142664786

Names of 142664786

• Cardinal: 142664786 can be written as One hundred forty-two million, six hundred sixty-four thousand, seven hundred eighty-six.

Scientific notation

• Scientific notation: 1.42664786 × 10⁸

Factors of 142664786

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6484776

Divisors of 142664786

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 11 22 6484763 12969526 71332393 142664786
• Sum of all divisors σ(n): 233451504
• Sum of proper divisors (its aliquot sum) s(n): 90786718
• 142664786 is a deficient number, because the sum of its proper divisors (90786718) is less than itself. Its deficiency is 51878068

Bases of 142664786

• Binary: 1000100000001110010001010010₂
• Hexadecimal: 0x880E452
• Base-36: 2CXSUQ

Squares and roots of 142664786

• 142664786 squared (142664786²) is 20353241164425796
• 142664786 cubed (142664786³) is 2903690795129196999219656
• The square root of 142664786 is 11944.2365180869
• The cube root of 142664786 is 522.5232223373

Scales and comparisons

• 142,664,786 seconds is equal to 4 years, 27 weeks, 6 days, 5 hours, 6 minutes, 26 seconds.
• To count from 1 to 142,664,786 would take you about six years!

  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 142664786 cubic inches would be around 43.5 feet tall.

Recreational maths with 142664786

• 142664786 backwards is 687466241
• The number of decimal digits it has is: 9
• The sum of 142664786's digits is 44
• More coming soon!