21742079516864

Names of 21742079516864

• Cardinal: 21742079516864 can be written as Twenty-one trillion, seven hundred forty-two billion, seventy-nine million, five hundred sixteen thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1742079516864 × 10¹³

Factors of 21742079516864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 614321955

Divisors of 21742079516864

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 79 112 158 224 316 448 553 632 1106 1264 2212 2528 4424 5056 8848 17696 35392 614321867 1228643734 2457287468 4300253069 4914574936 8600506138 9829149872 17201012276 19658299744 34402024552 39316599488 48531427493 68804049104 97062854986 137608098208 194125709972 275216196416 339719992451 388251419944 679439984902 776502839888 1358879969804 1553005679776 2717759939608 3106011359552 5435519879216 10871039758432 21742079516864
• Sum of all divisors σ(n): 49932081431040
• Sum of proper divisors (its aliquot sum) s(n): 28190001914176
• 21742079516864 is an abundant number, because the sum of its proper divisors (28190001914176) is greater than itself. Its abundance is 6447922397312

Bases of 21742079516864

• Binary: 100111100011000111000111011010010000011000000₂
• Hexadecimal: 0x13C638ED20C0
• Base-36: 7PG68S3I8

Squares and roots of 21742079516864

• 21742079516864 squared (21742079516864²) is 472718021717637107660394496
• 21742079516864 cubed (21742079516864³) is 10277872817239509265148588316979324780544
• The square root of 21742079516864 is 4662840.2842971149
• The cube root of 21742079516864 is 27910.4620762547

Scales and comparisons

• 21,742,079,516,864 seconds is equal to 691,330 years, 45 weeks, 3 days, 20 hours, 27 minutes, 44 seconds.
• To count from 1 to 21,742,079,516,864 would take you about one million, seven hundred twenty-eight thousand, three hundred twenty-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 21742079516864 cubic inches would be around 2325.9 feet tall.

Recreational maths with 21742079516864

• 21742079516864 backwards is 46861597024712
• The number of decimal digits it has is: 14
• The sum of 21742079516864's digits is 62
• More coming soon!