270 is a Harshad number.
• The number of decimal digits it has is: 3
• The sum of 270's digits is 9
• More coming soon!