78025

Names of 78025

• Cardinal: 78025 can be written as Seventy-eight thousand and twenty-five.

Scientific notation

• Scientific notation: 7.8025 × 10⁴

Factors of 78025

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3126

Divisors of 78025

• Number of divisors d(n): 6
• Complete list of divisors:
  1 5 25 3121 15605 78025
• Sum of all divisors σ(n): 96782
• Sum of proper divisors (its aliquot sum) s(n): 18757
• 78025 is a deficient number, because the sum of its proper divisors (18757) is less than itself. Its deficiency is 59268

Bases of 78025

• Binary: 10011000011001001₂
• Hexadecimal: 0x130C9
• Base-36: 1O7D

Squares and roots of 78025

• 78025 squared (78025²) is 6087900625
• 78025 cubed (78025³) is 475008446265625
• The square root of 78025 is 279.3295544693
• The cube root of 78025 is 42.7311511355

Scales and comparisons

• 78,025 seconds is equal to 21 hours, 40 minutes, 25 seconds.
• To count from 1 to 78,025 would take you about twenty-one 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 78025 cubic inches would be around 3.6 feet tall.

Recreational maths with 78025

• 78025 backwards is 52087
• The number of decimal digits it has is: 5
• The sum of 78025's digits is 22
• More coming soon!