28404750

Names of 28404750

• Cardinal: 28404750 can be written as Twenty-eight million, four hundred four thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 2.840475 × 10⁷

Factors of 28404750

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 334

Divisors of 28404750

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 121 125 150 165 242 250 275 313 330 363 375 550 605 626 726 750 825 939 1210 1375 1565 1650 1815 1878 2750 3025 3130 3443 3630 4125 4695 6050 6886 7825 8250 9075 9390 10329 15125 15650 17215 18150 20658 23475 30250 34430 37873 39125 45375 46950 51645 75746 78250 86075 90750 103290 113619 117375 172150 189365 227238 234750 258225 378730 430375 516450 568095 860750 946825 1136190 1291125 1893650 2582250 2840475 4734125 5680950 9468250 14202375 28404750
• Sum of all divisors σ(n): 78178464
• Sum of proper divisors (its aliquot sum) s(n): 49773714
• 28404750 is an abundant number, because the sum of its proper divisors (49773714) is greater than itself. Its abundance is 21368964

Bases of 28404750

• Binary: 1101100010110110000001110₂
• Hexadecimal: 0x1B16C0E
• Base-36: GWT8U

Squares and roots of 28404750

• 28404750 squared (28404750²) is 806829822562500
• 28404750 cubed (28404750³) is 22917799402432171875000
• The square root of 28404750 is 5329.6106799653
• The cube root of 28404750 is 305.1150690069

Scales and comparisons

• 28,404,750 seconds is equal to 46 weeks, 6 days, 18 hours, 12 minutes, 30 seconds.
• To count from 1 to 28,404,750 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 28404750 cubic inches would be around 25.4 feet tall.

Recreational maths with 28404750

• 28404750 backwards is 05740482
• 28404750 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28404750's digits is 30
• More coming soon!