12520

Names of 12520

• Cardinal: 12520 can be written as Twelve thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.252 × 10⁴

Factors of 12520

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 320

Divisors of 12520

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 4 5 8 10 20 40 313 626 1252 1565 2504 3130 6260 12520
• Sum of all divisors σ(n): 28260
• Sum of proper divisors (its aliquot sum) s(n): 15740
• 12520 is an abundant number, because the sum of its proper divisors (15740) is greater than itself. Its abundance is 3220

Bases of 12520

• Binary: 11000011101000₂
• Hexadecimal: 0x30E8
• Base-36: 9NS

Squares and roots of 12520

• 12520 squared (12520²) is 156750400
• 12520 cubed (12520³) is 1962515008000
• The square root of 12520 is 111.8928058455
• The cube root of 12520 is 23.2203151427

Scales and comparisons

• 12,520 seconds is equal to 3 hours, 28 minutes, 40 seconds.
• To count from 1 to 12,520 would take you about three hours.

  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 12520 cubic inches would be around 1.9 feet tall.

Recreational maths with 12520

• 12520 backwards is 02521
• 12520 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 12520's digits is 10
• More coming soon!