12730818

Names of 12730818

• Cardinal: 12730818 can be written as Twelve million, seven hundred thirty thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 1.2730818 × 10⁷

Factors of 12730818

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2121808

Divisors of 12730818

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 2121803 4243606 6365409 12730818
• Sum of all divisors σ(n): 25461648
• Sum of proper divisors (its aliquot sum) s(n): 12730830
• 12730818 is an abundant number, because the sum of its proper divisors (12730830) is greater than itself. Its abundance is 12

Bases of 12730818

• Binary: 110000100100000111000010₂
• Hexadecimal: 0xC241C2
• Base-36: 7KV5U

Squares and roots of 12730818

• 12730818 squared (12730818²) is 162073726949124
• 12730818 cubed (12730818³) is 2063331120370992903432
• The square root of 12730818 is 3568.0271859951
• The cube root of 12730818 is 233.4992212633

Scales and comparisons

• 12,730,818 seconds is equal to 21 weeks, 8 hours, 20 minutes, 18 seconds.
• To count from 1 to 12,730,818 would take you about thirty-one 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 12730818 cubic inches would be around 19.5 feet tall.

Recreational maths with 12730818

• 12730818 backwards is 81803721
• The number of decimal digits it has is: 8
• The sum of 12730818's digits is 30
• More coming soon!