142721171

Names of 142721171

• Cardinal: 142721171 can be written as One hundred forty-two million, seven hundred twenty-one thousand, one hundred seventy-one.

Scientific notation

• Scientific notation: 1.42721171 × 10⁸

Factors of 142721171

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 195301

Divisors of 142721171

• Number of divisors d(n): 8
• Complete list of divisors:
  1 17 43 731 195241 3319097 8395363 142721171
• Sum of all divisors σ(n): 154631664
• Sum of proper divisors (its aliquot sum) s(n): 11910493
• 142721171 is a deficient number, because the sum of its proper divisors (11910493) is less than itself. Its deficiency is 130810678

Bases of 142721171

• Binary: 1000100000011100000010010011₂
• Hexadecimal: 0x881C093
• Base-36: 2CZ0CZ

Squares and roots of 142721171

• 142721171 squared (142721171²) is 20369332651611241
• 142721171 cubed (142721171³) is 2907135008526491352283211
• The square root of 142721171 is 11946.5966283289
• The cube root of 142721171 is 522.5920517289

Scales and comparisons

• 142,721,171 seconds is equal to 4 years, 27 weeks, 6 days, 20 hours, 46 minutes, 11 seconds.
• To count from 1 to 142,721,171 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 142721171 cubic inches would be around 43.5 feet tall.

Recreational maths with 142721171

• 142721171 backwards is 171127241
• The number of decimal digits it has is: 9
• The sum of 142721171's digits is 26
• More coming soon!