28274430

Names of 28274430

• Cardinal: 28274430 can be written as Twenty-eight million, two hundred seventy-four thousand, four hundred thirty.

Scientific notation

• Scientific notation: 2.827443 × 10⁷

Factors of 28274430

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2280

Divisors of 28274430

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 10 15 30 547 1094 1641 1723 2735 3282 3446 5169 5470 8205 8615 10338 16410 17230 25845 51690 942481 1884962 2827443 4712405 5654886 9424810 14137215 28274430
• Sum of all divisors σ(n): 68022144
• Sum of proper divisors (its aliquot sum) s(n): 39747714
• 28274430 is an abundant number, because the sum of its proper divisors (39747714) is greater than itself. Its abundance is 11473284

Bases of 28274430

• Binary: 1101011110110111011111110₂
• Hexadecimal: 0x1AF6EFE
• Base-36: GU0OU

Squares and roots of 28274430

• 28274430 squared (28274430²) is 799443391824900
• 28274430 cubed (28274430³) is 22603806221115707307000
• The square root of 28274430 is 5317.3705908089
• The cube root of 28274430 is 304.6477344815

Scales and comparisons

• 28,274,430 seconds is equal to 46 weeks, 5 days, 6 hours, 30 seconds.
• To count from 1 to 28,274,430 would take you about eighteen 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 28274430 cubic inches would be around 25.4 feet tall.

Recreational maths with 28274430

• 28274430 backwards is 03447282
• 28274430 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28274430's digits is 30
• More coming soon!