212

Names of 212

• Cardinal: 212 can be written as Two hundred twelve.

Scientific notation

• Scientific notation: 2.12 × 10²

Factors of 212

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 55

Divisors of 212

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 53 106 212
• Sum of all divisors σ(n): 378
• Sum of proper divisors (its aliquot sum) s(n): 166
• 212 is a deficient number, because the sum of its proper divisors (166) is less than itself. Its deficiency is 46

Bases of 212

• Binary: 11010100₂
• Hexadecimal: 0xD4
• Base-36: 5W

Squares and roots of 212

• 212 squared (212²) is 44944
• 212 cubed (212³) is 9528128
• The square root of 212 is 14.5602197785
• The cube root of 212 is 5.9627319577

Scales and comparisons

• 212 seconds is equal to 3 minutes, 32 seconds.
• To count from 1 to 212 would take you about forty-six seconds.

  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 212 cubic inches would be around 0.5 feet tall.

Recreational maths with 212

• 212 is the same when its digits are reversed! That makes it a palindromic number.
• The number of decimal digits it has is: 3
• The sum of 212's digits is 5
• More coming soon!