142921727

Names of 142921727

• Cardinal: 142921727 can be written as One hundred forty-two million, nine hundred twenty-one thousand, seven hundred twenty-seven.

Scientific notation

• Scientific notation: 1.42921727 × 10⁸

Factors of 142921727

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 56017

Divisors of 142921727

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 197 2561 55807 725491 10993979 142921727
• Sum of all divisors σ(n): 154699776
• Sum of proper divisors (its aliquot sum) s(n): 11778049
• 142921727 is a deficient number, because the sum of its proper divisors (11778049) is less than itself. Its deficiency is 131143678

Bases of 142921727

• Binary: 1000100001001100111111111111₂
• Hexadecimal: 0x884CFFF
• Base-36: 2D3B3Z

Squares and roots of 142921727

• 142921727 squared (142921727²) is 20426620048662529
• 142921727 cubed (142921727³) is 2919407814127672684867583
• The square root of 142921727 is 11954.9875365891
• The cube root of 142921727 is 522.8367244137

Scales and comparisons

• 142,921,727 seconds is equal to 4 years, 28 weeks, 2 days, 4 hours, 28 minutes, 47 seconds.
• To count from 1 to 142,921,727 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 142921727 cubic inches would be around 43.6 feet tall.

Recreational maths with 142921727

• 142921727 backwards is 727129241
• The number of decimal digits it has is: 9
• The sum of 142921727's digits is 35
• More coming soon!