13128

Names of 13128

• Cardinal: 13128 can be written as Thirteen thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3128 × 10⁴

Factors of 13128

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 552

Divisors of 13128

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 4 6 8 12 24 547 1094 1641 2188 3282 4376 6564 13128
• Sum of all divisors σ(n): 32880
• Sum of proper divisors (its aliquot sum) s(n): 19752
• 13128 is an abundant number, because the sum of its proper divisors (19752) is greater than itself. Its abundance is 6624

Bases of 13128

• Binary: 11001101001000₂
• Hexadecimal: 0x3348
• Base-36: A4O

Squares and roots of 13128

• 13128 squared (13128²) is 172344384
• 13128 cubed (13128³) is 2262537073152
• The square root of 13128 is 114.5774846991
• The cube root of 13128 is 23.5902669815

Scales and comparisons

• 13,128 seconds is equal to 3 hours, 38 minutes, 48 seconds.
• To count from 1 to 13,128 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 13128 cubic inches would be around 2 feet tall.

Recreational maths with 13128

• 13128 backwards is 82131
• The number of decimal digits it has is: 5
• The sum of 13128's digits is 15
• More coming soon!