21491106740235

Names of 21491106740235

• Cardinal: 21491106740235 can be written as Twenty-one trillion, four hundred ninety-one billion, one hundred six million, seven hundred forty thousand, two hundred thirty-five.

Scientific notation

• Scientific notation: 2.1491106740235 × 10¹³

Factors of 21491106740235

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 460860

Divisors of 21491106740235

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 9 11 15 19 27 29 33 45 55 57 81 87 95 99 135 145 165 171 209 261 285 297 319 361 405 435 495 513 551 627 783 855 891 957 1045 1083 1305 1485 1539 1595 1653 1805 1881 2349 2565 2755 2871 3135 3249 3915 3971 4455 4785 4959 5415 5643 6061 7695 8265 8613 9405 9747 10469 11745 11913 14355 14877 16245 16929 18183 19855 24795 25839 28215 29241 30305 31407 35739 43065 44631 48735 52345 54549 59565 74385 84645 90915 94221 107217 115159 129195 146205 157035 163647 178695 223155 272745 282663 321651 345477 460793 471105 490941 536085 575795 818235 847989 1036431 1382379 1413315 1608255 1727385 2303965 2454705 3109293 4147137 4239945 5068723 5182155 6911895 8755067 9327879 12441411 13362997 15206169 15546465 20735685 25343615 26265201 37324233 40088991 43775335 45618507 46639395 62207055 66814985 76030845 78795603 96305737 120266973 131326005 136855521 146992967 166346273 186621165 200444955 228092535 236386809 253896943 288917211 360800919 393978015 410566563 440978901 481528685 499038819 601334865 684277605 709160427 734964835 761690829 831731365 866751633 1082402757 1181934045 1269484715 1322936703 1444586055 1497116457 1804004595 1829809003 2052832815 2204894505 2285072487 2495194095 2600254899 2792866373 3545802135 3808454145 3968810109 4333758165 4491349371 4824041917 5412013785 5489427009 6614683515 6855217461 7485582285 7800764697 8378599119 9149045015 11425362435 11906430327 13001274495 13474048113 13964331865 14472125751 16468281027 19844050545 20565652383 22456746855 24120209585 25135797357 27447135045 34276087305 39003823485 41892995595 43416377253 49404843081 53064461087 59532151635 67370240565 72360628755 75407392071 82341405135 102828261915 125678986785 130249131759 148214529243 159193383261 217081886265 226222176213 247024215405 265322305435 377036960355 390747395277 477580149783 651245658795 741072646215 795966916305 1131110881065 1432740449349 1953736976385 2387900748915 4298221348047 7163702246745 21491106740235
• Sum of all divisors σ(n): 45885018659040
• Sum of proper divisors (its aliquot sum) s(n): 24393911918805
• 21491106740235 is an abundant number, because the sum of its proper divisors (24393911918805) is greater than itself. Its abundance is 2902805178570

Bases of 21491106740235

• Binary: 100111000101111001001110010000111100000001011₂
• Hexadecimal: 0x138BC9C8780B
• Base-36: 7M8VM2HOR

Squares and roots of 21491106740235

• 21491106740235 squared (21491106740235²) is 461867668920174247767855225
• 21491106740235 cubed (21491106740235³) is 9926047372626984200374424329567162477875
• The square root of 21491106740235 is 4635850.1636954359
• The cube root of 21491106740235 is 27802.6543452795

Scales and comparisons

• 21,491,106,740,235 seconds is equal to 683,350 years, 37 weeks, 2 days, 8 hours, 17 minutes, 15 seconds.
• To count from 1 to 21,491,106,740,235 would take you about one million, seven hundred eight thousand, three hundred seventy-six 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 21491106740235 cubic inches would be around 2316.9 feet tall.

Recreational maths with 21491106740235

• 21491106740235 backwards is 53204760119412
• 21491106740235 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21491106740235's digits is 45
• More coming soon!