21442656420864

Names of 21442656420864

• Cardinal: 21442656420864 can be written as Twenty-one trillion, four hundred forty-two billion, six hundred fifty-six million, four hundred twenty thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1442656420864 × 10¹³

Factors of 21442656420864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 452

Divisors of 21442656420864

• Number of divisors d(n): 1320
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 32 36 38 42 48 54 56 57 63 64 72 76 81 84 96 108 112 114 126 128 133 144 152 162 168 171 189 192 216 224 228 243 252 256 266 288 304 324 336 342 361 378 384 399 421 432 448 456 486 504 512 513 532 567 576 608 648 672 684 722 729 756 768 798 842 864 896 912 972 1008 1024 1026 1064 1083 1134 1152 1197 1216 1263 1296 1344 1368 1444 1458 1512 1536 1539 1596 1684 1701 1728 1792 1824 1944 2016 2052 2128 2166 2187 2268 2304 2394 2432 2526 2527 2592 2688 2736 2888 2916 2947 3024 3072 3078 3192 3249 3368 3402 3456 3584 3591 3648 3789 3888 4032 4104 4256 4332 4374 4536 4608 4617 4788 4864 5052 5054 5103 5184 5376 5472 5776 5832 5894 6048 6156 6384 6498 6561 6736 6804 6912 7168 7182 7296 7578 7581 7776 7999 8064 8208 8512 8664 8748 8841 9072 9216 9234 9576 9728 9747 10104 10108 10206 10368 10752 10773 10944 11367 11552 11664 11788 12096 12312 12768 12996 13122 13472 13608 13824 13851 14364 14592 15156 15162 15309 15552 15998 16128 16416 17024 17328 17496 17682 18144 18468 19152 19456 19494 19683 20208 20216 20412 20736 21504 21546 21888 22734 22743 23104 23328 23576 23997 24192 24624 25536 25992 26244 26523 26944 27216 27648 27702 28728 29184 29241 30312 30324 30618 31104 31996 32256 32319 32832 34048 34101 34656 34992 35364 36288 36936 38304 38988 39366 40416 40432 40824 41472 41553 43092 43776 45468 45486 45927 46208 46656 47152 47994 48384 49248 51072 51984 52488 53046 53888 54432 55404 55993 57456 58368 58482 60624 60648 61236 62208 63992 64512 64638 65664 68096 68202 68229 69312 69984 70728 71991 72576 73872 76608 77976 78732 79569 80832 80864 81648 82944 83106 86184 87552 87723 90936 90972 91854 92416 93312 94304 95988 96768 96957 98496 102144 102303 103968 104976 106092 107776 108864 110808 111986 114912 116964 121248 121296 122472 124416 124659 127984 129276 131328 136192 136404 136458 137781 138624 139968 141456 143982 145152 147744 151981 153216 155952 157464 159138 161664 161728 163296 166212 167979 172368 175104 175446 181872 181944 183708 184832 186624 188608 191976 193536 193914 196992 204288 204606 204687 207936 209952 212184 215552 215973 217728 221616 223972 229824 233928 238707 242496 242592 244944 248832 249318 255968 258552 262656 263169 272808 272916 275562 277248 279936 282912 287964 290304 290871 295488 303962 306432 306909 311904 314928 318276 323328 323456 326592 332424 335958 344736 350892 363744 363888 367416 369664 373248 373977 377216 383952 387828 393984 408576 409212 409374 415872 419904 424368 431104 431946 435456 443232 447944 455943 459648 467856 477414 484992 485184 489888 498636 503937 511936 517104 525312 526338 545616 545832 551124 554496 559872 565824 575928 580608 581742 590976 607924 612864 613818 614061 623808 629856 636552 646656 646912 647919 653184 664848 671916 689472 701784 716121 727488 727776 734832 746496 747954 754432 767904 775656 787968 789507 818424 818748 831744 839808 848736 863892 870912 872613 886464 895888 911886 919296 920727 935712 954828 969984 970368 979776 997272 1007874 1023872 1034208 1052676 1063867 1091232 1091664 1102248 1108992 1119744 1131648 1151856 1163484 1181952 1215848 1225728 1227636 1228122 1247616 1259712 1273104 1293312 1293824 1295838 1306368 1329696 1343832 1367829 1378944 1403568 1432242 1454976 1455552 1469664 1495908 1508864 1511811 1535808 1551312 1575936 1579014 1636848 1637496 1663488 1679616 1697472 1727784 1741824 1745226 1772928 1791776 1823772 1838592 1841454 1842183 1871424 1909656 1939968 1940736 1943757 1959552 1994544 2015748 2047744 2068416 2105352 2127734 2148363 2182464 2183328 2204496 2239488 2263296 2303712 2326968 2363904 2368521 2431696 2455272 2456244 2495232 2519424 2546208 2587648 2591676 2612736 2617839 2659392 2687664 2735658 2757888 2762181 2807136 2864484 2909952 2911104 2939328 2991816 3017728 3023622 3071616 3102624 3158028 3191601 3273696 3274992 3326976 3359232 3394944 3455568 3490452 3545856 3583552 3647544 3677184 3682908 3684366 3742848 3819312 3879936 3881472 3887514 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14737464 14971392 15277248 15550056 15676416 15956352 16125984 16413948 16547328 16573086 16579647 16842816 17021872 17186904 17459712 17466624 17493813 17635968 18141732 18429696 18615744 18948168 19149606 19335267 19453568 19642176 19649952 20155392 20369664 20733408 20942712 21275136 21501312 21885264 22097448 22106196 22457088 22915872 23288832 23325084 23514624 23934528 24188976 24572928 24620922 24820992 25264224 25532808 25780356 26189568 26199936 27159552 27212598 27644544 27923616 28422252 28668416 28724409 29180352 29463264 29474928 29942784 30554496 31100112 31912704 32251968 32827896 33094656 33146172 33159294 33685632 34043744 34373808 34919424 34933248 34987626 35271936 36283464 36859392 36931383 37231488 37896336 38299212 38670534 38907136 39284352 39299904 40739328 40818897 41466816 41885424 42550272 43002624 43770528 44194896 44212392 44914176 45831744 46650168 47029248 47869056 48377952 49241844 49641984 49738941 50528448 51065616 51560712 52379136 52399872 52481439 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206242848 209599488 209925756 217700784 221156352 221588298 223388928 227378016 229795272 232023204 233442816 235706112 235799424 244435968 244913382 248800896 258015744 258519681 262623168 265169376 265274352 269485056 272349952 274990464 279901008 290267712 295451064 297851904 303170688 306393696 309364272 314274816 314399232 314888634 326551176 331734528 332382447 335083392 344692908 350164224 353559168 353699136 366653952 367370073 373201344 382952448 387023616 393934752 397911528 404227584 408524928 412485696 419851512 435401568 443176596 446777856 454756032 459590544 464046408 466885632 471412224 471598848 489826764 497601792 516031488 517039362 525246336 530338752 530548704 544699904 549980928 559802016 580535424 590902128 606341376 612787392 618728544 628798464 629777268 653102352 663469056 664764894 670166784 689385816 700328448 707118336 707398272 733307904 734740146 746402688 774047232 775559043 787869504 795823056 808455168 817049856 824971392 839703024 870803136 886353192 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4653354258 4727217024 4902299136 4949828352 5038218144 5224818816 5318119152 5515086528 5659186176 5877921168 5971221504 5982884046 6204472344 6302956032 6366584448 6599771136 6717624192 6966425088 6980031387 7090825536 7276096512 7353448704 7424742528 7837228224 7977178728 8272629792 8485420032 8488779264 8816881752 8956832256 9306708516 9454434048 9804598272 9899656704 10076436288 10449637632 10636238304 11030173056 11755842336 11965768092 12408944688 12605912064 12733168896 13435248384 13932850176 13960062774 14181651072 14706897408 14849485056 15674456448 15954357456 16545259584 16977558528 17633763504 17913664512 18613417032 18908868096 19799313408 20152872576 20899275264 20940094161 21272476608 22060346112 23511684672 23931536184 24817889376 25466337792 26870496768 27920125548 28363302144 29413794816 29698970112 31348912896 31908714912 33090519168 35267527008 37226834064 37817736192 40305745152 41798550528 41880188322 42544953216 44120692224 47023369344 47863072368 49635778752 50932675584 53740993536 55840251096 56726604288 59397940224 62697825792 63817429824 66181038336 70535054016 74453668128 80611490304 83760376644 85089906432 88241384448 94046738688 95726144736 99271557504 111680502192 113453208576 125395651584 127634859648 132362076672 141070108032 148907336256 161222980608 167520753288 170179812864 188093477376 191452289472 198543115008 223361004384 255269719296 264724153344 282140216064 297814672512 335041506576 340359625728 376186954752 382904578944 397086230016 446722008768 510539438592 564280432128 595629345024 670083013152 765809157888 794172460032 893444017536 1021078877184 1128560864256 1191258690048 1340166026304 1531618315776 1786888035072 2382517380096 2680332052608 3063236631552 3573776070144 5360664105216 7147552140288 10721328210432 21442656420864
• Sum of all divisors σ(n): 77735689128768
• Sum of proper divisors (its aliquot sum) s(n): 56293032707904
• 21442656420864 is an abundant number, because the sum of its proper divisors (56293032707904) is greater than itself. Its abundance is 34850376287040

Bases of 21442656420864

• Binary: 100111000000010000001111010110100010000000000₂
• Hexadecimal: 0x138081EB4400
• Base-36: 7LMMC0000

Squares and roots of 21442656420864

• 21442656420864 squared (21442656420864²) is 459787514383220126694506496
• 21442656420864 cubed (21442656420864³) is 9859065697522453802366275284650157932544
• The square root of 21442656420864 is 4630621.6019951361
• The cube root of 21442656420864 is 27781.7455255559

Scales and comparisons

• 21,442,656,420,864 seconds is equal to 681,810 years, 7 weeks, 4 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,442,656,420,864 would take you about one million, seven hundred four thousand, five hundred twenty-five 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 21442656420864 cubic inches would be around 2315.1 feet tall.

Recreational maths with 21442656420864

• 21442656420864 backwards is 46802465624412
• 21442656420864 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21442656420864's digits is 54
• More coming soon!