30189531

Names of 30189531

• Cardinal: 30189531 can be written as Thirty million, one hundred eighty-nine thousand, five hundred thirty-one.

Scientific notation

• Scientific notation: 3.0189531 × 10⁷

Factors of 30189531

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7625

Divisors of 30189531

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 1699 5097 5923 17769 10063177 30189531
• Sum of all divisors σ(n): 40283200
• Sum of proper divisors (its aliquot sum) s(n): 10093669
• 30189531 is a deficient number, because the sum of its proper divisors (10093669) is less than itself. Its deficiency is 20095862

Bases of 30189531

• Binary: 1110011001010011111011011₂
• Hexadecimal: 0x1CCA7DB
• Base-36: HZ2E3

Squares and roots of 30189531

• 30189531 squared (30189531²) is 911407781999961
• 30189531 cubed (30189531³) is 27514973488329064608291
• The square root of 30189531 is 5494.5000682501
• The cube root of 30189531 is 311.3762295051

Scales and comparisons

• 30,189,531 seconds is equal to 49 weeks, 6 days, 9 hours, 58 minutes, 51 seconds.
• To count from 1 to 30,189,531 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 30189531 cubic inches would be around 25.9 feet tall.

Recreational maths with 30189531

• 30189531 backwards is 13598103
• The number of decimal digits it has is: 8
• The sum of 30189531's digits is 30
• More coming soon!