142445

Names of 142445

• Cardinal: 142445 can be written as One hundred forty-two thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 1.42445 × 10⁵

Factors of 142445

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 955

Divisors of 142445

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 31 155 919 4595 28489 142445
• Sum of all divisors σ(n): 176640
• Sum of proper divisors (its aliquot sum) s(n): 34195
• 142445 is a deficient number, because the sum of its proper divisors (34195) is less than itself. Its deficiency is 108250

Bases of 142445

• Binary: 100010110001101101₂
• Hexadecimal: 0x22C6D
• Base-36: 31WT

Squares and roots of 142445

• 142445 squared (142445²) is 20290578025
• 142445 cubed (142445³) is 2890291386771125
• The square root of 142445 is 377.4188654533
• The cube root of 142445 is 52.2254755447

Scales and comparisons

• 142,445 seconds is equal to 1 day, 15 hours, 34 minutes, 5 seconds.
• To count from 1 to 142,445 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 142445 cubic inches would be around 4.4 feet tall.

Recreational maths with 142445

• 142445 backwards is 544241
• The number of decimal digits it has is: 6
• The sum of 142445's digits is 20
• More coming soon!