72159

Names of 72159

• Cardinal: 72159 can be written as Seventy-two thousand, one hundred fifty-nine.

Scientific notation

• Scientific notation: 7.2159 × 10⁴

Factors of 72159

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 429

Divisors of 72159

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 67 201 359 1077 24053 72159
• Sum of all divisors σ(n): 97920
• Sum of proper divisors (its aliquot sum) s(n): 25761
• 72159 is a deficient number, because the sum of its proper divisors (25761) is less than itself. Its deficiency is 46398

Bases of 72159

• Binary: 10001100111011111₂
• Hexadecimal: 0x119DF
• Base-36: 1JOF

Squares and roots of 72159

• 72159 squared (72159²) is 5206921281
• 72159 cubed (72159³) is 375726232715679
• The square root of 72159 is 268.6242729167
• The cube root of 72159 is 41.6322774027

Scales and comparisons

• 72,159 seconds is equal to 20 hours, 2 minutes, 39 seconds.
• To count from 1 to 72,159 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 72159 cubic inches would be around 3.5 feet tall.

Recreational maths with 72159

• 72159 backwards is 95127
• The number of decimal digits it has is: 5
• The sum of 72159's digits is 24
• More coming soon!