21347679045

Names of 21347679045

• Cardinal: 21347679045 can be written as Twenty-one billion, three hundred forty-seven million, six hundred seventy-nine thousand and forty-five.

Scientific notation

• Scientific notation: 2.1347679045 × 10¹⁰

Factors of 21347679045

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 51244

Divisors of 21347679045

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 11 15 19 21 33 35 55 57 77 95 105 133 165 209 231 285 361 385 399 627 665 1045 1083 1155 1463 1805 1995 2527 3135 3971 4389 5415 7315 7581 11913 12635 19855 21945 27797 37905 51199 59565 83391 138985 153597 255995 358393 416955 563189 767985 972781 1075179 1689567 1791965 2815945 2918343 3942323 4863905 5375895 6809467 8447835 10700591 11826969 14591715 18482839 19711615 20428401 32101773 34047335 53502955 55448517 59134845 74904137 92414195 102142005 129379873 160508865 203311229 224712411 277242585 374520685 388139619 609933687 646899365 1016556145 1123562055 1423178603 1940698095 3049668435 4269535809 7115893015 21347679045
• Sum of all divisors σ(n): 44944588800
• Sum of proper divisors (its aliquot sum) s(n): 23596909755
• 21347679045 is an abundant number, because the sum of its proper divisors (23596909755) is greater than itself. Its abundance is 2249230710

Bases of 21347679045

• Binary: 10011111000011010111011101101000101₂
• Hexadecimal: 0x4F86BBB45
• Base-36: 9T1UUKL

Squares and roots of 21347679045

• 21347679045 squared (21347679045²) is 455723400608332112025
• 21347679045 cubed (21347679045³) is 9728636889482631680276685016125
• The square root of 21347679045 is 146108.4496016571
• The cube root of 21347679045 is 2774.0666306631

Scales and comparisons

• 21,347,679,045 seconds is equal to 678 years, 41 weeks, 14 hours, 50 minutes, 45 seconds.
• To count from 1 to 21,347,679,045 would take you about one thousand, three hundred fifty-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 21347679045 cubic inches would be around 231.2 feet tall.

Recreational maths with 21347679045

• 21347679045 backwards is 54097674312
• The number of decimal digits it has is: 11
• The sum of 21347679045's digits is 48
• More coming soon!