72984

Names of 72984

• Cardinal: 72984 can be written as Seventy-two thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 7.2984 × 10⁴

Factors of 72984

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3046

Divisors of 72984

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 4 6 8 12 24 3041 6082 9123 12164 18246 24328 36492 72984
• Sum of all divisors σ(n): 182520
• Sum of proper divisors (its aliquot sum) s(n): 109536
• 72984 is an abundant number, because the sum of its proper divisors (109536) is greater than itself. Its abundance is 36552

Bases of 72984

• Binary: 10001110100011000₂
• Hexadecimal: 0x11D18
• Base-36: 1KBC

Squares and roots of 72984

• 72984 squared (72984²) is 5326664256
• 72984 cubed (72984³) is 388761264059904
• The square root of 72984 is 270.1555107711
• The cube root of 72984 is 41.7903383423

Scales and comparisons

• 72,984 seconds is equal to 20 hours, 16 minutes, 24 seconds.
• To count from 1 to 72,984 would take you about twenty 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 72984 cubic inches would be around 3.5 feet tall.

Recreational maths with 72984

• 72984 backwards is 48927
• The number of decimal digits it has is: 5
• The sum of 72984's digits is 30
• More coming soon!