20721361833064242

Names of 20721361833064242

• Cardinal: 20721361833064242 can be written as Twenty quadrillion, seven hundred twenty-one trillion, three hundred sixty-one billion, eight hundred thirty-three million, sixty-four thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 2.0721361833064242 × 10¹⁶

Factors of 20721361833064242

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 293

Divisors of 20721361833064242

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 147 162 189 281 294 343 378 441 562 567 686 843 882 1029 1134 1323 1686 1967 2058 2401 2529 2646 3087 3934 3969 4802 5058 5901 6174 7203 7587 7938 9261 11802 13769 14406 15174 16807 17703 18522 21609 22761 27538 27783 33614 35406 41307 43218 45522 50421 53109 55566 64827 78961 82614 96383 100842 106218 117649 123921 129654 151263 157922 159327 192766 194481 235298 236883 247842 289149 302526 318654 352947 371763 388962 453789 473766 552727 578298 674681 705894 710649 743526 823543 867447 907578 1058841 1105454 1115289 1349362 1361367 1421298 1647086 1658181 1734894 2024043 2117682 2131947 2230578 2470629 2602341 2722734 3176523 3316362 3869089 4048086 4263894 4722767 4941258 4974543 5204682 5764801 6072129 6353046 6395841 7411887 7738178 7807023 9445534 9529569 9949086 11529602 11607267 12144258 12791682 14168301 14823774 14923629 15614046 17294403 18216387 19059138 22188041 22235661 23214534 27083623 28336602 29847258 33059369 34588806 34821801 36432774 42504903 44376082 44471322 44770887 51883209 54167246 54649161 66118738 66564123 66706983 69643602 81250869 85009806 89541774 99178107 103766418 104465403 109298322 127514709 133128246 133413966 155316287 155649627 162501738 189585361 198356214 199692369 208930806 231415583 243752607 255029418 297534321 310632574 311299254 313396209 379170722 382544127 399384738 462831166 465948861 466948881 487505214 568756083 595068642 599077107 626792418 694246749 731257821 765088254 892602963 931897722 933897762 1087214009 1137512166 1198154214 1327097527 1388493498 1397846583 1462515642 1619909081 1706268249 1785205926 1797231321 2082740247 2174428018 2193773463 2654195054 2677808889 2795693166 3239818162 3261642027 3412536498 3594462642 3981292581 4165480494 4193539749 4387546926 4859727243 5118804747 5355617778 6248220741 6523284054 7610498063 7962585162 8387079498 9289682689 9719454486 9784926081 10237609494 11943877743 12496441482 12580619247 14579181729 15220996126 15356414241 18579365378 18744662223 19569852162 22831494189 23887755486 25161238494 27869048067 29158363458 29354778243 30712828482 35831633229 37489324446 43737545187 45662988378 53273486441 55738096134 58709556486 65027778823 68494482567 71663266458 83607144201 87475090374 88064334729 106546972882 107494899687 130055557646 131212635561 136988965134 159820459323 167214288402 176128669458 195083336469 205483447701 214989799374 250821432603 262425271122 319640918646 372914405087 390166672938 410966895402 455194451761 479461377969 501642865206 585250009407 616450343103 745828810174 752464297809 910388903522 958922755938 1118743215261 1170500018814 1232900686206 1365583355283 1438384133907 1504928595618 1755750028221 2237486430522 2610400835609 2731166710566 2876768267814 3356229645783 3511500056442 4096750065849 4315152401721 5220801671218 5267250084663 6712459291566 7831202506827 8193500131698 8630304803442 10068688937349 10534500169326 12290250197547 15662405013654 18272805849263 20137377874698 23493607520481 24580500395094 30206066812047 36545611698526 36870750592641 46987215040962 54818417547789 60412133624094 70480822561443 73741501185282 109636835095578 127909640944841 140961645122886 164455252643367 211442467684329 255819281889682 328910505286734 383728922834523 422884935368658 493365757930101 767457845669046 986731515860202 1151186768503569 1480097273790303 2302373537007138 2960194547580606 3453560305510707 6907120611021414 10360680916532121 20721361833064242
• Sum of all divisors σ(n): 54363194916179292
• Sum of proper divisors (its aliquot sum) s(n): 33641833083115050
• 20721361833064242 is an abundant number, because the sum of its proper divisors (33641833083115050) is greater than itself. Its abundance is 12920471250050808

Bases of 20721361833064242

• Binary: 1001001100111011111100000000011010100100111011100110010₂
• Hexadecimal: 0x499DF803527732
• Base-36: 5O13Y7LP54I

Squares and roots of 20721361833064242

• 20721361833064242 squared (20721361833064242²) is 429374836216771483342755299034564
• 20721361833064242 cubed (20721361833064242³) is 8897231343260418627649602744106221503316390460488
• The square root of 20721361833064242 is 143949164.0582335651
• The cube root of 20721361833064242 is 274666.7559338633

Scales and comparisons

• 20,721,361,833,064,242 seconds is equal to 658,875,210 years, 47 weeks, 2 days, 13 hours, 50 minutes, 42 seconds.
• To count from 1 to 20,721,361,833,064,242 would take you about one billion, nine hundred seventy-six million, six hundred twenty-five thousand, six hundred 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 20721361833064242 cubic inches would be around 22888.9 feet tall.

Recreational maths with 20721361833064242

• 20721361833064242 backwards is 24246033816312702
• 20721361833064242 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20721361833064242's digits is 54
• More coming soon!