21867689041920

Names of 21867689041920

• Cardinal: 21867689041920 can be written as Twenty-one trillion, eight hundred sixty-seven billion, six hundred eighty-nine million, forty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.186768904192 × 10¹³

Factors of 21867689041920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 886

Divisors of 21867689041920

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 167 180 192 216 240 256 270 288 320 334 360 384 432 480 501 512 540 576 640 668 709 720 768 835 864 960 1002 1024 1080 1152 1280 1336 1418 1440 1503 1536 1670 1728 1920 2004 2048 2127 2160 2304 2505 2560 2672 2836 2880 3006 3072 3340 3456 3545 3840 4008 4096 4254 4320 4509 4608 5010 5120 5344 5672 5760 6012 6144 6381 6680 6912 7090 7515 7680 8016 8192 8508 8640 9018 9216 10020 10240 10635 10688 11344 11520 12024 12288 12762 13360 13824 14180 15030 15360 16032 17016 17280 18036 18432 19143 20040 20480 21270 21376 22545 22688 23040 24048 24576 25524 26720 27648 27889 28360 30060 30720 31905 32064 34032 34560 36072 36864 38286 40080 40960 42540 42752 45090 45376 46080 48096 51048 53440 55296 55778 56720 60120 61440 63810 64128 68064 69120 72144 73728 76572 80160 83667 85080 85504 90180 90752 92160 95715 96192 102096 106880 110592 111556 113440 118403 120240 122880 127620 128256 136128 138240 139445 144288 153144 160320 167334 170160 171008 180360 181504 184320 191430 192384 204192 213760 221184 223112 226880 236806 240480 251001 255240 256512 272256 276480 278890 288576 306288 320640 334668 340320 342016 355209 360720 363008 368640 382860 384768 408384 418335 427520 446224 453760 473612 480960 502002 510480 513024 544512 552960 557780 577152 592015 612576 641280 669336 680640 684032 710418 721440 726016 753003 765720 769536 816768 836670 855040 892448 907520 947224 961920 1004004 1020960 1026048 1065627 1089024 1105920 1115560 1154304 1184030 1225152 1255005 1282560 1338672 1361280 1368064 1420836 1442880 1452032 1506006 1531440 1539072 1633536 1673340 1710080 1776045 1784896 1815040 1894448 1923840 2008008 2041920 2052096 2131254 2178048 2231120 2308608 2368060 2450304 2510010 2565120 2677344 2722560 2841672 2885760 2904064 3012012 3062880 3078144 3196881 3267072 3346680 3420160 3552090 3569792 3630080 3765015 3788896 3847680 4016016 4083840 4104192 4262508 4356096 4462240 4617216 4736120 4900608 5020020 5130240 5328135 5354688 5445120 5683344 5771520 5808128 6024024 6125760 6156288 6393762 6534144 6693360 6840320 7104180 7139584 7260160 7530030 7577792 7695360 8032032 8167680 8525016 8712192 8924480 9234432 9472240 9801216 10040040 10260480 10656270 10709376 10890240 11366688 11543040 12048048 12251520 12312576 12787524 13068288 13386720 14208360 14279168 14520320 15060060 15155584 15390720 15984405 16064064 16335360 17050032 17424384 17848960 18468864 18944480 19602432 19773301 20080080 20520960 21312540 21418752 21780480 22733376 23086080 24096096 24503040 25575048 26136576 26773440 28416720 28558336 29040640 30120120 30311168 30781440 31968810 32128128 32670720 34100064 35697920 36937728 37888960 39204864 39546602 40160160 42625080 42837504 43560960 45466752 46172160 48192192 49006080 51150096 52273152 53546880 56833440 57116672 59319903 60240240 60622336 61562880 63937620 64256256 65341440 68200128 71395840 75777920 78409728 79093204 80320320 85250160 85675008 87121920 90933504 92344320 96384384 98012160 98866505 102300192 107093760 113666880 114233344 118639806 120480480 121244672 127875240 128512512 130682880 136400256 142791680 151555840 156819456 158186408 160640640 170500320 171350016 177959709 181867008 184688640 192768768 196024320 197733010 204600384 214187520 227333760 228466688 237279612 240960960 242489344 255750480 257025024 261365760 272800512 285583360 296599515 303111680 316372816 321281280 341000640 342700032 355919418 363734016 385537536 392048640 395466020 409200768 428375040 454667520 474559224 481921920 484978688 511500960 514050048 533879127 545601024 571166720 593199030 606223360 632745632 642562560 682001280 685400064 711838836 727468032 771075072 784097280 790932040 818401536 856750080 889798545 909335040 949118448 963843840 969957376 1023001920 1028100096 1067758254 1091202048 1142333440 1186398060 1212446720 1265491264 1285125120 1364002560 1423677672 1454936064 1542150144 1581864080 1636803072 1713500160 1779597090 1818670080 1898236896 1927687680 2046003840 2056200192 2135516508 2182404096 2372796120 2424893440 2530982528 2570250240 2669395635 2728005120 2847355344 2909872128 3084300288 3163728160 3273606144 3427000320 3559194180 3637340160 3796473792 3855375360 4092007680 4271033016 4364808192 4745592240 4849786880 5061965056 5140500480 5338791270 5456010240 5694710688 6168600576 6327456320 6547212288 7118388360 7274680320 7592947584 7710750720 8184015360 8542066032 8729616384 9491184480 10123930112 10281000960 10677582540 10912020480 11389421376 12654912640 13094424576 14236776720 14549360640 15185895168 15421501440 16368030720 17084132064 18982368960 20247860224 21355165080 21824040960 22778842752 25309825280 26188849152 28473553440 30371790336 30843002880 32736061440 34168264128 37964737920 40495720448 42710330160 43648081920 45557685504 50619650560 56947106880 60743580672 65472122880 68336528256 75929475840 80991440896 85420660320 91115371008 101239301120 113894213760 121487161344 130944245760 136673056512 151858951680 161982881792 170841320640 182230742016 202478602240 227788427520 242974322688 273346113024 303717903360 341682641280 364461484032 404957204480 455576855040 485948645376 546692226048 607435806720 683365282560 728922968064 809914408960 911153710080 1093384452096 1214871613440 1366730565120 1457845936128 1822307420160 2186768904192 2429743226880 2733461130240 3644614840320 4373537808384 5466922260480 7289229680640 10933844520960 21867689041920
• Sum of all divisors σ(n): 78325694402400
• Sum of proper divisors (its aliquot sum) s(n): 56458005360480
• 21867689041920 is an abundant number, because the sum of its proper divisors (56458005360480) is greater than itself. Its abundance is 34590316318560

Bases of 21867689041920

• Binary: 100111110001101110111110101100110000000000000₂
• Hexadecimal: 0x13E377D66000
• Base-36: 7R1VLG5C0

Squares and roots of 21867689041920

• 21867689041920 squared (21867689041920²) is 478195824034108047517286400
• 21867689041920 cubed (21867689041920³) is 10457037581122569119015050471054245888000
• The square root of 21867689041920 is 4676290.0938585919
• The cube root of 21867689041920 is 27964.1075142153

Scales and comparisons

• 21,867,689,041,920 seconds is equal to 695,324 years, 45 weeks, 1 day, 19 hours, 12 minutes.
• To count from 1 to 21,867,689,041,920 would take you about one million, seven hundred thirty-eight thousand, three hundred twelve 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 21867689041920 cubic inches would be around 2330.3 feet tall.

Recreational maths with 21867689041920

• 21867689041920 backwards is 02914098676812
• The number of decimal digits it has is: 14
• The sum of 21867689041920's digits is 63
• More coming soon!