21236820637284

Names of 21236820637284

• Cardinal: 21236820637284 can be written as Twenty-one trillion, two hundred thirty-six billion, eight hundred twenty million, six hundred thirty-seven thousand, two hundred eighty-four.

Scientific notation

• Scientific notation: 2.1236820637284 × 10¹³

Factors of 21236820637284

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 642

Divisors of 21236820637284

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 23 27 28 36 37 42 46 54 63 69 74 79 84 92 108 111 126 138 148 158 161 189 207 222 237 252 259 276 316 322 333 378 414 444 474 483 491 518 529 553 621 644 666 711 756 777 828 851 948 966 982 999 1036 1058 1106 1242 1332 1369 1422 1449 1473 1554 1587 1659 1702 1817 1932 1964 1998 2116 2133 2212 2331 2484 2553 2738 2844 2898 2923 2946 3108 3174 3318 3404 3437 3634 3703 3996 4107 4266 4347 4419 4662 4761 4977 5106 5451 5476 5796 5846 5892 5957 6348 6636 6874 6993 7268 7406 7659 8214 8532 8694 8769 8838 9324 9522 9583 9954 10212 10311 10902 11109 11293 11692 11914 12321 12719 13257 13748 13986 14283 14812 14931 15318 16353 16428 17388 17538 17676 17871 18167 19044 19166 19573 19908 20461 20622 21804 22218 22586 22977 23828 24642 25438 26307 26514 27972 28566 28749 29862 30636 30933 31487 32706 33327 33879 35076 35742 36334 36963 38157 38332 38789 39146 40922 41244 41791 44436 45172 45954 49059 49284 50876 52614 53028 53613 54501 57132 57498 58719 59724 61383 61866 62974 65412 66654 67229 67758 71484 72668 73926 76314 77578 78292 78921 79051 81844 83582 86247 91908 92799 94461 98118 99981 101637 105228 107226 108151 109002 114471 114996 116367 117438 122766 123732 125373 125948 127169 133308 134458 135516 137011 147852 152628 155156 157842 158102 160839 163503 167164 172494 176157 184149 185598 188922 196236 199962 201687 203274 214452 216302 218004 220409 228942 232734 234876 237153 245532 250746 254338 258741 259739 268916 271523 274022 283383 292537 304911 315684 316204 321678 324453 327006 343413 344988 349101 352314 368298 371196 376119 377844 381507 399924 403374 406548 411033 417841 432604 440818 457884 465468 470603 474306 490509 501492 508676 517482 519478 528471 543046 548044 552447 566766 585074 605061 609822 643356 648906 654012 661227 672179 686826 698202 704628 711459 724201 736596 752238 757057 763014 779217 806748 814569 822066 835682 850149 877611 881636 892147 941206 948612 973359 981018 1034964 1038956 1047303 1056942 1086092 1104894 1128357 1133532 1144521 1170148 1210122 1219644 1233099 1253523 1297812 1322454 1344358 1373652 1396404 1411809 1422918 1435193 1448402 1504476 1514114 1526028 1546267 1558434 1629138 1644132 1671364 1700298 1755222 1784294 1815183 1818173 1882412 1946718 1962036 1983681 2016537 2094606 2113884 2134377 2172603 2209788 2256714 2271171 2289042 2337651 2420244 2443707 2466198 2487473 2507046 2632833 2644908 2676441 2688716 2823618 2845836 2870386 2896804 2920077 2924887 3028228 3092534 3116868 3258276 3400596 3433563 3510444 3568588 3630366 3636346 3699297 3760569 3893436 3967362 4033074 4189212 4235427 4268754 4305579 4345206 4513428 4542342 4578084 4638801 4675302 4705253 4887414 4932396 4974946 5014092 5069407 5265666 5352882 5454519 5647236 5740772 5840154 5849774 5951043 6049611 6185068 6245029 6517809 6813513 6867126 7012953 7260732 7272692 7331121 7398594 7462419 7521138 7898499 7934724 8029323 8066148 8470854 8537508 8611158 8690412 8774661 9084684 9277602 9350604 9410506 9610343 9774828 9949892 10046351 10138814 10531332 10705764 10823869 10909038 11281707 11680308 11699548 11902086 12099222 12490058 12706281 12916737 13035618 13627026 13734252 13916403 14025906 14115759 14662242 14797188 14924838 15042276 15208221 15460117 15796998 16058646 16363557 16941708 17222316 17412311 17549322 18148833 18555204 18735087 18821012 19220686 19553427 20092702 20277628 20440539 20519381 21647738 21818076 22387257 22563414 23804172 24087969 24198444 24980116 25412562 25833474 26071236 26323983 27254052 27832806 28051812 28231518 28831029 29324484 29849676 30139053 30416442 30920234 31593996 32117292 32471607 32727114 33009439 34824622 35098644 36297666 37470174 38441372 38750211 39106854 40185404 40881078 41038762 41749209 42347277 43295476 44774514 45126828 45624663 46380351 48175938 49090671 50825124 51666948 52236933 52647966 53102141 55665612 56205261 56463036 57211879 57662058 60278106 60832884 61558143 61840468 64943214 65454228 66018878 67161771 67272401 69649244 72595332 74940348 77500422 78213708 78971949 81762156 82077524 83498418 84694554 86493087 89549028 90417159 91249326 92760702 96351876 97414821 98181342 99028317 104473866 105295932 106204282 108220819 112410522 114423758 115324116 120556212 123116286 127041831 129886428 132037756 134323542 134544802 136873989 139141053 143635667 155000844 156710799 157943898 159306423 166996836 168615783 169389108 171635637 172986174 180834318 182498652 184674429 185521404 194829642 196362684 198056634 201817203 208947732 212408564 216441638 224821044 228847516 231066073 246232572 254083662 259479261 268647084 269089604 271251477 273747978 278282106 287271334 292244463 297084951 313421598 315887796 318612846 324662457 337231566 343271274 345972348 355582691 361668636 369348858 371714987 389659284 396113268 400483153 403634406 417423159 430907001 432883276 462132146 470132397 477919269 508167324 514906911 518958522 542502954 547495956 554023287 556564212 574542668 584488926 594169902 605451609 626843196 637225692 649324914 674463132 686542548 693198219 711165382 738697716 743429974 759217097 800966306 807268812 834846318 861814002 891254853 924264292 940264794 955838538 973987371 1029813822 1037917044 1066748073 1085005908 1108046574 1115144961 1168977852 1188339804 1201449459 1210903218 1221349243 1292721003 1298649828 1386396438 1422330764 1433757807 1486859948 1518434194 1544720733 1601932612 1669692636 1723628004 1782509706 1816354827 1880529588 1911677076 1947974742 2059627644 2079594657 2133496146 2216093148 2230289922 2277651291 2402898918 2421806436 2442698486 2489078837 2585442006 2772792876 2867515614 2921962113 3036868388 3089441466 3200244219 3345434883 3565019412 3604348377 3632709654 3664047729 3878163009 3895949484 4159189314 4266992292 4460579844 4555302582 4805797836 4885396972 4978157674 5170884012 5314519679 5735031228 5843924226 6178882932 6238783971 6400488438 6690869766 6832953873 7208696754 7265419308 7328095458 7467236511 7756326018 8318378628 8549444701 9110605164 9600732657 9956315348 10036304649 10629039358 10813045131 10992143187 11687848452 12477567942 12800976876 13381739532 13665907746 14417393508 14656190916 14934473022 15512652036 15943559037 17098889402 19201465314 20072609298 20498861619 21258078716 21626090262 21984286374 22401709533 24955135884 25648334103 27331815492 28091032589 29868946044 31887118074 32976429561 34197778804 38402930628 40145218596 40997723238 43252180524 43968572748 44803419066 47830677111 51296668206 56182065178 63774236148 65952859122 67205128599 76945002309 81995446476 84273097767 89606838132 95661354222 102593336412 112364130356 131905718244 134410257198 143492031333 153890004618 168546195534 191322708444 196637228123 230835006927 252819293301 268820514396 286984062666 307780009236 337092391068 393274456246 461670013854 505638586602 573968125332 589911684369 758457879903 786548912492 923340027708 1011277173204 1179823368738 1516915759806 1769735053107 2359646737476 3033831519612 3539470106214 5309205159321 7078940212428 10618410318642 21236820637284
• Sum of all divisors σ(n): 68599719014400
• Sum of proper divisors (its aliquot sum) s(n): 47362898377116
• 21236820637284 is an abundant number, because the sum of its proper divisors (47362898377116) is greater than itself. Its abundance is 26126077739832

Bases of 21236820637284

• Binary: 100110101000010010101001001100111011001100100₂
• Hexadecimal: 0x135095267664
• Base-36: 7J026OSX0

Squares and roots of 21236820637284

• 21236820637284 squared (21236820637284²) is 451002550780171599890896656
• 21236820637284 cubed (21236820637284³) is 9577860277876073407385869786944104522304
• The square root of 21236820637284 is 4608342.5043375411
• The cube root of 21236820637284 is 27692.5638904979

Scales and comparisons

• 21,236,820,637,284 seconds is equal to 675,265 years, 10 weeks, 5 days, 3 hours, 41 minutes, 24 seconds.
• To count from 1 to 21,236,820,637,284 would take you about one million, six hundred eighty-eight thousand, one hundred sixty-three 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 21236820637284 cubic inches would be around 2307.7 feet tall.

Recreational maths with 21236820637284

• 21236820637284 backwards is 48273602863212
• 21236820637284 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21236820637284's digits is 54
• More coming soon!