142396490

Names of 142396490

• Cardinal: 142396490 can be written as One hundred forty-two million, three hundred ninety-six thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.4239649 × 10⁸

Factors of 142396490

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 14239656

Divisors of 142396490

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 14239649 28479298 71198245 142396490
• Sum of all divisors σ(n): 256313700
• Sum of proper divisors (its aliquot sum) s(n): 113917210
• 142396490 is a deficient number, because the sum of its proper divisors (113917210) is less than itself. Its deficiency is 28479280

Bases of 142396490

• Binary: 1000011111001100110001001010₂
• Hexadecimal: 0x87CCC4A
• Base-36: 2CS1U2

Squares and roots of 142396490

• 142396490 squared (142396490²) is 20276760364320100
• 142396490 cubed (142396490³) is 2887339504450303476449000
• The square root of 142396490 is 11933.0000419007
• The cube root of 142396490 is 522.1954636625

Scales and comparisons

• 142,396,490 seconds is equal to 4 years, 27 weeks, 3 days, 2 hours, 34 minutes, 50 seconds.
• To count from 1 to 142,396,490 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 142396490 cubic inches would be around 43.5 feet tall.

Recreational maths with 142396490

• 142396490 backwards is 094693241
• The number of decimal digits it has is: 9
• The sum of 142396490's digits is 38
• More coming soon!