72404

Names of 72404

• Cardinal: 72404 can be written as Seventy-two thousand, four hundred four.

Scientific notation

• Scientific notation: 7.2404 × 10⁴

Factors of 72404

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 812

Divisors of 72404

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 23 46 92 787 1574 3148 18101 36202 72404
• Sum of all divisors σ(n): 132384
• Sum of proper divisors (its aliquot sum) s(n): 59980
• 72404 is a deficient number, because the sum of its proper divisors (59980) is less than itself. Its deficiency is 12424

Bases of 72404

• Binary: 10001101011010100₂
• Hexadecimal: 0x11AD4
• Base-36: 1JV8

Squares and roots of 72404

• 72404 squared (72404²) is 5242339216
• 72404 cubed (72404³) is 379566328595264
• The square root of 72404 is 269.0799137803
• The cube root of 72404 is 41.6793419215

Scales and comparisons

• 72,404 seconds is equal to 20 hours, 6 minutes, 44 seconds.
• To count from 1 to 72,404 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 72404 cubic inches would be around 3.5 feet tall.

Recreational maths with 72404

• 72404 backwards is 40427
• The number of decimal digits it has is: 5
• The sum of 72404's digits is 17
• More coming soon!