28218060

Names of 28218060

• Cardinal: 28218060 can be written as Twenty-eight million, two hundred eighteen thousand and sixty.

Scientific notation

• Scientific notation: 2.821806 × 10⁷

Factors of 28218060

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 443

Divisors of 28218060

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 31 36 39 45 52 60 62 65 78 90 93 117 124 130 155 156 180 186 195 234 260 279 310 372 389 390 403 465 468 558 585 620 778 780 806 930 1116 1167 1170 1209 1395 1556 1612 1860 1945 2015 2334 2340 2418 2790 3501 3627 3890 4030 4668 4836 5057 5580 5835 6045 7002 7254 7780 8060 10114 11670 12059 12090 14004 14508 15171 17505 18135 20228 23340 24118 24180 25285 30342 35010 36177 36270 45513 48236 50570 60295 60684 70020 72354 72540 75855 91026 101140 108531 120590 144708 151710 156767 180885 182052 217062 227565 241180 303420 313534 361770 434124 455130 470301 542655 627068 723540 783835 910260 940602 1085310 1410903 1567670 1881204 2170620 2351505 2821806 3135340 4703010 5643612 7054515 9406020 14109030 28218060
• Sum of all divisors σ(n): 95397120
• Sum of proper divisors (its aliquot sum) s(n): 67179060
• 28218060 is an abundant number, because the sum of its proper divisors (67179060) is greater than itself. Its abundance is 38961000

Bases of 28218060

• Binary: 1101011101001001011001100₂
• Hexadecimal: 0x1AE92CC
• Base-36: GST70

Squares and roots of 28218060

• 28218060 squared (28218060²) is 796258910163600
• 28218060 cubed (28218060³) is 22468881702531074616000
• The square root of 28218060 is 5312.0673941507
• The cube root of 28218060 is 304.4451436849

Scales and comparisons

• 28,218,060 seconds is equal to 46 weeks, 4 days, 14 hours, 21 minutes.
• To count from 1 to 28,218,060 would take you about seventeen 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 28218060 cubic inches would be around 25.4 feet tall.

Recreational maths with 28218060

• 28218060 backwards is 06081282
• The number of decimal digits it has is: 8
• The sum of 28218060's digits is 27
• More coming soon!