30428230

Names of 30428230

• Cardinal: 30428230 can be written as Thirty million, four hundred twenty-eight thousand, two hundred thirty.

Scientific notation

• Scientific notation: 3.042823 × 10⁷

Factors of 30428230

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 434703

Divisors of 30428230

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 7 10 14 35 70 434689 869378 2173445 3042823 4346890 6085646 15214115 30428230
• Sum of all divisors σ(n): 62595360
• Sum of proper divisors (its aliquot sum) s(n): 32167130
• 30428230 is an abundant number, because the sum of its proper divisors (32167130) is greater than itself. Its abundance is 1738900

Bases of 30428230

• Binary: 1110100000100110001000110₂
• Hexadecimal: 0x1D04C46
• Base-36: I46KM

Squares and roots of 30428230

• 30428230 squared (30428230²) is 925877180932900
• 30428230 cubed (30428230³) is 28172803813177895767000
• The square root of 30428230 is 5516.1789311081
• The cube root of 30428230 is 312.1947269505

Scales and comparisons

• 30,428,230 seconds is equal to 50 weeks, 2 days, 4 hours, 17 minutes, 10 seconds.
• To count from 1 to 30,428,230 would take you about twenty-three 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 30428230 cubic inches would be around 26 feet tall.

Recreational maths with 30428230

• 30428230 backwards is 03282403
• The number of decimal digits it has is: 8
• The sum of 30428230's digits is 22
• More coming soon!