13138

Names of 13138

• Cardinal: 13138 can be written as Thirteen thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3138 × 10⁴

Factors of 13138

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 6571

Divisors of 13138

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 6569 13138
• Sum of all divisors σ(n): 19710
• Sum of proper divisors (its aliquot sum) s(n): 6572
• 13138 is a deficient number, because the sum of its proper divisors (6572) is less than itself. Its deficiency is 6566

Bases of 13138

• Binary: 11001101010010₂
• Hexadecimal: 0x3352
• Base-36: A4Y

Squares and roots of 13138

• 13138 squared (13138²) is 172607044
• 13138 cubed (13138³) is 2267711344072
• The square root of 13138 is 114.6211149833
• The cube root of 13138 is 23.5962552711

Scales and comparisons

• 13,138 seconds is equal to 3 hours, 38 minutes, 58 seconds.
• To count from 1 to 13,138 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 13138 cubic inches would be around 2 feet tall.

Recreational maths with 13138

• 13138 backwards is 83131
• The number of decimal digits it has is: 5
• The sum of 13138's digits is 16
• More coming soon!