21320567665920

Names of 21320567665920

• Cardinal: 21320567665920 can be written as Twenty-one trillion, three hundred twenty billion, five hundred sixty-seven million, six hundred sixty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.132056766592 × 10¹³

Factors of 21320567665920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3110

Divisors of 21320567665920

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 32 36 40 45 48 58 60 61 64 72 80 87 90 96 116 120 122 128 144 145 160 174 180 183 192 232 240 244 256 261 288 290 305 320 348 360 366 384 401 435 464 480 488 522 549 576 580 610 640 696 720 732 768 802 870 915 928 960 976 1044 1098 1152 1160 1203 1220 1280 1305 1392 1440 1464 1604 1740 1769 1830 1856 1920 1952 2005 2088 2196 2304 2320 2406 2440 2609 2610 2745 2784 2880 2928 3208 3480 3538 3609 3660 3712 3840 3904 4010 4176 4392 4640 4812 4880 5218 5220 5307 5490 5568 5760 5856 6015 6416 6960 7076 7218 7320 7424 7808 7827 8020 8352 8784 8845 9280 9624 9760 10436 10440 10614 10980 11136 11520 11629 11712 12030 12832 13045 13920 14152 14436 14640 15616 15654 15921 16040 16704 17568 17690 18045 18560 19248 19520 20872 20880 21228 21960 22272 23258 23424 23481 24060 24461 25664 26090 26535 27840 28304 28872 29280 31308 31842 32080 33408 34887 35136 35380 36090 37120 38496 39040 39135 41744 41760 42456 43920 46516 46848 46962 48120 48922 51328 52180 53070 55680 56608 57744 58145 58560 62616 63684 64160 66816 69774 70272 70760 72180 73383 75661 76992 78080 78270 79605 83488 83520 84912 87840 93032 93924 96240 97844 102656 104360 104661 106140 111360 113216 115488 116290 117120 117405 122305 125232 127368 128320 139548 140544 141520 144360 146766 151322 153984 156540 159149 159210 166976 167040 169824 174435 175680 186064 187848 192480 195688 208720 209322 212280 220149 226432 226983 230976 232580 234240 234810 244610 250464 254736 256640 279096 283040 288720 293532 302644 307968 313080 318298 318420 333952 334080 339648 348870 351360 366915 372128 375696 378305 384960 391376 417440 418644 424560 440298 452864 453966 461952 465160 469620 477447 489220 500928 509472 513280 523305 558192 566080 577440 587064 605288 626160 636596 636840 667904 679296 680949 697740 702720 709369 733830 744256 751392 756610 769920 782752 795745 834880 837288 849120 880596 907932 923904 930320 939240 954894 978440 1001856 1018944 1046209 1046610 1100745 1116384 1132160 1134915 1154880 1174128 1210576 1252320 1273192 1273680 1358592 1361898 1395480 1418738 1432341 1467660 1488512 1502784 1513220 1539840 1565504 1591490 1669760 1674576 1698240 1761192 1815864 1860640 1878480 1909788 1956880 2003712 2037888 2092418 2093220 2128107 2201490 2232768 2264320 2269830 2309760 2348256 2387235 2421152 2504640 2546384 2547360 2723796 2790960 2837476 2864682 2935320 2977024 3005568 3026440 3131008 3138627 3182980 3339520 3349152 3396480 3404745 3522384 3546845 3631728 3721280 3756960 3819576 3913760 4075776 4184836 4186440 4256214 4402980 4465536 4539660 4615321 4619520 4696512 4774470 4842304 5009280 5092768 5094720 5231045 5447592 5581920 5674952 5729364 5870640 6011136 6052880 6262016 6277254 6365960 6384321 6698304 6792960 6809490 7044768 7093690 7161705 7263456 7442560 7513920 7639152 7827520 8369672 8372880 8512428 8805960 8931072 9079320 9230642 9393024 9415881 9548940 9684608 10018560 10185536 10189440 10462090 10640535 10895184 11163840 11349904 11458728 11741280 12105760 12554508 12731920 12768642 13396608 13618980 13845963 14089536 14187380 14323410 14526912 14885120 15027840 15278304 15655040 15693135 16739344 16745760 17024856 17611920 18158640 18461284 18786048 18831762 19097880 19369216 20371072 20378880 20924180 21281070 21790368 22327680 22699808 22917456 23076605 23482560 24211520 25109016 25463840 25537284 26793216 27237960 27691926 28179072 28374760 28646820 29053824 30055680 30340061 30556608 31310080 31386270 31921605 33478688 33491520 34049712 35223840 36317280 36922568 37663524 38195760 40742144 41537889 41848360 42562140 43580736 44655360 45399616 45834912 46153210 46965120 47079405 48423040 50218032 50927680 51074568 54475920 55383852 56358144 56749520 57293640 58107648 60680122 61113216 62772540 63818749 63843210 66957376 66983040 68099424 69229815 70447680 72634560 73845136 75327048 76391520 83075778 83696720 85124280 87161472 90799232 91020183 91669824 92306420 93930240 94158810 96846080 100436064 101855360 102149136 108951840 110767704 113499040 114587280 121360244 122226432 125545080 127637498 127686420 133914752 133966080 136198848 138459630 140895360 145269120 147690272 150654096 151700305 152783040 166151556 167393440 170248560 174322944 181598464 182040366 183339648 184612840 188317620 191456247 200872128 203710720 204298272 207689445 217903680 221535408 226998080 229174560 242720488 251090160 255274996 255372840 267829504 272397696 273060549 276919260 281790720 290538240 295380544 301308192 303400610 305566080 319093745 332303112 334786880 340497120 364080732 366679296 369225680 376635240 382912494 401744256 408596544 415378890 435807360 443070816 453996160 455100915 458349120 485440976 502180320 510549992 510745680 544795392 546121098 553838520 574368741 590761088 602616384 606801220 611132160 638187490 664606224 669573760 680994240 728161464 738451360 753270480 765824988 803488512 817193088 830757780 871614720 886141632 907992320 910201830 916698240 957281235 970881952 1004360640 1021099984 1021491360 1092242196 1107677040 1148737482 1181522176 1205232768 1213602440 1276374980 1329212448 1339147520 1361988480 1365302745 1456322928 1476902720 1506540960 1531649976 1634386176 1661515560 1772283264 1820403660 1833396480 1850743721 1914562470 1941763904 2008721280 2042199968 2042982720 2184484392 2215354080 2297474964 2410465536 2427204880 2552749960 2658424896 2723976960 2730605490 2871843705 2912645856 2953805440 3013081920 3063299952 3323031120 3544566528 3640807320 3701487442 3829124940 3883527808 4017442560 4084399936 4085965440 4368968784 4430708160 4594949928 4854409760 5105499920 5316849792 5461210980 5552231163 5743687410 5825291712 5907610880 6026163840 6126599904 6646062240 7281614640 7402974884 7658249880 7767055616 8168799872 8171930880 8737937568 8861416320 9189899856 9253718605 9708819520 10210999840 10633699584 10922421960 11104462326 11487374820 11650583424 12052327680 12253199808 13292124480 14563229280 14805949768 15316499760 16337599744 16656693489 17475875136 17722832640 18379799712 18507437210 19417639040 20421999680 21844843920 22208924652 22974749640 23301166848 24506399616 26584248960 27761155815 29126458560 29611899536 30632999520 33313386978 34951750272 36759599424 37014874420 38835278080 40843999360 43689687840 44417849304 45949499280 49012799232 53168497920 55522311630 58252917120 59223799072 61265999040 66626773956 69903500544 73519198848 74029748840 81687998720 83283467445 87379375680 88835698608 91898998560 111044623260 116505834240 118447598144 122531998080 133253547912 147038397696 148059497680 166566934890 174758751360 177671397216 183797997120 222089246520 236895196288 245063996160 266507095824 296118995360 333133869780 349517502720 355342794432 367595994240 444178493040 473790392576 533014191648 592237990720 666267739560 710685588864 735191988480 888356986080 1066028383296 1184475981440 1332535479120 1421371177728 1776713972160 2132056766592 2368951962880 2665070958240 3553427944320 4264113533184 5330141916480 7106855888640 10660283832960 21320567665920
• Sum of all divisors σ(n): 77784848013600
• Sum of proper divisors (its aliquot sum) s(n): 56464280347680
• 21320567665920 is an abundant number, because the sum of its proper divisors (56464280347680) is greater than itself. Its abundance is 35143712681760

Bases of 21320567665920

• Binary: 100110110010000010100110111001011010100000000₂
• Hexadecimal: 0x136414DCB500
• Base-36: 7K2J7I9S0

Squares and roots of 21320567665920

• 21320567665920 squared (21320567665920²) is 454566605597073396729446400
• 21320567665920 cubed (21320567665920³) is 9691618073299972358090859194181746688000
• The square root of 21320567665920 is 4617420.0226879945
• The cube root of 21320567665920 is 27728.9178580825

Scales and comparisons

• 21,320,567,665,920 seconds is equal to 677,928 years, 5 weeks, 2 days, 11 hours, 12 minutes.
• To count from 1 to 21,320,567,665,920 would take you about one million, six hundred ninety-four thousand, eight hundred twenty 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 21320567665920 cubic inches would be around 2310.7 feet tall.

Recreational maths with 21320567665920

• 21320567665920 backwards is 02956676502312
• The number of decimal digits it has is: 14
• The sum of 21320567665920's digits is 54
• More coming soon!