18389074

Names of 18389074

• Cardinal: 18389074 can be written as Eighteen million, three hundred eighty-nine thousand and seventy-four.

Scientific notation

• Scientific notation: 1.8389074 × 10⁷

Factors of 18389074

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 139

Divisors of 18389074

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 11 19 22 29 37 38 41 58 74 82 209 319 407 418 451 551 638 703 779 814 902 1073 1102 1189 1406 1517 1558 2146 2378 3034 6061 7733 8569 11803 12122 13079 15466 16687 17138 20387 22591 23606 26158 28823 33374 40774 43993 45182 57646 87986 224257 248501 317053 448514 483923 497002 634106 835867 967846 1671734 9194537 18389074
• Sum of all divisors σ(n): 34473600
• Sum of proper divisors (its aliquot sum) s(n): 16084526
• 18389074 is a deficient number, because the sum of its proper divisors (16084526) is less than itself. Its deficiency is 2304548

Bases of 18389074

• Binary: 1000110001001100001010010₂
• Hexadecimal: 0x1189852
• Base-36: AY53M

Squares and roots of 18389074

• 18389074 squared (18389074²) is 338158042577476
• 18389074 cubed (18389074³) is 6218413268652356897224
• The square root of 18389074 is 4288.2483603449
• The cube root of 18389074 is 263.9489589877

Scales and comparisons

• 18,389,074 seconds is equal to 30 weeks, 2 days, 20 hours, 4 minutes, 34 seconds.
• To count from 1 to 18,389,074 would take you about forty-five 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 18389074 cubic inches would be around 22 feet tall.

Recreational maths with 18389074

• 18389074 backwards is 47098381
• The number of decimal digits it has is: 8
• The sum of 18389074's digits is 40
• More coming soon!