12730738

Names of 12730738

• Cardinal: 12730738 can be written as Twelve million, seven hundred thirty thousand, seven hundred thirty-eight.

Scientific notation

• Scientific notation: 1.2730738 × 10⁷

Factors of 12730738

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2061

Divisors of 12730738

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 37 74 89 178 1933 3293 3866 6586 71521 143042 172037 344074 6365369 12730738
• Sum of all divisors σ(n): 19842840
• Sum of proper divisors (its aliquot sum) s(n): 7112102
• 12730738 is a deficient number, because the sum of its proper divisors (7112102) is less than itself. Its deficiency is 5618636

Bases of 12730738

• Binary: 110000100100000101110010₂
• Hexadecimal: 0xC24172
• Base-36: 7KV3M

Squares and roots of 12730738

• 12730738 squared (12730738²) is 162071690024644
• 12730738 cubed (12730738³) is 2063292222920956307272
• The square root of 12730738 is 3568.0159753005
• The cube root of 12730738 is 233.4987321621

Scales and comparisons

• 12,730,738 seconds is equal to 21 weeks, 8 hours, 18 minutes, 58 seconds.
• To count from 1 to 12,730,738 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 12730738 cubic inches would be around 19.5 feet tall.

Recreational maths with 12730738

• 12730738 backwards is 83703721
• The number of decimal digits it has is: 8
• The sum of 12730738's digits is 31
• More coming soon!