2215

Names of 2215

• Cardinal: 2215 can be written as Two thousand, two hundred fifteen.

Scientific notation

• Scientific notation: 2.215 × 10³

Factors of 2215

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 448

Divisors of 2215

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 443 2215
• Sum of all divisors σ(n): 2664
• Sum of proper divisors (its aliquot sum) s(n): 449
• 2215 is a deficient number, because the sum of its proper divisors (449) is less than itself. Its deficiency is 1766

Bases of 2215

• Binary: 100010100111₂
• Hexadecimal: 0x8A7
• Base-36: 1PJ

Squares and roots of 2215

• 2215 squared (2215²) is 4906225
• 2215 cubed (2215³) is 10867288375
• The square root of 2215 is 47.0637865029
• The cube root of 2215 is 13.0354064391

Scales and comparisons

• 2,215 seconds is equal to 36 minutes, 55 seconds.
• To count from 1 to 2,215 would take you about thirty-six 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 2215 cubic inches would be around 1.1 feet tall.

Recreational maths with 2215

• 2215 backwards is 5122
• The number of decimal digits it has is: 4
• The sum of 2215's digits is 10
• More coming soon!