21242255261463200

Names of 21242255261463200

• Cardinal: 21242255261463200 can be written as Twenty-one quadrillion, two hundred forty-two trillion, two hundred fifty-five billion, two hundred sixty-one million, four hundred sixty-three thousand, two hundred.

Scientific notation

• Scientific notation: 2.12422552614632 × 10¹⁶

Factors of 21242255261463200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 52088453

Divisors of 21242255261463200

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 514853 1029706 2059412 2574265 4118824 5148530 8237648 10297060 12871325 16475296 20594120 25742650 41188240 51485300 51573593 82376480 102970600 103147186 205941200 206294372 257867965 411882400 412588744 515735930 825177488 1031471860 1289339825 1650354976 2062943720 2578679650 4125887440 5157359300 8251774880 10314718600 20629437200 41258874400 26552819076829 53105638153658 106211276307316 132764095384145 212422552614632 265528190768290 424845105229264 531056381536580 663820476920725 849690210458528 1062112763073160 1327640953841450 2124225526146320 2655281907682900 4248451052292640 5310563815365800 10621127630731600 21242255261463200
• Sum of all divisors σ(n): 51857757385784028
• Sum of proper divisors (its aliquot sum) s(n): 30615502124320828
• 21242255261463200 is an abundant number, because the sum of its proper divisors (30615502124320828) is greater than itself. Its abundance is 9373246862857628

Bases of 21242255261463200

• Binary: 1001011011101111011011111110111000101100111001010100000₂
• Hexadecimal: 0x4B77B7F71672A0
• Base-36: 5T5R1CJWAZK

Squares and roots of 21242255261463200

• 21242255261463200 squared (21242255261463200²) is 451233408593161003395004954240000
• 21242255261463200 cubed (21242255261463200³) is 9585215247836048247847935027098270551443968000000
• The square root of 21242255261463200 is 145747230.7162753607
• The cube root of 21242255261463200 is 276949.2591765623

Scales and comparisons

• 21,242,255,261,463,200 seconds is equal to 675,438,010 years, 36 weeks, 4 days, 13 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,242,255,261,463,200 would take you about two billion, twenty-six million, three hundred fourteen thousand and thirty-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 21242255261463200 cubic inches would be around 23079.1 feet tall.

Recreational maths with 21242255261463200

• 21242255261463200 backwards is 00236416255224212
• The number of decimal digits it has is: 17
• The sum of 21242255261463200's digits is 47
• More coming soon!