672

Names of 672

• Cardinal: 672 can be written as Six hundred seventy-two.

Scientific notation

• Scientific notation: 6.72 × 10²

Factors of 672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12

Divisors of 672

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672
• Sum of all divisors σ(n): 2016
• Sum of proper divisors (its aliquot sum) s(n): 1344
• 672 is an abundant number, because the sum of its proper divisors (1344) is greater than itself. Its abundance is 672

Bases of 672

• Binary: 1010100000₂
• Hexadecimal: 0x2A0
• Base-36: IO

Squares and roots of 672

• 672 squared (672²) is 451584
• 672 cubed (672³) is 303464448
• The square root of 672 is 25.9229627937
• The cube root of 672 is 8.7590382797

Scales and comparisons

• 672 seconds is equal to 11 minutes, 12 seconds.
• To count from 1 to 672 would take you about five 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 672 cubic inches would be around 0.7 feet tall.

Recreational maths with 672

• 672 backwards is 276
• The number of decimal digits it has is: 3
• The sum of 672's digits is 15
• More coming soon!