21447957020672

Names of 21447957020672

• Cardinal: 21447957020672 can be written as Twenty-one trillion, four hundred forty-seven billion, nine hundred fifty-seven million, twenty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1447957020672 × 10¹³

Factors of 21447957020672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 173

Divisors of 21447957020672

• Number of divisors d(n): 912
• Complete list of divisors:
  1 2 4 7 8 13 14 16 23 26 28 31 32 46 52 56 62 64 91 92 97 104 112 124 128 161 169 182 184 194 208 217 224 248 256 299 322 338 364 368 388 403 416 434 448 496 512 598 644 676 679 713 728 736 776 806 832 868 896 992 1024 1183 1196 1261 1288 1352 1358 1426 1456 1472 1552 1612 1664 1736 1792 1984 2048 2093 2231 2366 2392 2522 2576 2704 2716 2821 2852 2912 2944 3007 3104 3224 3328 3472 3584 3887 3968 4096 4186 4462 4732 4784 4991 5044 5152 5239 5408 5432 5642 5704 5824 5888 6014 6208 6448 6656 6944 7168 7774 7936 8192 8372 8827 8924 9269 9464 9568 9982 10088 10304 10478 10816 10864 11284 11408 11648 11776 12028 12416 12896 13312 13888 14336 15548 15617 15872 16384 16393 16744 17654 17848 18538 18928 19136 19964 20176 20608 20956 21049 21632 21728 22568 22816 23296 23552 24056 24832 25792 26624 27209 27776 28672 29003 31096 31234 31744 32768 32786 33488 35308 35696 36673 37076 37856 38272 39091 39928 40352 41216 41912 42098 43264 43456 45136 45632 46592 47104 48112 49664 51584 53248 54418 55552 57344 58006 62192 62468 63488 64883 65536 65572 66976 69161 70616 71392 73346 74152 75712 76544 78182 79856 80704 82432 83824 84196 86528 86912 90272 91264 93184 94208 96224 99328 103168 106496 108836 111104 114688 114751 116012 120497 124384 124936 126976 129766 131072 131144 133952 138322 141232 142784 146692 148304 151424 153088 156364 159712 161408 164864 167648 168392 173056 173824 180544 182528 186368 188416 192448 198656 203021 206336 212992 217672 222208 229376 229502 232024 240994 248768 249872 253952 259532 262144 262288 267904 273637 276644 282464 285568 293384 296608 302848 306176 312728 319424 322816 329728 335296 336784 346112 347648 361088 365056 372736 376832 377039 384896 397312 406042 412672 425984 435344 444416 458752 459004 464048 481988 484127 497536 499744 507904 508183 519064 524576 535808 547274 553288 564928 571136 586768 593216 605696 612352 625456 638848 645632 659456 670592 673568 692224 695296 722176 730112 745472 753664 754078 769792 794624 812084 825344 843479 851968 870688 888832 899093 917504 918008 928096 963976 968254 995072 999488 1015808 1016366 1038128 1049152 1071616 1094548 1106576 1129856 1142272 1173536 1186432 1211392 1224704 1250912 1277696 1291264 1318912 1341184 1347136 1384448 1390592 1444352 1460224 1490944 1507328 1508156 1539584 1589248 1624168 1650688 1686958 1703936 1741376 1777664 1798186 1835008 1836016 1856192 1927952 1936508 1990144 1998976 2031616 2032732 2076256 2098304 2143232 2189096 2213152 2259712 2284544 2347072 2372864 2422784 2449408 2501824 2555392 2582528 2637824 2639273 2682368 2694272 2768896 2781184 2888704 2920448 2981888 3014656 3016312 3079168 3178496 3248336 3301376 3373916 3407872 3482752 3555328 3557281 3596372 3672032 3712384 3855904 3873016 3980288 3997952 4063232 4065464 4152512 4196608 4286464 4378192 4426304 4519424 4569088 4694144 4745728 4845568 4898816 5003648 5110784 5165056 5275648 5278546 5364736 5388544 5537792 5562368 5777408 5840896 5963776 6029312 6032624 6158336 6293651 6356992 6496672 6602752 6747832 6965504 7110656 7114562 7192744 7344064 7424768 7711808 7746032 7960576 7995904 8126464 8130928 8305024 8393216 8572928 8756384 8852608 9038848 9138176 9388288 9491456 9691136 9797632 10007296 10221568 10330112 10551296 10557092 10729472 10777088 11075584 11124736 11554816 11681792 11688209 11927552 12065248 12316672 12587302 12713984 12993344 13205504 13495664 13931008 14221312 14229124 14385488 14688128 14849536 15423616 15492064 15921152 15991808 16261856 16610048 16786432 17145856 17512768 17705216 18077696 18276352 18776576 18982912 19382272 19595264 20014592 20443136 20660224 21102592 21114184 21458944 21554176 22151168 22249472 23109632 23363584 23376418 23855104 24130496 24633344 25174604 25427968 25986688 26411008 26991328 27862016 28442624 28458248 28770976 29376256 29699072 30847232 30984128 31842304 31983616 32523712 33220096 33572864 34291712 35025536 35410432 36155392 36552704 37553152 37965824 38764544 39190528 40029184 40886272 41320448 42205184 42228368 42917888 43108352 44302336 44498944 46219264 46727168 46752836 48260992 49266688 50349208 51973376 52822016 53982656 55724032 56885248 56916496 57541952 58752512 59398144 61694464 61968256 63684608 63967232 65047424 66440192 67145728 68583424 70051072 70820864 72310784 73105408 75106304 75931648 77529088 78381056 80058368 81772544 81817463 82640896 84456736 85835776 86216704 88997888 92438528 93454336 93505672 96521984 98533376 100698416 103946752 105644032 107965312 111448064 113832992 115083904 117505024 118796288 123388928 123936512 127369216 127934464 130094848 132880384 134291456 137166848 140102144 141641728 144621568 146210816 150212608 151863296 155058176 160116736 163545088 163634926 165281792 168913472 171671552 172433408 177995776 184877056 186908672 187011344 193043968 197066752 201396832 207893504 215930624 222896128 227665984 230167808 235010048 237592576 246777856 247873024 254738432 255868928 260189696 265760768 268582912 274333696 280204288 283283456 289243136 292421632 300425216 303726592 310116352 320233472 327090176 327269852 330563584 337826944 343343104 344866816 369754112 374022688 386087936 394133504 402793664 415787008 431861248 445792256 455331968 460335616 470020096 475185152 493555712 495746048 509476864 511737856 520379392 531521536 537165824 548667392 560408576 566566912 578486272 584843264 600850432 607453184 640466944 654180352 654539704 675653888 686686208 689733632 739508224 748045376 772175872 788267008 805587328 831574016 863722496 891584512 910663936 920671232 940040192 950370304 987111424 991492096 1018953728 1023475712 1040758784 1063043072 1074331648 1120817152 1133133824 1156972544 1201700864 1214906368 1280933888 1308360704 1309079408 1351307776 1373372416 1379467264 1496090752 1544351744 1611174656 1663148032 1727444992 1783169024 1821327872 1841342464 1880080384 1900740608 1974222848 1982984192 2046951424 2081517568 2126086144 2148663296 2241634304 2266267648 2313945088 2403401728 2429812736 2561867776 2618158816 2702615552 2758934528 2992181504 3088703488 3222349312 3326296064 3454889984 3566338048 3642655744 3682684928 3760160768 3801481216 3948445696 3965968384 4093902848 4163035136 4252172288 4297326592 4483268608 4532535296 4806803456 5123735552 5236317632 5405231104 5517869056 5984363008 6177406976 6444698624 6652592128 6909779968 7132676096 7285311488 7365369856 7520321536 7602962432 7896891392 7931936768 8326070272 8504344576 8966537216 9065070592 9613606912 10247471104 10472635264 10810462208 11968726016 12354813952 12889397248 13305184256 13819559936 14570622976 14730739712 15040643072 15793782784 15863873536 16652140544 17008689152 17933074432 18130141184 20945270528 21620924416 23937452032 24709627904 25778794496 26610368512 27639119872 29141245952 29461479424 30081286144 31587565568 31727747072 33304281088 35866148864 41890541056 43241848832 47874904064 49419255808 51557588992 53220737024 55278239744 58282491904 58922958848 63455494144 66608562176 71732297728 83781082112 86483697664 95749808128 98838511616 103115177984 110556479488 116564983808 117845917696 126910988288 133217124352 167562164224 172967395328 191499616256 206230355968 221112958976 233129967616 235691835392 335124328448 345934790656 382999232512 412460711936 466259935232 670248656896 691869581312 765998465024 824921423872 932519870464 1340497313792 1531996930048 1649842847744 2680994627584 3063993860096 5361989255168 10723978510336 21447957020672
• Sum of all divisors σ(n): 57769347428352
• Sum of proper divisors (its aliquot sum) s(n): 36321390407680
• 21447957020672 is an abundant number, because the sum of its proper divisors (36321390407680) is greater than itself. Its abundance is 14873433387008

Bases of 21447957020672

• Binary: 100111000000110111101110111000000000000000000₂
• Hexadecimal: 0x1381BDDC0000
• Base-36: 7LP1ZU8ZK

Squares and roots of 21447957020672

• 21447957020672 squared (21447957020672²) is 460014860360593334635331584
• 21447957020672 cubed (21447957020672³) is 9866378953884437529119387907955462504448
• The square root of 21447957020672 is 4631193.9087747125
• The cube root of 21447957020672 is 27784.0345420475

Scales and comparisons

• 21,447,957,020,672 seconds is equal to 681,978 years, 35 weeks, 6 days, 7 hours, 4 minutes, 32 seconds.
• To count from 1 to 21,447,957,020,672 would take you about one million, seven hundred four thousand, nine hundred forty-six 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 21447957020672 cubic inches would be around 2315.3 feet tall.

Recreational maths with 21447957020672

• 21447957020672 backwards is 27602075974412
• 21447957020672 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21447957020672's digits is 56
• More coming soon!