12821862228721

Names of 12821862228721

• Cardinal: 12821862228721 can be written as Twelve trillion, eight hundred twenty-one billion, eight hundred sixty-two million, two hundred twenty-eight thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.2821862228721 × 10¹³

Factors of 12821862228721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 112055

Divisors of 12821862228721

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 13 31 49 91 217 403 637 1519 2821 6133 19747 42931 79729 105871 190123 300517 558103 741097 1330861 1376323 2471599 3282001 3906721 5187679 9316027 9634261 17301193 22974007 42666013 67439827 121108351 160818049 298662091 649306843 2090634637 4545147901 8440988959 20128512133 31816035307 59086922713 140899584931 261670657729 413608458991 986297094517 1831694604103 12821862228721
• Sum of all divisors σ(n): 16583559702528
• Sum of proper divisors (its aliquot sum) s(n): 3761697473807
• 12821862228721 is a deficient number, because the sum of its proper divisors (3761697473807) is less than itself. Its deficiency is 9060164754914

Bases of 12821862228721

• Binary: 10111010100101010010100010110010001011110001₂
• Hexadecimal: 0xBA9528B22F1
• Base-36: 4JMA5PXIP

Squares and roots of 12821862228721

• 12821862228721 squared (12821862228721²) is 164400151012302249317295841
• 12821862228721 cubed (12821862228721³) is 2107916086660666682720744252577164049361
• The square root of 12821862228721 is 3580762.7998404195
• The cube root of 12821862228721 is 23405.4521524559

Scales and comparisons

• 12,821,862,228,721 seconds is equal to 407,695 years, 29 weeks, 4 hours, 52 minutes, 1 second.
• To count from 1 to 12,821,862,228,721 would take you about one million, nineteen thousand, two hundred thirty-eight 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 12821862228721 cubic inches would be around 1950.5 feet tall.

Recreational maths with 12821862228721

• 12821862228721 backwards is 12782226812821
• The number of decimal digits it has is: 14
• The sum of 12821862228721's digits is 52
• More coming soon!