21243664066560

Names of 21243664066560

• Cardinal: 21243664066560 can be written as Twenty-one trillion, two hundred forty-three billion, six hundred sixty-four million, sixty-six thousand, five hundred sixty.

Scientific notation

• Scientific notation: 2.124366406656 × 10¹³

Factors of 21243664066560

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 288

Divisors of 21243664066560

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 37 39 40 47 48 52 60 64 65 74 78 80 94 96 104 111 120 128 130 141 148 156 160 169 181 185 188 192 195 208 222 235 240 256 260 282 296 312 320 338 362 370 376 384 390 416 444 470 480 481 507 512 520 543 555 564 592 611 624 640 676 705 724 740 752 768 780 832 845 888 905 940 960 962 1014 1024 1040 1086 1110 1128 1184 1222 1248 1280 1352 1410 1443 1448 1480 1504 1536 1560 1664 1690 1739 1776 1810 1833 1880 1920 1924 2028 2048 2080 2172 2197 2220 2256 2353 2368 2405 2444 2496 2535 2560 2704 2715 2820 2886 2896 2960 3008 3055 3072 3120 3328 3380 3478 3552 3620 3666 3760 3840 3848 4056 4160 4344 4394 4440 4512 4706 4736 4810 4888 4992 5070 5120 5217 5408 5430 5640 5772 5792 5920 6016 6110 6144 6240 6253 6591 6656 6697 6760 6956 7059 7104 7215 7240 7332 7520 7680 7696 7943 8112 8320 8507 8688 8695 8788 8880 9024 9165 9412 9472 9620 9776 9984 10140 10240 10434 10816 10860 10985 11280 11544 11584 11765 11840 12032 12220 12480 12506 13182 13312 13394 13520 13912 14118 14208 14430 14480 14664 15040 15360 15392 15886 16224 16640 17014 17376 17390 17576 17760 18048 18330 18759 18824 18944 19240 19552 19968 20091 20280 20868 21632 21720 21970 22560 22607 23088 23168 23530 23680 23829 24064 24440 24960 25012 25521 26085 26364 26624 26788 27040 27824 28236 28416 28860 28960 29328 30080 30589 30720 30784 31265 31772 32448 32955 33280 33485 34028 34752 34780 35152 35295 35520 36096 36660 37518 37648 37888 38480 39104 39715 39936 40182 40560 41736 42535 43264 43440 43940 45120 45214 46176 46336 47060 47360 47658 48128 48880 49920 50024 51042 52170 52728 53576 54080 55648 56472 56832 57720 57920 58656 60160 61178 61568 62530 63544 64896 65910 66560 66970 67821 68056 69504 69560 70304 70590 71040 72192 73320 75036 75296 75776 76960 78208 79430 79872 80364 81120 81289 83472 85070 86528 86880 87061 87880 90240 90428 91767 92352 92672 93795 94120 94720 95316 96256 97760 99840 100048 100455 102084 103259 104340 105456 107152 108160 110591 111296 112944 113035 113664 115440 115840 117312 119145 120320 122356 123136 125060 127088 127605 129792 131820 133120 133940 135642 136112 139008 139120 140608 141180 142080 144384 146640 150072 150592 152945 153920 156416 158860 160728 162240 162578 166944 170140 173056 173760 174122 175760 180480 180856 183534 184704 185344 187590 188240 189440 190632 195520 199680 200096 200910 204168 206518 208680 210912 214304 216320 221182 222592 225888 226070 227328 230880 231680 234624 238290 240640 243867 244712 246272 250120 254176 255210 259584 261183 263640 267880 271284 272224 278016 278240 281216 282360 284160 288768 293280 293891 300144 301184 305890 307840 309777 312832 314759 317720 321456 324480 325156 331773 333888 339105 340280 346112 347520 348244 351520 360960 361712 367068 369408 370688 375180 376480 378880 381264 391040 397657 399360 400192 401820 406445 408336 413036 417360 421824 428608 432640 435305 442364 445184 451776 452140 458835 461760 463360 469248 476580 481280 487734 489424 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9416517760 9569218048 9669396480 9780692480 10213300032 10372882845 10475179520 11041405440 11064408368 11299821312 11589560320 11736830976 11961522560 12216023040 12570215424 12766625040 13617733376 13830510460 14124776640 14353827072 14671038720 14721873920 15066428416 15712769280 16596612552 17022166720 17384340480 17942283840 18833035520 19138436096 19561384960 20426600064 20745765690 20950359040 22082810880 22128816736 22599642624 23473661952 23923045120 25140430848 25533250080 27235466752 27661020920 28249553280 28707654144 29342077440 30132856832 31425538560 33193225104 34044333440 34768680960 35884567680 37666071040 38276872192 39122769920 40853200128 41491531380 41900718080 44165621760 44257633472 45199285248 47846090240 51066500160 54470933504 55322041840 56499106560 57415308288 58684154880 62851077120 66386450208 68088666880 71769135360 75332142080 81706400256 82983062760 88515266944 90398570496 95692180480 102133000320 108941867008 110644083680 112998213120 114830616576 117368309760 125702154240 132772900416 136177333760 143538270720 150664284160 163412800512 165966125520 177030533888 191384360960 204266000640 221288167360 225996426240 265545800832 272354667520 287076541440 326825601024 331932251040 354061067776 408532001280 442576334720 451992852480 531091601664 544709335040 574153082880 663864502080 708122135552 817064002560 885152669440 1062183203328 1327729004160 1416244271104 1634128005120 1770305338880 2124366406656 2655458008320 3540610677760 4248732813312 5310916016640 7081221355520 10621832033280 21243664066560
• Sum of all divisors σ(n): 77649439795200
• Sum of proper divisors (its aliquot sum) s(n): 56405775728640
• 21243664066560 is an abundant number, because the sum of its proper divisors (56405775728640) is greater than itself. Its abundance is 35162111662080

Bases of 21243664066560

• Binary: 100110101001000101101000011001110100000000000₂
• Hexadecimal: 0x13522D0CE800
• Base-36: 7J37D38QO

Squares and roots of 21243664066560

• 21243664066560 squared (21243664066560²) is 451293262972852556110233600
• 21243664066560 cubed (21243664066560³) is 9587122474097000407020015694607548416000
• The square root of 21243664066560 is 4609084.9489416009
• The cube root of 21243664066560 is 27695.5381547563

Scales and comparisons

• 21,243,664,066,560 seconds is equal to 675,482 years, 41 weeks, 6 days, 12 hours, 16 minutes.
• To count from 1 to 21,243,664,066,560 would take you about one million, six hundred eighty-eight thousand, seven hundred 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 21243664066560 cubic inches would be around 2308 feet tall.

Recreational maths with 21243664066560

• 21243664066560 backwards is 06566046634212
• The number of decimal digits it has is: 14
• The sum of 21243664066560's digits is 51
• More coming soon!