30042

Names of 30042

• Cardinal: 30042 can be written as Thirty thousand and forty-two.

Scientific notation

• Scientific notation: 3.0042 × 10⁴

Factors of 30042

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1674

Divisors of 30042

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 3 6 9 18 1669 3338 5007 10014 15021 30042
• Sum of all divisors σ(n): 65130
• Sum of proper divisors (its aliquot sum) s(n): 35088
• 30042 is an abundant number, because the sum of its proper divisors (35088) is greater than itself. Its abundance is 5046

Bases of 30042

• Binary: 111010101011010₂
• Hexadecimal: 0x755A
• Base-36: N6I

Squares and roots of 30042

• 30042 squared (30042²) is 902521764
• 30042 cubed (30042³) is 27113558834088
• The square root of 30042 is 173.3262819079
• The cube root of 30042 is 31.0868187163

Scales and comparisons

• 30,042 seconds is equal to 8 hours, 20 minutes, 42 seconds.
• To count from 1 to 30,042 would take you about eight 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 30042 cubic inches would be around 2.6 feet tall.

Recreational maths with 30042

• 30042 backwards is 24003
• 30042 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 30042's digits is 9
• More coming soon!