12838

Names of 12838

• Cardinal: 12838 can be written as Twelve thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.2838 × 10⁴

Factors of 12838

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 140

Divisors of 12838

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 7 14 49 98 131 262 917 1834 6419 12838
• Sum of all divisors σ(n): 22572
• Sum of proper divisors (its aliquot sum) s(n): 9734
• 12838 is a deficient number, because the sum of its proper divisors (9734) is less than itself. Its deficiency is 3104

Bases of 12838

• Binary: 11001000100110₂
• Hexadecimal: 0x3226
• Base-36: 9WM

Squares and roots of 12838

• 12838 squared (12838²) is 164814244
• 12838 cubed (12838³) is 2115885264472
• The square root of 12838 is 113.3048983937
• The cube root of 12838 is 23.4152675097

Scales and comparisons

• 12,838 seconds is equal to 3 hours, 33 minutes, 58 seconds.
• To count from 1 to 12,838 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 12838 cubic inches would be around 2 feet tall.

Recreational maths with 12838

• 12838 backwards is 83821
• The number of decimal digits it has is: 5
• The sum of 12838's digits is 22
• More coming soon!