21739842793872

Names of 21739842793872

• Cardinal: 21739842793872 can be written as Twenty-one trillion, seven hundred thirty-nine billion, eight hundred forty-two million, seven hundred ninety-three thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.1739842793872 × 10¹³

Factors of 21739842793872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 300764

Divisors of 21739842793872

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 252 324 336 378 432 504 567 648 756 1008 1134 1296 1512 2268 3024 4536 8191 9072 16382 24573 32764 49146 57337 65528 73719 98292 114674 131056 147438 172011 196584 221157 229348 292561 294876 344022 393168 442314 458696 516033 585122 589752 663471 688044 877683 884628 917392 1032066 1170244 1179504 1326942 1376088 1548099 1755366 1769256 2047927 2064132 2340488 2633049 2653884 2752176 3096198 3510732 3538512 4095854 4128264 4644297 4680976 5266098 5307768 6143781 6192396 7021464 7899147 8191708 8256528 9288594 10532196 10615536 12287562 12384792 14042928 15798294 16383416 18431343 18577188 21064392 23697441 24575124 24769584 31596588 32766832 36862686 37154376 42128784 47394882 49150248 55294029 63193176 73725372 74308752 94789764 98300496 110588058 126386352 147450744 165882087 189579528 221176116 294901488 331764174 379159056 442352232 663528348 884704464 1327056696 2396367151 2654113392 4792734302 7189101453 9585468604 14378202906 16774570057 19170937208 21567304359 28756405812 33549140114 38341874416 43134608718 50323710171 57512811624 64701913077 67098280228 86269217436 100647420342 115025623248 129403826154 134196560456 150971130513 172538434872 194105739231 201294840684 258807652308 268393120912 301942261026 345076869744 388211478462 402589681368 452913391539 517615304616 603884522052 776422956924 805179362736 905826783078 1035230609232 1207769044104 1358740174617 1552845913848 1811653566156 2415538088208 2717480349234 3105691827696 3623307132312 5434960698468 7246614264624 10869921396936 21739842793872
• Sum of all divisors σ(n): 71919210463232
• Sum of proper divisors (its aliquot sum) s(n): 50179367669360
• 21739842793872 is an abundant number, because the sum of its proper divisors (50179367669360) is greater than itself. Its abundance is 28439524875488

Bases of 21739842793872

• Binary: 100111100010110110011100110110111000110010000₂
• Hexadecimal: 0x13C5B39B7190
• Base-36: 7PF593D00

Squares and roots of 21739842793872

• 21739842793872 squared (21739842793872²) is 472620764702268326680752384
• 21739842793872 cubed (21739842793872³) is 10274701125746882179363102307985584590848
• The square root of 21739842793872 is 4662600.4325775117
• The cube root of 21739842793872 is 27909.5049443625

Scales and comparisons

• 21,739,842,793,872 seconds is equal to 691,259 years, 39 weeks, 1 day, 20 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,739,842,793,872 would take you about one million, seven hundred twenty-eight thousand, one hundred forty-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 21739842793872 cubic inches would be around 2325.8 feet tall.

Recreational maths with 21739842793872

• 21739842793872 backwards is 27839724893712
• 21739842793872 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21739842793872's digits is 72
• More coming soon!