21382394019840

Names of 21382394019840

• Cardinal: 21382394019840 can be written as Twenty-one trillion, three hundred eighty-two billion, three hundred ninety-four million, nineteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.138239401984 × 10¹³

Factors of 21382394019840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 32
• Sum of prime factors: 34

Divisors of 21382394019840

• Number of divisors d(n): 1404
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 28 30 32 34 35 36 40 42 45 48 49 51 56 60 63 64 68 70 72 80 84 85 90 96 98 102 105 112 119 120 126 128 136 140 144 147 153 160 168 170 180 192 196 204 210 224 238 240 245 252 255 256 272 280 288 289 294 306 315 320 336 340 357 360 384 392 408 420 441 448 476 480 490 504 510 512 544 560 576 578 588 595 612 630 640 672 680 714 720 735 765 768 784 816 833 840 867 882 896 952 960 980 1008 1020 1024 1071 1088 1120 1152 1156 1176 1190 1224 1260 1280 1344 1360 1428 1440 1445 1470 1530 1536 1568 1632 1666 1680 1734 1764 1785 1792 1904 1920 1960 2016 2023 2040 2048 2142 2176 2205 2240 2304 2312 2352 2380 2448 2499 2520 2560 2601 2688 2720 2856 2880 2890 2940 3060 3072 3136 3264 3332 3360 3468 3528 3570 3584 3808 3840 3920 4032 4046 4080 4096 4165 4284 4335 4352 4410 4480 4608 4624 4704 4760 4896 4998 5040 5120 5202 5355 5376 5440 5712 5760 5780 5880 6069 6120 6144 6272 6528 6664 6720 6936 7056 7140 7168 7497 7616 7680 7840 8064 8092 8160 8192 8330 8568 8670 8704 8820 8960 9216 9248 9408 9520 9792 9996 10080 10115 10240 10404 10710 10752 10880 11424 11520 11560 11760 12138 12240 12288 12495 12544 13005 13056 13328 13440 13872 14112 14161 14280 14336 14994 15232 15360 15680 16128 16184 16320 16384 16660 17136 17340 17408 17640 17920 18207 18432 18496 18816 19040 19584 19992 20160 20230 20480 20808 21420 21504 21760 22848 23040 23120 23520 24276 24480 24576 24990 25088 26010 26112 26656 26880 27744 28224 28322 28560 28672 29988 30345 30464 30720 31360 32256 32368 32640 32768 33320 34272 34680 34816 35280 35840 36414 36864 36992 37485 37632 38080 39168 39984 40320 40460 40960 41616 42483 42840 43008 43520 45696 46080 46240 47040 48552 48960 49152 49980 50176 52020 52224 53312 53760 55488 56448 56644 57120 57344 59976 60690 60928 61440 62720 64512 64736 65280 65536 66640 68544 69360 69632 70560 70805 71680 72828 73728 73984 74970 75264 76160 78336 79968 80640 80920 81920 83232 84966 85680 86016 87040 91035 91392 92160 92480 94080 97104 97920 98304 99960 100352 104040 104448 106624 107520 110976 112896 113288 114240 114688 119952 121380 121856 122880 125440 127449 129024 129472 130560 131072 133280 137088 138720 139264 141120 141610 143360 145656 147456 147968 149940 150528 152320 156672 159936 161280 161840 163840 166464 169932 171360 172032 174080 182070 182784 184320 184960 188160 194208 195840 196608 199920 200704 208080 208896 212415 213248 215040 221952 225792 226576 228480 229376 239904 242760 243712 245760 250880 254898 258048 258944 261120 262144 266560 274176 277440 278528 282240 283220 286720 291312 294912 295936 299880 301056 304640 313344 319872 322560 323680 327680 332928 339864 342720 344064 348160 364140 365568 368640 369920 376320 388416 391680 393216 399840 401408 416160 417792 424830 426496 430080 443904 451584 453152 456960 458752 479808 485520 487424 491520 501760 509796 516096 517888 522240 524288 533120 548352 554880 557056 564480 566440 573440 582624 589824 591872 599760 602112 609280 626688 637245 639744 645120 647360 655360 665856 679728 685440 688128 696320 728280 731136 737280 739840 752640 776832 783360 786432 799680 802816 832320 835584 849660 852992 860160 887808 903168 906304 913920 917504 959616 971040 974848 983040 1003520 1019592 1032192 1035776 1044480 1048576 1066240 1096704 1109760 1114112 1128960 1132880 1146880 1165248 1179648 1183744 1199520 1204224 1218560 1253376 1274490 1279488 1290240 1294720 1310720 1331712 1359456 1370880 1376256 1392640 1456560 1462272 1474560 1479680 1505280 1553664 1566720 1572864 1599360 1605632 1664640 1671168 1699320 1705984 1720320 1775616 1806336 1812608 1827840 1835008 1919232 1942080 1949696 1966080 2007040 2039184 2064384 2071552 2088960 2097152 2132480 2193408 2219520 2228224 2257920 2265760 2293760 2330496 2359296 2367488 2399040 2408448 2437120 2506752 2548980 2558976 2580480 2589440 2621440 2663424 2718912 2741760 2752512 2785280 2913120 2924544 2949120 2959360 3010560 3107328 3133440 3145728 3198720 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65253888 66060288 66289664 66846720 68239360 70189056 71024640 71303168 72253440 72504320 73400320 74575872 75497472 75759616 76769280 77070336 77987840 80216064 81567360 81887232 82575360 82862080 83886080 85229568 87005184 87736320 88080384 89128960 93219840 93585408 94371840 94699520 96337920 99434496 100270080 100663296 102359040 102760448 106536960 106954752 108756480 109182976 110100480 113639424 115605504 116006912 116981760 117440512 122830848 124293120 124780544 125829120 128450560 130507776 132120576 132579328 133693440 136478720 140378112 142049280 142606336 144506880 145008640 146800640 149151744 150994944 151519232 153538560 154140672 155975680 160432128 163134720 163774464 165150720 165724160 167772160 170459136 174010368 175472640 176160768 178257920 186439680 187170816 188743680 189399040 192675840 198868992 200540160 204718080 205520896 213073920 213909504 217512960 218365952 220200960 227278848 231211008 232013824 233963520 234881024 245661696 248586240 249561088 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1044062208 1056964608 1060634624 1069547520 1091829760 1123024896 1136394240 1156055040 1160069120 1174405120 1193213952 1212153856 1228308480 1233125376 1247805440 1283457024 1305077760 1310195712 1321205760 1325793280 1363673088 1392082944 1403781120 1426063360 1491517440 1497366528 1509949440 1515192320 1541406720 1590951936 1604321280 1637744640 1644167168 1704591360 1711276032 1740103680 1746927616 1761607680 1818230784 1849688064 1856110592 1871708160 1965293568 1988689920 1996488704 2055208960 2088124416 2113929216 2121269248 2139095040 2183659520 2246049792 2272788480 2312110080 2320138240 2386427904 2424307712 2456616960 2466250752 2495610880 2566914048 2610155520 2620391424 2642411520 2651586560 2727346176 2784165888 2807562240 2852126720 2983034880 2994733056 3030384640 3082813440 3181903872 3208642560 3275489280 3409182720 3480207360 3493855232 3523215360 3636461568 3699376128 3712221184 3743416320 3930587136 3977379840 3992977408 4110417920 4176248832 4242538496 4278190080 4367319040 4492099584 4545576960 4624220160 4640276480 4772855808 4848615424 4913233920 4932501504 4991221760 5133828096 5220311040 5240782848 5284823040 5303173120 5454692352 5568331776 5615124480 5966069760 5989466112 6060769280 6165626880 6363807744 6417285120 6550978560 6818365440 6960414720 6987710464 7272923136 7398752256 7424442368 7486832640 7861174272 7954759680 8220835840 8352497664 8485076992 8556380160 8734638080 8984199168 9091153920 9248440320 9280552960 9545711616 9697230848 9826467840 9982443520 10440622080 10481565696 10569646080 10606346240 10909384704 11136663552 11230248960 11932139520 11978932224 12121538560 12331253760 12727615488 12834570240 13101957120 13636730880 13920829440 13975420928 14545846272 14797504512 14848884736 14973665280 15722348544 15909519360 16704995328 16970153984 17469276160 17968398336 18182307840 18496880640 18561105920 19091423232 19652935680 19964887040 20881244160 20963131392 21212692480 21818769408 22273327104 22460497920 23864279040 24243077120 24662507520 25455230976 25669140480 26203914240 27273461760 27841658880 27950841856 29091692544 29697769472 29947330560 31444697088 31819038720 33409990656 33940307968 34938552320 35936796672 36364615680 36993761280 37122211840 38182846464 39305871360 41762488320 41926262784 42425384960 43637538816 44546654208 44920995840 47728558080 48486154240 50910461952 52407828480 54546923520 55683317760 59395538944 59894661120 62889394176 63638077440 66819981312 67880615936 69877104640 72729231360 73987522560 74244423680 76365692928 78611742720 83524976640 83852525568 84850769920 87275077632 89093308416 89841991680 95457116160 101820923904 104815656960 109093847040 111366635520 118791077888 125778788352 127276154880 133639962624 139754209280 145458462720 148488847360 152731385856 157223485440 167049953280 169701539840 178186616832 179683983360 190914232320 203641847808 209631313920 218187694080 222733271040 237582155776 251557576704 254552309760 267279925248 296977694720 305462771712 314446970880 334099906560 339403079680 356373233664 381828464640 419262627840 436375388160 445466542080 475164311552 509104619520 534559850496 593955389440 610925543424 628893941760 668199813120 712746467328 763656929280 890933084160 1018209239040 1069119700992 1187910778880 1257787883520 1336399626240 1425492934656 1527313858560 1781866168320 2138239401984 2375821557760 2672799252480 3054627717120 3563732336640 4276478803968 5345598504960 7127464673280 10691197009920 21382394019840
• Sum of all divisors σ(n): 91598363503686
• Sum of proper divisors (its aliquot sum) s(n): 70215969483846
• 21382394019840 is an abundant number, because the sum of its proper divisors (70215969483846) is greater than itself. Its abundance is 48833575464006

Bases of 21382394019840

• Binary: 100110111001001111010000000000000000000000000₂
• Hexadecimal: 0x13727A000000
• Base-36: 7KUXPBLS0

Squares and roots of 21382394019840

• 21382394019840 squared (21382394019840²) is 457206774019689394313625600
• 21382394019840 cubed (21382394019840³) is 9776175390628944783385939730868731904000
• The square root of 21382394019840 is 4624110.0786897363
• The cube root of 21382394019840 is 27755.6951846683

Scales and comparisons

• 21,382,394,019,840 seconds is equal to 679,893 years, 51 weeks, 3 days, 6 hours, 24 minutes.
• To count from 1 to 21,382,394,019,840 would take you about one million, six hundred ninety-nine thousand, seven hundred thirty-four 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 21382394019840 cubic inches would be around 2313 feet tall.

Recreational maths with 21382394019840

• 21382394019840 backwards is 04891049328312
• The number of decimal digits it has is: 14
• The sum of 21382394019840's digits is 54
• More coming soon!