18221621165051376

Names of 18221621165051376

• Cardinal: 18221621165051376 can be written as Eighteen quadrillion, two hundred twenty-one trillion, six hundred twenty-one billion, one hundred sixty-five million, fifty-one thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 1.8221621165051376 × 10¹⁶

Factors of 18221621165051376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6223231272283

Divisors of 18221621165051376

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 48 61 122 183 244 366 488 732 976 1464 2928 6223231272217 12446462544434 18669693816651 24892925088868 37339387633302 49785850177736 74678775266604 99571700355472 149357550533208 298715101066416 379617107605237 759234215210474 1138851322815711 1518468430420948 2277702645631422 3036936860841896 4555405291262844 6073873721683792 9110810582525688 18221621165051376
• Sum of all divisors σ(n): 47844202020811984
• Sum of proper divisors (its aliquot sum) s(n): 29622580855760608
• 18221621165051376 is an abundant number, because the sum of its proper divisors (29622580855760608) is greater than itself. Its abundance is 11400959690709232

Bases of 18221621165051376

• Binary: 1000000101111000111011111001000110001100100110111110000₂
• Hexadecimal: 0x40BC77C8C64DF0
• Base-36: 4ZF0X79CS1C

Squares and roots of 18221621165051376

• 18221621165051376 squared (18221621165051376²) is 332027477882648265242948719493376
• 18221621165051376 cubed (18221621165051376³) is 6050078918365091259905147191405269932315731685376
• The square root of 18221621165051376 is 134987485.2164132139
• The cube root of 18221621165051376 is 263145.3324326679

Scales and comparisons

• 18,221,621,165,051,376 seconds is equal to 579,391,189 years, 45 weeks, 3 days, 29 minutes, 36 seconds.
• To count from 1 to 18,221,621,165,051,376 would take you about one billion, seven hundred thirty-eight million, one hundred seventy-three thousand, five hundred sixty-nine 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 18221621165051376 cubic inches would be around 21928.8 feet tall.

Recreational maths with 18221621165051376

• 18221621165051376 backwards is 67315056112612281
• The number of decimal digits it has is: 17
• The sum of 18221621165051376's digits is 57
• More coming soon!