12790978

Names of 12790978

• Cardinal: 12790978 can be written as Twelve million, seven hundred ninety thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.2790978 × 10⁷

Factors of 12790978

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 6395491

Divisors of 12790978

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 6395489 12790978
• Sum of all divisors σ(n): 19186470
• Sum of proper divisors (its aliquot sum) s(n): 6395492
• 12790978 is a deficient number, because the sum of its proper divisors (6395492) is less than itself. Its deficiency is 6395486

Bases of 12790978

• Binary: 110000110010110011000010₂
• Hexadecimal: 0xC32CC2
• Base-36: 7M5KY

Squares and roots of 12790978

• 12790978 squared (12790978²) is 163609118196484
• 12790978 cubed (12790978³) is 2092720631450626521352
• The square root of 12790978 is 3576.4476789127
• The cube root of 12790978 is 233.8664467893

Scales and comparisons

• 12,790,978 seconds is equal to 21 weeks, 1 day, 1 hour, 2 minutes, 58 seconds.
• To count from 1 to 12,790,978 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 12790978 cubic inches would be around 19.5 feet tall.

Recreational maths with 12790978

• 12790978 backwards is 87909721
• The number of decimal digits it has is: 8
• The sum of 12790978's digits is 43
• More coming soon!