369

Names of 369

• Cardinal: 369 can be written as Three hundred sixty-nine.

Scientific notation

• Scientific notation: 3.69 × 10²

Factors of 369

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 44

Divisors of 369

• Number of divisors d(n): 6
• Complete list of divisors:
  1 3 9 41 123 369
• Sum of all divisors σ(n): 546
• Sum of proper divisors (its aliquot sum) s(n): 177
• 369 is a deficient number, because the sum of its proper divisors (177) is less than itself. Its deficiency is 192

Bases of 369

• Binary: 101110001₂
• Hexadecimal: 0x171
• Base-36: A9

Squares and roots of 369

• 369 squared (369²) is 136161
• 369 cubed (369³) is 50243409
• The square root of 369 is 19.2093727123
• The cube root of 369 is 7.1725809001

Scales and comparisons

• 369 seconds is equal to 6 minutes, 9 seconds.
• To count from 1 to 369 would take you about three 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 369 cubic inches would be around 0.6 feet tall.

Recreational maths with 369

• 369 backwards is 963
• The number of decimal digits it has is: 3
• The sum of 369's digits is 18
• More coming soon!