21738537792972

Names of 21738537792972

• Cardinal: 21738537792972 can be written as Twenty-one trillion, seven hundred thirty-eight billion, five hundred thirty-seven million, seven hundred ninety-two thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 2.1738537792972 × 10¹³

Factors of 21738537792972

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 603

Divisors of 21738537792972

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 13 14 18 21 22 26 28 31 33 36 39 42 44 49 52 62 63 66 77 78 79 84 91 93 98 99 117 121 124 126 132 143 147 154 156 158 182 186 196 198 217 231 234 237 242 252 273 279 286 294 308 316 341 343 363 364 372 396 403 429 434 441 457 462 468 474 484 539 546 553 558 572 588 637 651 682 686 693 711 726 806 819 847 858 868 869 882 914 924 948 1001 1023 1027 1029 1078 1089 1092 1106 1116 1209 1274 1287 1302 1364 1371 1372 1386 1422 1452 1519 1573 1612 1617 1638 1659 1694 1716 1738 1764 1828 1911 1953 2002 2046 2054 2058 2156 2178 2212 2387 2418 2449 2541 2548 2574 2604 2607 2742 2772 2821 2844 3003 3038 3069 3081 3087 3146 3199 3234 3276 3318 3388 3476 3627 3751 3773 3822 3871 3906 4004 4092 4108 4113 4116 4356 4433 4459 4557 4719 4774 4836 4851 4898 4977 5027 5082 5148 5214 5484 5642 5733 5929 5941 6006 6076 6083 6138 6162 6174 6292 6398 6468 6636 7007 7161 7189 7254 7347 7502 7546 7623 7644 7742 7812 7821 8226 8463 8866 8918 9009 9114 9243 9438 9548 9559 9597 9702 9796 9954 10054 10164 10428 10633 11011 11253 11284 11297 11319 11466 11613 11858 11882 12012 12166 12276 12324 12348 12796 13299 13377 13671 14014 14157 14167 14322 14378 14508 14694 15004 15081 15092 15246 15484 15642 16452 16709 16926 17143 17732 17787 17823 17836 18018 18228 18249 18486 18876 19118 19194 19404 19747 19908 20108 21021 21266 21483 21567 22022 22041 22393 22506 22594 22638 22932 23226 23716 23764 24332 25389 26257 26598 26754 26939 27097 27342 28028 28314 28334 28644 28677 28756 28791 29388 30162 30492 31031 31284 31837 31899 33033 33418 33759 33852 33891 33957 34286 34839 35189 35574 35646 36036 36103 36498 36972 38236 38388 39494 39897 40131 41503 41587 42042 42501 42532 42581 42966 43134 44044 44082 44786 45012 45188 45243 45276 46452 48763 49049 50127 50323 50778 51429 52514 53196 53361 53469 53508 53878 54194 54684 54747 55297 56628 56668 57354 57582 59241 60324 62062 63063 63674 63798 64701 65351 66066 66836 66913 67179 67518 67782 67914 68572 69678 70378 71148 71292 72206 72996 77077 78771 78988 79079 79794 80262 80817 81291 83006 83174 84084 85002 85162 85932 86031 86268 88164 89572 90486 93093 95511 95697 97526 98098 99099 99169 100254 100646 101556 101673 102858 105028 105567 106722 106938 107756 108309 108388 109494 110594 114708 115164 116963 118482 120001 124124 124267 124509 124761 126126 127348 127503 127596 127743 129402 130702 132132 133826 134358 135036 135564 135828 138229 139356 140756 144412 146289 147147 150381 150969 154154 154287 155837 156751 157542 158158 159588 160524 161634 162582 165891 166012 166348 170004 170324 172062 177723 180972 183799 184171 186186 188573 191022 191394 195052 196053 196196 198198 198338 200508 200739 201292 201537 203346 205716 211134 213444 213876 216618 217217 218988 221188 222859 231231 233926 236313 236964 237237 240002 242451 243873 246323 248534 249018 249522 252252 252721 255006 255486 258804 261404 267652 268716 276458 279279 286533 291109 292578 294294 296329 297507 298067 300762 301938 308308 308574 311674 313502 315084 316316 316701 323268 324927 325164 331782 341341 344124 350207 350889 352261 355446 360003 367598 368342 372372 372801 373527 374283 377146 382044 382788 383229 387079 392106 396396 396676 397133 401478 403074 406692 414687 422268 433236 434434 438867 441441 445718 452907 457457 462462 467511 467852 468391 469339 470253 472626 474474 480004 484902 487746 492646 497068 497673 498036 499044 505442 510012 510972 539539 551397 552513 552916 553553 558558 565719 573066 582218 585156 588159 588588 592658 595014 596134 601524 602217 603876 617148 623348 627004 633402 649854 651651 663564 668577 682682 693693 694183 700414 701778 704522 710892 711711 718861 720006 735196 736684 738969 745602 747054 748566 754292 758163 766458 774158 784212 794266 802956 806148 829374 840007 868868 869869 873327 877734 882882 888987 891436 892521 894201 905814 914914 924924 935022 936782 938678 940506 945252 948948 969804 975492 985292 995346 1010884 1024023 1050621 1052667 1056783 1079078 1080009 1090859 1102794 1105026 1107106 1117116 1118403 1119193 1131438 1146132 1161237 1164436 1176318 1185316 1190028 1191399 1192268 1204434 1244061 1266804 1286593 1289197 1299708 1303302 1320011 1337154 1365364 1372371 1387386 1388366 1400828 1402533 1403556 1405173 1408017 1409044 1410759 1423422 1437722 1440012 1477938 1491204 1494108 1497132 1516326 1520519 1532916 1548316 1560013 1588532 1618617 1654191 1657539 1658748 1660659 1680014 1697157 1714207 1724261 1739738 1746654 1755468 1765764 1769047 1777974 1785042 1788402 1811628 1829828 1870044 1873564 1877356 1881012 1954953 1990692 2005731 2025881 2037763 2048046 2074303 2082549 2101242 2105334 2113566 2156583 2158156 2160018 2181718 2205588 2210052 2214212 2216907 2236806 2238386 2262876 2274489 2322474 2352636 2382798 2389387 2408868 2451449 2488122 2520021 2573186 2578394 2606604 2609607 2619981 2640022 2666961 2674308 2682603 2709553 2744742 2774772 2776732 2779931 2805066 2810346 2816034 2821518 2846844 2875444 2955876 3032652 3041038 3072069 3120026 3151863 3170349 3202199 3237234 3272577 3278737 3285373 3308382 3315078 3321318 3357579 3360028 3394314 3428414 3448522 3479476 3483711 3493308 3538094 3555948 3570084 3574197 3576804 3852277 3859779 3867591 3874871 3909906 3960033 4011462 4051762 4075526 4096092 4117113 4148606 4165098 4202484 4210668 4215519 4224051 4227132 4313166 4320036 4363436 4368463 4433814 4473612 4476772 4548978 4561557 4644948 4680039 4765596 4778774 4855851 4859281 4902898 4976244 4981977 5032027 5040042 5142621 5146372 5156788 5162729 5172783 5219214 5239962 5280044 5307141 5333922 5365206 5419106 5489484 5559862 5610132 5620692 5632068 5643036 6077643 6082076 6089083 6113289 6144138 6222909 6240052 6247647 6303726 6340698 6404398 6469749 6474468 6545154 6557474 6570746 6616764 6630156 6642636 6715158 6788628 6856828 6897044 6967422 7076188 7148394 7168161 7354347 7560063 7636013 7704554 7719558 7735182 7749742 7819812 7828821 7834351 7920066 8022924 8103524 8128659 8151052 8234226 8297212 8330196 8339793 8431038 8448102 8626332 8736926 8867628 9024379 9097956 9123114 9240077 9360078 9557548 9606597 9711702 9718562 9805796 9817731 9836211 9856119 9963954 10064054 10072737 10080084 10285242 10325458 10345566 10438428 10479924 10614282 10667844 10730412 10838212 10920091 11119724 11556831 11579337 11602773 11624613 11880099 11999449 12155286 12178166 12226578 12288276 12311123 12383329 12445818 12495294 12607452 12681396 12808796 12939498 13090308 13105389 13114948 13141492 13430316 13684671 13934844 14040117 14181167 14296788 14336322 14520121 14549509 14577843 14708694 15096081 15120126 15272026 15409108 15427863 15439116 15470364 15488187 15499484 15518349 15657642 15668702 15840132 15921423 16257318 16468452 16679586 16725709 16862076 16896204 17160143 17473852 18048758 18232929 18246228 18267249 18339867 18480154 18668727 18720156 18966871 19213194 19423404 19437124 19459517 19635462 19672422 19712238 19927908 20128108 20145474 20570484 20650916 20691132 21228564 21504483 21840182 22063041 22284691 22415393 22908039 22997611 23113662 23158674 23205546 23249226 23503053 23760198 23998898 24310572 24356332 24385977 24453156 24622246 24766658 24891636 24990588 25019379 25878996 26210778 26965939 27073137 27369342 27720231 28080234 28362334 28672644 28819791 29040242 29099018 29155686 29417388 29508633 29568357 30192162 30240252 30544052 30579241 30855726 30976374 31036698 31315284 31337404 31842846 32514636 32760273 33359172 33451418 34320286 34670493 34873839 35224189 35998347 36097516 36139103 36465858 36534498 36679734 36933369 36960308 37149987 37337454 37933742 38426388 38919034 39270924 39316167 39344844 39424476 40290948 42543501 42623581 43008966 43560363 43648527 43680364 43733529 44126082 44569382 44830786 45288243 45816078 45995222 46227324 46317348 46411092 46464561 46498452 47006106 47520396 47997796 48771954 49244492 49533316 50038758 50177127 51480429 52421556 53452091 53931878 54146274 54738684 54801747 54840457 55440462 56160468 56724668 56790019 56900613 57639582 58080484 58198036 58311372 58378551 59017266 59136714 60384324 61158482 61711452 61952748 62073396 63170653 63685692 65520546 66854073 66902836 67246179 68640572 68724117 68992833 69340986 69747678 70448378 70509159 71996694 72278206 72931716 73068996 73359468 73866738 74299974 74674908 75867484 77838068 78632334 80897817 81219411 83160693 83996143 85087002 85247162 86017932 86177861 87120726 87297054 87467058 88252164 89138764 89661572 90576486 91632156 91737723 91990444 92929122 94012212 97543908 98280819 99268169 100077516 100354254 101640847 101846563 102960858 105672567 106904182 107863756 107995041 108292548 108417309 109603494 109680914 110800107 110880924 111449961 113580038 113801226 115279164 116757102 118034532 118273428 120121001 122316964 126341306 127630503 127870743 130681089 130945581 131041092 133708146 134492358 135422353 136216619 137448234 137985666 138681972 139495356 140896756 141018318 143993388 144556412 147733476 148599948 150531381 154441287 155992837 157264668 160044599 160356273 160983277 161795634 162438822 164521371 166321386 167992286 170174004 170370057 170494324 170701839 172355722 174241452 174594108 174934116 175135653 181152972 183475446 185858244 188761573 189511959 196561638 198536338 200562219 200708508 201738537 203281694 203693126 205921716 206978499 211345134 213808364 214054687 215990082 216834618 219206988 219361828 221600214 222899922 227160076 227602452 233514204 240242002 242693451 246569323 251988429 252682612 252973721 255261006 255741486 258533583 261362178 261891162 267416292 268984716 270844706 272433238 274896468 275213169 275971332 282036636 297804507 301062762 304922541 305539689 308882574 311985674 317017701 320089198 320712546 321966554 323591268 324877644 325251927 329042742 332642772 335984572 340740114 341403678 344711444 350271306 360363003 366950892 377523146 379023918 383612229 383883199 393123276 397072676 397530133 401124438 403477074 406267059 406563388 407386252 408649857 413956998 422690268 428109374 431980164 433669236 443200428 445799844 467978511 480133797 480484004 481068819 482949831 485386902 493138646 493564113 503976858 505947442 510522012 511110171 511482972 517067166 522724356 523782324 541689412 544866476 550426338 566284719 568535877 587973001 595609014 602125524 603245027 609845082 611079378 617765148 623971348 634035402 640178396 641425092 642164061 643933108 650503854 658085484 681480228 682807356 694877183 700542612 712925941 720726006 739707969 755046292 755965287 758047836 758921163 767224458 767766398 775600749 795060266 802248876 806954148 812534118 817299714 827913996 856218748 893413521 914767623 916619067 935957022 947956471 960267594 962137638 965899662 970773804 986277292 987128226 1007953716 1011894884 1022220342 1034134332 1081089009 1091949859 1100852676 1120312193 1132569438 1137071754 1151649597 1175946002 1191218028 1192590399 1206490054 1218801177 1219690164 1222158756 1225949571 1268070804 1284328122 1301007708 1321331011 1389754366 1403935533 1425851882 1440401391 1441452012 1448849493 1479415938 1498382809 1511930574 1517842326 1534448916 1535532796 1551201498 1590120532 1625068236 1634599428 1698854157 1760490589 1763919003 1770816047 1786827042 1809735081 1829535246 1833238134 1871914044 1895912942 1920535188 1924275276 1926492183 1931799324 1974256452 2044440684 2084631549 2138777823 2162178018 2183899718 2219123907 2240624386 2265138876 2274143508 2276763489 2303299194 2351892004 2385180798 2412980108 2437602354 2451899142 2568656244 2642662022 2779508732 2782710931 2807871066 2843869413 2851703764 2880802782 2897698986 2958831876 2996765618 3023861148 3035684652 3102402996 3275849577 3360936579 3397708314 3454948791 3520981178 3527838006 3541632094 3573654084 3577771197 3619470162 3659070492 3666476268 3791825884 3852984366 3963993033 4169263098 4222715189 4277555646 4324356036 4367799436 4438247814 4481248772 4495148427 4553526978 4606598388 4770361596 4875204708 4903798284 4990481587 5281471767 5285324044 5291757009 5312448141 5429205243 5565421862 5615742132 5687738826 5761605564 5795397972 5993531236 6253894647 6416333469 6551699154 6635695297 6721873158 6795416628 6909897582 7041962356 7055676012 7083264188 7155542394 7238940324 7643649013 7705968732 7842185351 7927986066 8338526196 8348132793 8445430378 8531608239 8555111292 8876495628 8990296854 9107053956 9827548731 9980963174 10082809737 10562943534 10583514018 10624896282 10858410486 11130843724 11375477652 11891979099 12323434123 12507789294 12668145567 12832666938 13103398308 13271390594 13443746316 13485445281 13819795164 14311084788 14971444761 15287298026 15684370702 15844415301 15855972132 15937344423 16696265586 16890860756 17063216478 17980593708 19478976517 19655097462 19907085891 19961926348 20165619474 21125887068 21167028036 21249792564 21716820972 22930947039 23526556053 23783958198 24646868246 25015578588 25044398379 25336291134 25665333876 26542781188 26970890562 29942889522 30574596052 31368741404 31688830602 31874688846 33392531172 34126432956 36970302369 38004436701 38957953034 39310194924 39814171782 40331238948 44914334283 45861894078 46449867079 47053112106 47567916396 49293736492 50088796758 50672582268 53941781124 54895297457 58436929551 59721257673 59885779044 63377661204 63749377692 68792841117 70579668159 73940604738 76008873402 77915906068 79628343564 86264038861 89828668566 91723788156 92899734158 94106224212 100177593516 109790594914 110910907107 116873859102 119442515346 137585682234 139349601237 141159336318 147881209476 152017746804 164685892371 172528077722 175310788653 179657337132 185799468316 219581189828 221821814214 233747718204 238885030692 258792116583 275171364468 278699202474 282318672636 329371784742 345056155444 350621577306 418048803711 443643628428 494057677113 517584233166 557398404948 603848272027 658743569484 701243154612 776376349749 836097607422 988115354226 1035168466332 1207696544054 1552752699498 1672195214844 1811544816081 1976230708452 2415393088108 3105505398996 3623089632162 5434634448243 7246179264324 10869268896486 21738537792972
• Sum of all divisors σ(n): 79466942464000
• Sum of proper divisors (its aliquot sum) s(n): 57728404671028
• 21738537792972 is an abundant number, because the sum of its proper divisors (57728404671028) is greater than itself. Its abundance is 35989866878056

Bases of 21738537792972

• Binary: 100111100010101100101110100101011010111001100₂
• Hexadecimal: 0x13C565D2B5CC
• Base-36: 7PEJO4NV0

Squares and roots of 21738537792972

• 21738537792972 squared (21738537792972²) is 472564025376471952732592784
• 21738537792972 cubed (21738537792972³) is 10272850925245414804771436643186573114048
• The square root of 21738537792972 is 4662460.4870145549
• The cube root of 21738537792972 is 27908.9464819083

Scales and comparisons

• 21,738,537,792,972 seconds is equal to 691,218 years, 13 weeks, 3 days, 16 hours, 16 minutes, 12 seconds.
• To count from 1 to 21,738,537,792,972 would take you about one million, seven hundred twenty-eight thousand and forty-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 21738537792972 cubic inches would be around 2325.7 feet tall.

Recreational maths with 21738537792972

• 21738537792972 backwards is 27929773583712
• The number of decimal digits it has is: 14
• The sum of 21738537792972's digits is 72
• More coming soon!