142649

Names of 142649

• Cardinal: 142649 can be written as One hundred forty-two thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 1.42649 × 10⁵

Factors of 142649

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10986

Divisors of 142649

• Number of divisors d(n): 4
• Complete list of divisors:
  1 13 10973 142649
• Sum of all divisors σ(n): 153636
• Sum of proper divisors (its aliquot sum) s(n): 10987
• 142649 is a deficient number, because the sum of its proper divisors (10987) is less than itself. Its deficiency is 131662

Bases of 142649

• Binary: 100010110100111001₂
• Hexadecimal: 0x22D39
• Base-36: 322H

Squares and roots of 142649

• 142649 squared (142649²) is 20348737201
• 142649 cubed (142649³) is 2902727012985449
• The square root of 142649 is 377.6890255223
• The cube root of 142649 is 52.2503949055

Scales and comparisons

• 142,649 seconds is equal to 1 day, 15 hours, 37 minutes, 29 seconds.
• To count from 1 to 142,649 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 142649 cubic inches would be around 4.4 feet tall.

Recreational maths with 142649

• 142649 backwards is 946241
• The number of decimal digits it has is: 6
• The sum of 142649's digits is 26
• More coming soon!