28835541721916721

Names of 28835541721916721

• Cardinal: 28835541721916721 can be written as Twenty-eight quadrillion, eight hundred thirty-five trillion, five hundred forty-one billion, seven hundred twenty-one million, nine hundred sixteen thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 2.8835541721916721 × 10¹⁶

Factors of 28835541721916721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 80

Divisors of 28835541721916721

• Number of divisors d(n): 315
• Complete list of divisors:
  1 3 9 11 23 33 43 69 99 121 129 207 253 363 387 473 529 759 989 1089 1331 1419 1587 1849 2277 2783 2967 3993 4257 4761 5203 5547 5819 8349 8901 10879 11979 14641 15609 16641 17457 20339 22747 25047 30613 32637 42527 43923 46827 52371 57233 61017 64009 68241 79507 91839 97911 119669 127581 131769 161051 171699 183051 192027 204723 223729 238521 250217 275517 336743 359007 382743 467797 483153 515097 576081 629563 671187 704099 715563 750651 874577 978121 1010229 1077021 1316359 1403391 1449459 1771561 1828661 1888689 2013561 2112297 2251953 2461019 2623731 2752387 2934363 3030687 3418801 3704173 3949077 4210173 5145767 5314683 5485983 5666067 6336891 6925193 7383057 7745089 7871193 8257161 8803089 9620347 10256403 10759331 11112519 11847231 14479949 15437301 15944049 16457949 20115271 20775579 22149171 23235267 24771483 27071209 28861041 30276257 30769209 32277993 33337557 37606811 40745903 42059203 43439847 46311903 56603437 60345813 62326737 69705801 76177123 78632423 81213627 85195979 86583123 90828771 96833979 105823817 112820433 118352641 122237709 126177609 130319541 159279439 169810311 181037439 221267981 228531369 235897269 243640881 255587937 272486313 297783299 317471451 333038827 338461299 355057923 366713127 378532827 413674921 462651233 477838317 509430933 622637807 663803943 685594107 707691807 766763811 864956653 893349897 937155769 952414353 999116481 1065173769 1164061987 1241024763 1301879051 1387953699 1433514951 1752073829 1808545729 1867913421 1991411829 2433947791 2594869959 2680049691 2811467307 2997349443 3275616289 3492185961 3663427097 3723074289 3905637153 4163861097 4550424131 5089163563 5256221487 5425637187 5603740263 6849015877 7301843373 7784609877 8434401921 9514523183 9826848867 10476557883 10990281291 11716911459 12804681857 13651272393 14320669561 15267490689 15768664461 16276911561 19894003019 20547047631 21905530119 26773425701 28543569549 29480546601 32970843873 38414045571 40297698067 40953817179 42962008683 45802472067 50054665441 55980799193 59682009057 61641142893 75339174647 80320277103 85630708647 104659755013 115242136713 120893094201 128886026049 140851500427 150163996323 157527365171 167942397579 179046027171 218834033209 226017523941 240960831309 294507682711 313979265039 362679282603 422554501281 450491988969 472582095513 503827192737 550601319851 615788791123 656502099627 678052571823 883523048133 941937795117 1151257305143 1267663503843 1417746286539 1651803959553 1732801016881 1847366373369 1969506298881 2407174365299 2650569144399 3239584509821 3453771915429 4955411878659 5198403050643 5542099120107 6056614518361 6773676702353 7221523095897 9718753529463 10361315746287 12663830356573 15595209151929 18169843555083 20321030107059 21664569287691 26478918018289 29156260588389 37991491069719 54509530665249 60963090321177 74510443725883 79436754054867 113974473209157 139302133922303 223531331177649 238310262164601 291268098201179 417906401766909 670593993532947 873804294603537 1253719205300727 2621412883810611 3203949080212969 9611847240638907 28835541721916721
• Sum of all divisors σ(n): 49035458670129113
• Sum of proper divisors (its aliquot sum) s(n): 20199916948212392
• 28835541721916721 is a deficient number, because the sum of its proper divisors (20199916948212392) is less than itself. Its deficiency is 8635624773704329

Bases of 28835541721916721

• Binary: 1100110011100011100010110111101001111011010010100110001₂
• Hexadecimal: 0x6671C5BD3DA531
• Base-36: 7VXCGZPLRU9

Squares and roots of 28835541721916721

• 28835541721916721 squared (28835541721916721²) is 831488466396399935125874059391841
• 28835541721916721 cubed (28835541721916721³) is 23976420364065939791927208971113589436098108873361
• 28835541721916721 is a perfect square number. Its square root is 169810311
• The cube root of 28835541721916721 is 306649.8135156227

Scales and comparisons

• 28,835,541,721,916,721 seconds is equal to 916,881,032 years, 29 weeks, 4 days, 12 hours, 25 minutes, 21 seconds.
• To count from 1 to 28,835,541,721,916,721 would take you about two billion, seven hundred fifty million, six hundred forty-three thousand and ninety-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 28835541721916721 cubic inches would be around 25554.2 feet tall.

Recreational maths with 28835541721916721

• 28835541721916721 backwards is 12761912714553882
• The number of decimal digits it has is: 17
• The sum of 28835541721916721's digits is 72
• More coming soon!