12142947

Names of 12142947

• Cardinal: 12142947 can be written as Twelve million, one hundred forty-two thousand, nine hundred forty-seven.

Scientific notation

• Scientific notation: 1.2142947 × 10⁷

Factors of 12142947

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 998

Divisors of 12142947

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 17 51 457 521 1371 1563 7769 8857 23307 26571 238097 714291 4047649 12142947
• Sum of all divisors σ(n): 17213472
• Sum of proper divisors (its aliquot sum) s(n): 5070525
• 12142947 is a deficient number, because the sum of its proper divisors (5070525) is less than itself. Its deficiency is 7072422

Bases of 12142947

• Binary: 101110010100100101100011₂
• Hexadecimal: 0xB94963
• Base-36: 789K3

Squares and roots of 12142947

• 12142947 squared (12142947²) is 147451161844809
• 12142947 cubed (12142947³) is 1790491643369937912123
• The square root of 12142947 is 3484.6731554049
• The cube root of 12142947 is 229.8483373183

Scales and comparisons

• 12,142,947 seconds is equal to 20 weeks, 13 hours, 2 minutes, 27 seconds.
• To count from 1 to 12,142,947 would take you about thirty 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 12142947 cubic inches would be around 19.2 feet tall.

Recreational maths with 12142947

• 12142947 backwards is 74924121
• The number of decimal digits it has is: 8
• The sum of 12142947's digits is 30
• More coming soon!