28375242

Names of 28375242

• Cardinal: 28375242 can be written as Twenty-eight million, three hundred seventy-five thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 2.8375242 × 10⁷

Factors of 28375242

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 675613

Divisors of 28375242

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 7 14 21 42 675601 1351202 2026803 4053606 4729207 9458414 14187621 28375242
• Sum of all divisors σ(n): 64857792
• Sum of proper divisors (its aliquot sum) s(n): 36482550
• 28375242 is an abundant number, because the sum of its proper divisors (36482550) is greater than itself. Its abundance is 8107308

Bases of 28375242

• Binary: 1101100001111100011001010₂
• Hexadecimal: 0x1B0F8CA
• Base-36: GW6H6

Squares and roots of 28375242

• 28375242 squared (28375242²) is 805154358558564
• 28375242 cubed (28375242³) is 22846449771454024672488
• The square root of 28375242 is 5326.8416533627
• The cube root of 28375242 is 305.0093771193

Scales and comparisons

• 28,375,242 seconds is equal to 46 weeks, 6 days, 10 hours, 42 seconds.
• To count from 1 to 28,375,242 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 28375242 cubic inches would be around 25.4 feet tall.

Recreational maths with 28375242

• 28375242 backwards is 24257382
• The number of decimal digits it has is: 8
• The sum of 28375242's digits is 33
• More coming soon!