81234

Names of 81234

• Cardinal: 81234 can be written as Eighty-one thousand, two hundred thirty-four.

Scientific notation

• Scientific notation: 8.1234 × 10⁴

Factors of 81234

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 4518

Divisors of 81234

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 3 6 9 18 4513 9026 13539 27078 40617 81234
• Sum of all divisors σ(n): 176046
• Sum of proper divisors (its aliquot sum) s(n): 94812
• 81234 is an abundant number, because the sum of its proper divisors (94812) is greater than itself. Its abundance is 13578

Bases of 81234

• Binary: 10011110101010010₂
• Hexadecimal: 0x13D52
• Base-36: 1QOI

Squares and roots of 81234

• 81234 squared (81234²) is 6598962756
• 81234 cubed (81234³) is 536060140520904
• The square root of 81234 is 285.0157890363
• The cube root of 81234 is 43.3091120393

Scales and comparisons

• 81,234 seconds is equal to 22 hours, 33 minutes, 54 seconds.
• To count from 1 to 81,234 would take you about twenty-two 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 81234 cubic inches would be around 3.6 feet tall.

Recreational maths with 81234

• 81234 backwards is 43218
• 81234 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 81234's digits is 18
• More coming soon!