21541564527021

Names of 21541564527021

• Cardinal: 21541564527021 can be written as Twenty-one trillion, five hundred forty-one billion, five hundred sixty-four million, five hundred twenty-seven thousand and twenty-one.

Scientific notation

• Scientific notation: 2.1541564527021 × 10¹³

Factors of 21541564527021

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3817

Divisors of 21541564527021

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 11 21 27 31 33 63 67 77 93 99 121 127 189 201 217 231 279 297 341 363 381 469 603 651 693 737 837 847 889 1023 1089 1143 1397 1407 1809 1953 2077 2079 2211 2387 2541 2667 3069 3267 3429 3571 3751 3937 4191 4221 5159 5859 6231 6633 7161 7623 8001 8107 8509 9207 9779 10713 11253 11811 12573 12663 14539 15367 15477 18693 19899 21483 22847 22869 24003 24321 24997 25527 26257 27559 29337 32139 33759 35433 37719 39281 43307 43617 46101 46431 56079 56749 59563 64449 68541 72963 74991 76581 78771 82677 88011 93599 96417 101277 106299 107569 110701 117843 129921 130851 138303 139293 159929 170247 178689 205623 218889 224973 229743 236313 239257 248031 251317 263779 264033 274967 280797 303149 322707 332103 353529 389763 392553 414909 432091 453517 476377 479787 510741 536067 616869 655193 674919 708939 717771 744093 753951 774907 791337 824901 842391 909447 968121 996309 1029589 1060587 1169289 1217711 1296273 1360551 1429131 1439361 1532223 1608201 1674799 1759219 1846453 1965579 2153313 2261853 2324721 2374011 2474703 2527173 2631827 2728341 2901569 2904363 2988927 3024637 3088767 3174619 3334639 3653133 3888819 4081653 4287393 4318083 4988687 5024397 5277657 5539359 5896737 6459939 6785559 6974163 7122033 7207123 7416967 7424109 7895481 8185023 8523977 8704707 9073911 9266301 9523857 10003917 10959399 11666457 12244959 12862179 13394821 14059027 14966061 15073191 15832971 16618077 17690211 18422789 20310983 20922489 21621369 22250901 23686443 25571931 26114121 27221733 27798903 28571571 28950097 30011751 30385639 31917259 32878197 34920809 40184463 42177081 44898183 45219573 47498913 49854231 51918769 54875557 55268367 60932949 64864107 66752703 71059329 76715793 78342363 81586637 81665199 85714713 86850291 90035253 91156917 93763747 95751777 98413189 104762427 120553389 126531243 134694549 154649297 155756307 164626671 165805101 182798847 194592321 200258109 202650679 212699473 223420813 230147379 244759911 260550873 273470751 281291241 287255331 295239567 314287281 334242029 361660167 379593729 384128899 463947891 467268921 493880013 497415303 548396541 571106459 607952037 638098419 670262439 734279733 781652619 820412253 843873723 861765993 885718701 897453007 941954809 942861843 1002726087 1082545079 1152386697 1391843673 1401806763 1481640039 1701142267 1713319377 1823856111 1914295257 2010787317 2202839199 2339694203 2531621169 2657156103 2692359021 2825864427 3008178261 3247635237 3457160091 3676662319 4175531019 5103426801 5139958131 5471568333 5742885771 6032361951 6282171049 6593683663 7019082609 8077077063 8477593281 9024534783 9742905711 10361502899 10371480273 11029986957 11907995869 15310280403 15419874393 18846513147 19781050989 21057247827 24231231189 25432779843 25736636233 29228717133 31084508697 33089960871 35723987607 45930841209 56539539441 59343152967 63171743481 72530520293 77209908699 93253526091 99269882613 107171962821 113976531889 169618618323 178029458901 217591560879 231629726097 279760578273 321515888463 341929595667 652774682637 694889178291 797835723223 1025788787001 1958324047911 2393507169669 3077366361003 7180521509007 21541564527021
• Sum of all divisors σ(n): 42343029800960
• Sum of proper divisors (its aliquot sum) s(n): 20801465273939
• 21541564527021 is a deficient number, because the sum of its proper divisors (20801465273939) is less than itself. Its deficiency is 740099253082

Bases of 21541564527021

• Binary: 100111001011110001001010011010011000110101101₂
• Hexadecimal: 0x1397894D31AD
• Base-36: 7MW23BZ59

Squares and roots of 21541564527021

• 21541564527021 squared (21541564527021²) is 464039002271809479439134441
• 21541564527021 cubed (21541564527021³) is 9996126110492628313436102328897796230261
• The square root of 21541564527021 is 4641289.1018574785
• The cube root of 21541564527021 is 27824.3961127343

Scales and comparisons

• 21,541,564,527,021 seconds is equal to 684,955 years, 6 weeks, 1 day, 12 hours, 10 minutes, 21 seconds.
• To count from 1 to 21,541,564,527,021 would take you about one million, seven hundred twelve thousand, three hundred eighty-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 21541564527021 cubic inches would be around 2318.7 feet tall.

Recreational maths with 21541564527021

• 21541564527021 backwards is 12072546514512
• The number of decimal digits it has is: 14
• The sum of 21541564527021's digits is 45
• More coming soon!