142157

Names of 142157

• Cardinal: 142157 can be written as One hundred forty-two thousand, one hundred fifty-seven.

Scientific notation

• Scientific notation: 1.42157 × 10⁵

Factors of 142157

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 142157

Divisors of 142157

• Number of divisors d(n): 2
• Complete list of divisors:
  1 142157
• Sum of all divisors σ(n): 142158
• Sum of proper divisors (its aliquot sum) s(n): 1
• 142157 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 142156

Bases of 142157

• Binary: 100010101101001101₂
• Hexadecimal: 0x22B4D
• Base-36: 31OT

Squares and roots of 142157

• 142157 squared (142157²) is 20208612649
• 142157 cubed (142157³) is 2872795748343893
• The square root of 142157 is 377.0371334497
• The cube root of 142157 is 52.1902547341

Scales and comparisons

• 142,157 seconds is equal to 1 day, 15 hours, 29 minutes, 17 seconds.
• To count from 1 to 142,157 would take you about fifteen hours.

  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 142157 cubic inches would be around 4.3 feet tall.

Recreational maths with 142157

• 142157 backwards is 751241
• 142157 is a twin prime! Its twin is 142159
• The number of decimal digits it has is: 6
• The sum of 142157's digits is 20
• More coming soon!