72150

Names of 72150

• Cardinal: 72150 can be written as Seventy-two thousand, one hundred fifty.

Scientific notation

• Scientific notation: 7.215 × 10⁴

Factors of 72150

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 60

Divisors of 72150

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 10 13 15 25 26 30 37 39 50 65 74 75 78 111 130 150 185 195 222 325 370 390 481 555 650 925 962 975 1110 1443 1850 1950 2405 2775 2886 4810 5550 7215 12025 14430 24050 36075 72150
• Sum of all divisors σ(n): 197904
• Sum of proper divisors (its aliquot sum) s(n): 125754
• 72150 is an abundant number, because the sum of its proper divisors (125754) is greater than itself. Its abundance is 53604

Bases of 72150

• Binary: 10001100111010110₂
• Hexadecimal: 0x119D6
• Base-36: 1JO6

Squares and roots of 72150

• 72150 squared (72150²) is 5205622500
• 72150 cubed (72150³) is 375585663375000
• The square root of 72150 is 268.6075203713
• The cube root of 72150 is 41.6305464747

Scales and comparisons

• 72,150 seconds is equal to 20 hours, 2 minutes, 30 seconds.
• To count from 1 to 72,150 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 72150 cubic inches would be around 3.5 feet tall.

Recreational maths with 72150

• 72150 backwards is 05127
• 72150 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 72150's digits is 15
• More coming soon!