21478682491833

Names of 21478682491833

• Cardinal: 21478682491833 can be written as Twenty-one trillion, four hundred seventy-eight billion, six hundred eighty-two million, four hundred ninety-one thousand, eight hundred thirty-three.

Scientific notation

• Scientific notation: 2.1478682491833 × 10¹³

Factors of 21478682491833

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 578311

Divisors of 21478682491833

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 21 31 49 93 147 217 651 1519 4557 8269 24807 57883 173649 256339 405181 570001 769017 1215543 1710003 1794373 3990007 5383119 11970021 12560611 17670031 27930049 37681833 53010093 83790147 123690217 371070651 865831519 2597494557 4713338269 14140014807 32993367883 98980103649 146113486339 230953575181 438340459017 692860725543 1022794404373 3068383213119 7159560830611 21478682491833
• Sum of all divisors σ(n): 34392735075840
• Sum of proper divisors (its aliquot sum) s(n): 12914052584007
• 21478682491833 is a deficient number, because the sum of its proper divisors (12914052584007) is less than itself. Its deficiency is 8564629907826

Bases of 21478682491833

• Binary: 100111000100011100101001111010111101110111001₂
• Hexadecimal: 0x1388E53D7BB9
• Base-36: 7M364ZQ9L

Squares and roots of 21478682491833

• 21478682491833 squared (21478682491833²) is 461333801584973450111699889
• 21478682491833 cubed (21478682491833³) is 9908842246993928348334313284053989506537
• The square root of 21478682491833 is 4634509.9516381449
• The cube root of 21478682491833 is 27797.2956376915

Scales and comparisons

• 21,478,682,491,833 seconds is equal to 682,955 years, 34 weeks, 4 days, 4 hours, 10 minutes, 33 seconds.
• To count from 1 to 21,478,682,491,833 would take you about one million, seven hundred seven thousand, three hundred eighty-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 21478682491833 cubic inches would be around 2316.4 feet tall.

Recreational maths with 21478682491833

• 21478682491833 backwards is 33819428687412
• The number of decimal digits it has is: 14
• The sum of 21478682491833's digits is 66
• More coming soon!