392

Names of 392

• Cardinal: 392 can be written as Three hundred ninety-two.

Scientific notation

• Scientific notation: 3.92 × 10²

Factors of 392

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 9

Divisors of 392

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 7 8 14 28 49 56 98 196 392
• Sum of all divisors σ(n): 855
• Sum of proper divisors (its aliquot sum) s(n): 463
• 392 is an abundant number, because the sum of its proper divisors (463) is greater than itself. Its abundance is 71

Bases of 392

• Binary: 110001000₂
• Hexadecimal: 0x188
• Base-36: AW

Squares and roots of 392

• 392 squared (392²) is 153664
• 392 cubed (392³) is 60236288
• The square root of 392 is 19.7989898733
• The cube root of 392 is 7.3186114201

Scales and comparisons

• 392 seconds is equal to 6 minutes, 32 seconds.
• To count from 1 to 392 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 392 cubic inches would be around 0.6 feet tall.

Recreational maths with 392

• 392 backwards is 293
• 392 is a Harshad number.
• The number of decimal digits it has is: 3
• The sum of 392's digits is 14
• More coming soon!