18023850

Names of 18023850

• Cardinal: 18023850 can be written as Eighteen million, twenty-three thousand, eight hundred fifty.

Scientific notation

• Scientific notation: 1.802385 × 10⁷

Factors of 18023850

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 102

Divisors of 18023850

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 25 26 27 30 39 45 50 54 65 75 78 79 90 117 130 135 150 158 169 195 225 234 237 270 325 338 351 390 395 450 474 507 585 650 675 702 711 790 845 975 1014 1027 1170 1185 1350 1422 1521 1690 1755 1950 1975 2054 2133 2370 2535 2925 3042 3081 3510 3555 3950 4225 4266 4563 5070 5135 5850 5925 6162 7110 7605 8450 8775 9126 9243 10270 10665 11850 12675 13351 15210 15405 17550 17775 18486 21330 22815 25350 25675 26702 27729 30810 35550 38025 40053 45630 46215 51350 53325 55458 66755 76050 77025 80106 92430 106650 114075 120159 133510 138645 154050 200265 228150 231075 240318 277290 333775 360477 400530 462150 600795 667550 693225 720954 1001325 1201590 1386450 1802385 2002650 3003975 3604770 6007950 9011925 18023850
• Sum of all divisors σ(n): 54460800
• Sum of proper divisors (its aliquot sum) s(n): 36436950
• 18023850 is an abundant number, because the sum of its proper divisors (36436950) is greater than itself. Its abundance is 18413100

Bases of 18023850

• Binary: 1000100110000010110101010₂
• Hexadecimal: 0x11305AA
• Base-36: AQBAI

Squares and roots of 18023850

• 18023850 squared (18023850²) is 324859168822500
• 18023850 cubed (18023850³) is 5855212929981416625000
• The square root of 18023850 is 4245.4505061301
• The cube root of 18023850 is 262.1898377475

Scales and comparisons

• 18,023,850 seconds is equal to 29 weeks, 5 days, 14 hours, 37 minutes, 30 seconds.
• To count from 1 to 18,023,850 would take you about forty-four 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 18023850 cubic inches would be around 21.8 feet tall.

Recreational maths with 18023850

• 18023850 backwards is 05832081
• 18023850 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18023850's digits is 27
• More coming soon!