30188842

Names of 30188842

• Cardinal: 30188842 can be written as Thirty million, one hundred eighty-eight thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 3.0188842 × 10⁷

Factors of 30188842

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 15094423

Divisors of 30188842

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 15094421 30188842
• Sum of all divisors σ(n): 45283266
• Sum of proper divisors (its aliquot sum) s(n): 15094424
• 30188842 is a deficient number, because the sum of its proper divisors (15094424) is less than itself. Its deficiency is 15094418

Bases of 30188842

• Binary: 1110011001010010100101010₂
• Hexadecimal: 0x1CCA52A
• Base-36: HZ1UY

Squares and roots of 30188842

• 30188842 squared (30188842²) is 911366181300964
• 30188842 cubed (30188842³) is 27513089651438156643688
• The square root of 30188842 is 5494.4373688305
• The cube root of 30188842 is 311.3738606943

Scales and comparisons

• 30,188,842 seconds is equal to 49 weeks, 6 days, 9 hours, 47 minutes, 22 seconds.
• To count from 1 to 30,188,842 would take you about twenty-two weeks!

  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 30188842 cubic inches would be around 25.9 feet tall.

Recreational maths with 30188842

• 30188842 backwards is 24888103
• The number of decimal digits it has is: 8
• The sum of 30188842's digits is 34
• More coming soon!