12942375339522721

Names of 12942375339522721

• Cardinal: 12942375339522721 can be written as Twelve quadrillion, nine hundred forty-two trillion, three hundred seventy-five billion, three hundred thirty-nine million, five hundred twenty-two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.2942375339522721 × 10¹⁶

Factors of 12942375339522721

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 393666

Divisors of 12942375339522721

• Number of divisors d(n): 15
• Complete list of divisors:
  1 17 289 4913 83521 393649 6692033 113764561 1933997537 32877958129 154959535201 2634312098417 44783305673089 761316196442513 12942375339522721
• Sum of all divisors σ(n): 13751299046166591
• Sum of proper divisors (its aliquot sum) s(n): 808923706643870
• 12942375339522721 is a deficient number, because the sum of its proper divisors (808923706643870) is less than itself. Its deficiency is 12133451632878851

Bases of 12942375339522721

• Binary: 101101111110110000010110010100101010010111101010100001₂
• Hexadecimal: 0x2DFB0594A97AA1
• Base-36: 3JFOT5EX8DD

Squares and roots of 12942375339522721

• 12942375339522721 squared (12942375339522721²) is 167505079429085867680428075243841
• 12942375339522721 cubed (12942375339522721³) is 2167913609247795555804840647838905213956634811361
• 12942375339522721 is a perfect square number. Its square root is 113764561
• The cube root of 12942375339522721 is 234785.5314421013

Scales and comparisons

• 12,942,375,339,522,721 seconds is equal to 411,527,502 years, 20 weeks, 6 days, 2 hours, 32 minutes, 1 second.
• To count from 1 to 12,942,375,339,522,721 would take you about one billion, two hundred thirty-four million, five hundred eighty-two thousand, five hundred seven 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 12942375339522721 cubic inches would be around 19565.5 feet tall.

Recreational maths with 12942375339522721

• 12942375339522721 backwards is 12722593357324921
• The number of decimal digits it has is: 17
• The sum of 12942375339522721's digits is 67
• More coming soon!