5215

Names of 5215

• Cardinal: 5215 can be written as Five thousand, two hundred fifteen.

Scientific notation

• Scientific notation: 5.215 × 10³

Factors of 5215

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 161

Divisors of 5215

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 7 35 149 745 1043 5215
• Sum of all divisors σ(n): 7200
• Sum of proper divisors (its aliquot sum) s(n): 1985
• 5215 is a deficient number, because the sum of its proper divisors (1985) is less than itself. Its deficiency is 3230

Bases of 5215

• Binary: 1010001011111₂
• Hexadecimal: 0x145F
• Base-36: 40V

Squares and roots of 5215

• 5215 squared (5215²) is 27196225
• 5215 cubed (5215³) is 141828313375
• The square root of 5215 is 72.2149568995
• The cube root of 5215 is 17.3414245591

Scales and comparisons

• 5,215 seconds is equal to 1 hour, 26 minutes, 55 seconds.
• To count from 1 to 5,215 would take you about twenty-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 5215 cubic inches would be around 1.4 feet tall.

Recreational maths with 5215

• 5215 backwards is 5125
• The number of decimal digits it has is: 4
• The sum of 5215's digits is 13
• More coming soon!