21423730733004444

Names of 21423730733004444

• Cardinal: 21423730733004444 can be written as Twenty-one quadrillion, four hundred twenty-three trillion, seven hundred thirty billion, seven hundred thirty-three million, four thousand, four hundred forty-four.

Scientific notation

• Scientific notation: 2.1423730733004444 × 10¹⁶

Factors of 21423730733004444

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3353764068

Divisors of 21423730733004444

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 12 13 26 39 52 78 156 40949 81898 122847 163796 245694 491388 532337 1064674 1597011 2129348 3194022 6388044 3353723101 6707446202 10061169303 13414892404 20122338606 40244677212 43598400313 87196800626 130795200939 174393601252 261590401878 523180803756 137331607262849 274663214525698 411994821788547 549326429051396 823989643577094 1647979287154188 1785310894417037 3570621788834074 5355932683251111 7141243577668148 10711865366502222 21423730733004444
• Sum of all divisors σ(n): 53835304722544800
• Sum of proper divisors (its aliquot sum) s(n): 32411573989540356
• 21423730733004444 is an abundant number, because the sum of its proper divisors (32411573989540356) is greater than itself. Its abundance is 10987843256535912

Bases of 21423730733004444

• Binary: 1001100000111001100010100000100000110101011011010011100₂
• Hexadecimal: 0x4C1CC5041AB69C
• Base-36: 5UY2U123FDO

Squares and roots of 21423730733004444

• 21423730733004444 squared (21423730733004444²) is 458976238520279131407754923749136
• 21423730733004444 cubed (21423730733004444³) is 9832983346905682161682848834916412568277829160384
• The square root of 21423730733004444 is 146368475.8853642091
• The cube root of 21423730733004444 is 277735.6955768045

Scales and comparisons

• 21,423,730,733,004,444 seconds is equal to 681,208,369 years, 18 weeks, 4 days, 19 hours, 27 minutes, 24 seconds.
• To count from 1 to 21,423,730,733,004,444 would take you about two billion, forty-three million, six hundred twenty-five thousand, one hundred 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 21423730733004444 cubic inches would be around 23144.6 feet tall.

Recreational maths with 21423730733004444

• 21423730733004444 backwards is 44440033703732412
• The number of decimal digits it has is: 17
• The sum of 21423730733004444's digits is 51
• More coming soon!