142721085525

Names of 142721085525

• Cardinal: 142721085525 can be written as One hundred forty-two billion, seven hundred twenty-one million, eighty-five thousand, five hundred twenty-five.

Scientific notation

• Scientific notation: 1.42721085525 × 10¹¹

Factors of 142721085525

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1064

Divisors of 142721085525

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 15 25 75 127 381 635 929 1905 2787 3175 4645 9525 13935 16129 23225 48387 69675 80645 117983 241935 353949 403225 589915 1209675 1769745 2048383 2949575 6145149 8848725 10241915 14983841 30725745 44951523 51209575 74919205 153628725 224757615 374596025 1123788075 1902947807 5708843421 9514739035 28544217105 47573695175 142721085525
• Sum of all divisors σ(n): 238094284800
• Sum of proper divisors (its aliquot sum) s(n): 95373199275
• 142721085525 is a deficient number, because the sum of its proper divisors (95373199275) is less than itself. Its deficiency is 47347886250

Bases of 142721085525

• Binary: 10000100111010110101101111000001010101₂
• Hexadecimal: 0x213AD6F055
• Base-36: 1TKCG6DX

Squares and roots of 142721085525

• 142721085525 squared (142721085525²) is 20369308253434364525625
• 142721085525 cubed (142721085525³) is 2907129785323494314435751679078125
• The square root of 142721085525 is 377784.4432014109
• The cube root of 142721085525 is 5225.9194740301

Scales and comparisons

• 142,721,085,525 seconds is equal to 4,538 years, 4 weeks, 4 days, 9 hours, 58 minutes, 45 seconds.
• To count from 1 to 142,721,085,525 would take you about nine thousand and seventy-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 142721085525 cubic inches would be around 435.5 feet tall.

Recreational maths with 142721085525

• 142721085525 backwards is 525580127241
• The number of decimal digits it has is: 12
• The sum of 142721085525's digits is 42
• More coming soon!