18440830

Names of 18440830

• Cardinal: 18440830 can be written as Eighteen million, four hundred forty thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.844083 × 10⁷

Factors of 18440830

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1464

Divisors of 18440830

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 19 38 71 95 142 190 355 710 1349 1367 2698 2734 6745 6835 13490 13670 25973 51946 97057 129865 194114 259730 485285 970570 1844083 3688166 9220415 18440830
• Sum of all divisors σ(n): 35458560
• Sum of proper divisors (its aliquot sum) s(n): 17017730
• 18440830 is a deficient number, because the sum of its proper divisors (17017730) is less than itself. Its deficiency is 1423100

Bases of 18440830

• Binary: 1000110010110001001111110₂
• Hexadecimal: 0x119627E
• Base-36: AZ91A

Squares and roots of 18440830

• 18440830 squared (18440830²) is 340064211088900
• 18440830 cubed (18440830³) is 6271066305774519787000
• The square root of 18440830 is 4294.2787520139
• The cube root of 18440830 is 264.1963549159

Scales and comparisons

• 18,440,830 seconds is equal to 30 weeks, 3 days, 10 hours, 27 minutes, 10 seconds.
• To count from 1 to 18,440,830 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 18440830 cubic inches would be around 22 feet tall.

Recreational maths with 18440830

• 18440830 backwards is 03804481
• The number of decimal digits it has is: 8
• The sum of 18440830's digits is 28
• More coming soon!