142628321

Names of 142628321

• Cardinal: 142628321 can be written as One hundred forty-two million, six hundred twenty-eight thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.42628321 × 10⁸

Factors of 142628321

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 46111

Divisors of 142628321

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 283 3113 45817 503987 12966211 142628321
• Sum of all divisors σ(n): 156147744
• Sum of proper divisors (its aliquot sum) s(n): 13519423
• 142628321 is a deficient number, because the sum of its proper divisors (13519423) is less than itself. Its deficiency is 129108898

Bases of 142628321

• Binary: 1000100000000101010111100001₂
• Hexadecimal: 0x88055E1
• Base-36: 2CX0PT

Squares and roots of 142628321

• 142628321 squared (142628321²) is 20342837951279041
• 142628321 cubed (142628321³) is 2901464821366009420320161
• The square root of 142628321 is 11942.7099521005
• The cube root of 142628321 is 522.4786997109

Scales and comparisons

• 142,628,321 seconds is equal to 4 years, 27 weeks, 5 days, 18 hours, 58 minutes, 41 seconds.
• To count from 1 to 142,628,321 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 142628321 cubic inches would be around 43.5 feet tall.

Recreational maths with 142628321

• 142628321 backwards is 123826241
• The number of decimal digits it has is: 9
• The sum of 142628321's digits is 29
• More coming soon!