21279743403361368

Names of 21279743403361368

• Cardinal: 21279743403361368 can be written as Twenty-one quadrillion, two hundred seventy-nine trillion, seven hundred forty-three billion, four hundred three million, three hundred sixty-one thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1279743403361368 × 10¹⁶

Factors of 21279743403361368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2922052

Divisors of 21279743403361368

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 997 1994 2991 3988 5982 7976 11964 23928 345263 690526 1035789 1381052 2071578 2575787 2762104 4143156 5151574 7727361 8286312 10303148 15454722 20606296 30909444 61818888 344227211 688454422 1032681633 1376908844 2065363266 2568059639 2753817688 4130726532 5136119278 7704178917 8261453064 10272238556 15408357834 20544477112 30816715668 61633431336 889323946981 1778647893962 2667971840943 3557295787924 5335943681886 7114591575848 10671887363772 21343774727544 886655975140057 1773311950280114 2659967925420171 3546623900560228 5319935850840342 7093247801120456 10639871701680684 21279743403361368
• Sum of all divisors σ(n): 53252892857756160
• Sum of proper divisors (its aliquot sum) s(n): 31973149454394792
• 21279743403361368 is an abundant number, because the sum of its proper divisors (31973149454394792) is greater than itself. Its abundance is 10693406051033424

Bases of 21279743403361368

• Binary: 1001011100110011101000001011010011110000000010001011000₂
• Hexadecimal: 0x4B99D05A780458
• Base-36: 5TJ1F5VO28O

Squares and roots of 21279743403361368

• 21279743403361368 squared (21279743403361368²) is 452827479312901657037241194831424
• 21279743403361368 cubed (21279743403361368³) is 9636052565769475369670346487034066337189714028032
• The square root of 21279743403361368 is 145875780.7292264949
• The cube root of 21279743403361368 is 277112.0826219727

Scales and comparisons

• 21,279,743,403,361,368 seconds is equal to 676,630,017 years, 34 weeks, 1 day, 19 hours, 2 minutes, 48 seconds.
• To count from 1 to 21,279,743,403,361,368 would take you about two billion, twenty-nine million, eight hundred ninety thousand and fifty-two 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 21279743403361368 cubic inches would be around 23092.7 feet tall.

Recreational maths with 21279743403361368

• 21279743403361368 backwards is 86316330434797212
• The number of decimal digits it has is: 17
• The sum of 21279743403361368's digits is 69
• More coming soon!