3213

Names of 3213

• Cardinal: 3213 can be written as Three thousand, two hundred thirteen.

Scientific notation

• Scientific notation: 3.213 × 10³

Factors of 3213

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 27

Divisors of 3213

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 7 9 17 21 27 51 63 119 153 189 357 459 1071 3213
• Sum of all divisors σ(n): 5760
• Sum of proper divisors (its aliquot sum) s(n): 2547
• 3213 is a deficient number, because the sum of its proper divisors (2547) is less than itself. Its deficiency is 666

Bases of 3213

• Binary: 110010001101₂
• Hexadecimal: 0xC8D
• Base-36: 2H9

Squares and roots of 3213

• 3213 squared (3213²) is 10323369
• 3213 cubed (3213³) is 33168984597
• The square root of 3213 is 56.6833308831
• The cube root of 3213 is 14.7560542033

Scales and comparisons

• 3,213 seconds is equal to 53 minutes, 33 seconds.
• To count from 1 to 3,213 would take you about fifty-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 3213 cubic inches would be around 1.2 feet tall.

Recreational maths with 3213

• 3213 backwards is 3123
• 3213 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 3213's digits is 9
• More coming soon!