18066930

Names of 18066930

• Cardinal: 18066930 can be written as Eighteen million, sixty-six thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 1.806693 × 10⁷

Factors of 18066930

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 623

Divisors of 18066930

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 227 379 454 681 758 1135 1137 1362 1589 1895 2270 2274 2653 3178 3405 3790 4767 5306 5685 6810 7945 7959 9534 11370 13265 15890 15918 23835 26530 39795 47670 79590 86033 172066 258099 430165 516198 602231 860330 1204462 1290495 1806693 2580990 3011155 3613386 6022310 9033465 18066930
• Sum of all divisors σ(n): 49904640
• Sum of proper divisors (its aliquot sum) s(n): 31837710
• 18066930 is an abundant number, because the sum of its proper divisors (31837710) is greater than itself. Its abundance is 13770780

Bases of 18066930

• Binary: 1000100111010110111110010₂
• Hexadecimal: 0x113ADF2
• Base-36: AR8J6

Squares and roots of 18066930

• 18066930 squared (18066930²) is 326413959624900
• 18066930 cubed (18066930³) is 5897298159565894557000
• The square root of 18066930 is 4250.5211445187
• The cube root of 18066930 is 262.3985639825

Scales and comparisons

• 18,066,930 seconds is equal to 29 weeks, 6 days, 2 hours, 35 minutes, 30 seconds.
• To count from 1 to 18,066,930 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 18066930 cubic inches would be around 21.9 feet tall.

Recreational maths with 18066930

• 18066930 backwards is 03966081
• The number of decimal digits it has is: 8
• The sum of 18066930's digits is 33
• More coming soon!