20921074921980

Names of 20921074921980

• Cardinal: 20921074921980 can be written as Twenty trillion, nine hundred twenty-one billion, seventy-four million, nine hundred twenty-one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.092107492198 × 10¹³

Factors of 20921074921980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 89

Divisors of 20921074921980

• Number of divisors d(n): 900
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 27 29 30 31 36 38 45 54 57 58 60 62 76 81 87 90 93 95 108 114 116 124 135 145 155 162 171 174 180 186 190 228 261 270 279 285 290 310 324 342 348 372 380 405 435 465 513 522 540 551 558 570 580 589 620 684 783 810 837 841 855 870 899 930 961 1026 1044 1102 1116 1140 1178 1305 1395 1539 1566 1620 1653 1674 1682 1710 1740 1767 1798 1860 1922 2052 2204 2349 2356 2511 2523 2565 2610 2697 2755 2790 2883 2945 3078 3132 3306 3348 3364 3420 3534 3596 3844 3915 4185 4205 4495 4698 4805 4959 5022 5046 5130 5220 5301 5394 5510 5580 5766 5890 6156 6612 7068 7569 7695 7830 8091 8265 8370 8410 8649 8835 8990 9396 9610 9918 10044 10092 10260 10602 10788 11020 11532 11745 11780 12555 12615 13485 14415 14877 15138 15390 15660 15903 15979 16182 16530 16740 16820 17081 17298 17670 17980 18259 19220 19836 21204 22707 23490 24273 24389 24795 25110 25230 25947 26071 26505 26970 27869 28830 29754 30276 30780 31806 31958 32364 33060 34162 34596 35340 36518 37845 40455 43245 44631 45414 46980 47709 47937 48546 48778 49590 50220 50460 51243 51894 52142 53010 53940 54777 55738 57660 59508 63612 63916 68121 68324 72819 73036 73167 74385 75690 77841 78213 79515 79895 80910 83607 85405 86490 89262 90828 91295 95418 95874 97092 97556 99180 102486 103788 104284 106020 109554 111476 113535 121365 121945 129735 130355 136242 139345 143811 145638 146334 148770 151380 153729 155682 156426 159030 159790 161820 164331 167214 170810 172980 178524 182590 190836 191748 204972 219108 219501 223155 227070 234639 238545 239685 242730 243890 250821 256215 259470 260710 272484 273885 278690 287622 291276 292668 297540 307458 311364 312852 318060 319580 328662 334428 340605 341620 364095 365180 365835 389205 391065 418035 431433 439002 446310 454140 461187 463391 469278 477090 479370 485460 487780 492993 495349 501642 512430 518940 521420 529511 547770 557380 575244 614916 657324 658503 681210 703917 707281 719055 728190 731670 752463 756059 768645 778410 782130 808201 821655 836070 862866 878004 892620 922374 926782 938556 954180 958740 985986 990698 1003284 1024860 1059022 1095540 1097505 1173195 1254105 1294299 1317006 1362420 1383561 1390173 1407834 1414562 1438110 1456380 1463340 1478979 1486047 1504926 1512118 1537290 1556820 1564260 1588533 1616402 1643310 1672140 1725732 1844748 1853564 1971972 1975509 1981396 2111751 2118044 2121843 2157165 2195010 2257389 2268177 2305935 2316955 2346390 2424603 2464965 2476745 2508210 2588598 2634012 2647555 2767122 2780346 2815668 2829124 2876220 2957958 2972094 3009852 3024236 3074580 3177066 3232804 3286620 3292515 3519585 3536405 3762315 3780295 3951018 4041005 4170519 4223502 4243686 4314330 4390020 4458141 4514778 4536354 4611870 4633910 4692780 4765599 4849206 4929930 4953490 5016420 5177196 5295110 5534244 5560692 5915916 5944188 6354132 6365529 6471495 6585030 6804531 6917805 6950865 7039170 7072810 7273809 7394895 7430235 7524630 7560590 7902036 7942665 8082010 8341038 8447004 8487372 8628660 8916282 9029556 9072708 9223740 9267820 9531198 9698412 9859860 9877545 9906980 10558755 10590220 10609215 11286945 11340885 12123015 12511557 12731058 12942990 13170060 13374423 13438339 13609062 13835610 13901730 14078340 14145620 14296797 14365121 14547618 14789790 14860470 15049260 15121180 15355819 15885330 16164020 16682076 17832564 19062396 19096587 19755090 20413593 20852595 21117510 21218430 21821427 21925711 22290705 22573890 22681770 23437829 23827995 24246030 25023114 25462116 25885980 26748846 26876678 27218124 27671220 27803460 28593594 28730242 29095236 29579580 29720940 30711638 31770660 31827645 34022655 36369045 37534671 38193174 39510180 40123269 40315017 40827186 41705190 42235020 42436860 42890391 43095363 43642854 43851422 44581410 45147780 45363540 46067457 46875658 47655990 48492060 50046228 53497692 53753356 57187188 57289761 57460484 61240779 61423276 62557785 63655290 65464281 65777133 66872115 67191695 68045310 70313487 71483985 71825605 72738090 75069342 76386348 76779095 80246538 80630034 81654372 83410380 85780782 86190726 87285708 87702844 89162820 92134914 93751316 95311980 95482935 102067965 109107135 109628555 114579522 117189145 120945051 122481558 125115570 127310580 129286089 130928562 131554266 133744230 134383390 136090620 138202371 140626974 142967970 143651210 145476180 150138684 153558190 160493076 161260068 171561564 172381452 184269828 187673355 190965870 197331399 200616345 201575085 204135930 210940461 214451955 215476815 218214270 219257110 229159044 230337285 234378290 241890102 244963116 250231140 258572178 261857124 263108532 267488460 268766780 276404742 281253948 285935940 286448805 287302420 306203895 307116380 327321405 328885665 351567435 362835153 375346710 381931740 387858267 394662798 401232690 403150170 408271860 414607113 416588509 421880922 428903910 430953630 436428540 438514220 445318751 460674570 468756580 483780204 517144356 552809484 572897610 591994197 604725255 612407790 632821383 646430445 654642810 657771330 679697041 691011855 703134870 725670306 750693420 775716534 789325596 802465380 806300340 829214226 833177018 843761844 857807820 861907260 890637502 921349140 986656995 1054702305 1088505459 1145795220 1163574801 1183988394 1209450510 1224815580 1243821339 1249765527 1265642766 1292860890 1309285620 1315542660 1335956253 1359394082 1382023710 1406269740 1451340612 1551433068 1658428452 1666354036 1775982591 1781275004 1814175765 1898464149 1939291335 1973313990 2039091123 2073035565 2082942545 2109404610 2177010918 2226593755 2327149602 2367976788 2418901020 2487642678 2499531054 2531285532 2585721780 2671912506 2718788164 2764047420 2959970985 3164106915 3398485205 3551965182 3628351530 3749296581 3796928298 3878582670 3946627980 4007868759 4078182246 4146071130 4165885090 4218809220 4354021836 4453187510 4654299204 4975285356 4999062108 5343825012 5442527295 5817874005 5919941970 6117273369 6219106695 6248827635 6328213830 6679781265 6796970410 7103930364 7256703060 7498593162 7593856596 7757165340 8015737518 8156364492 8292142260 8331770180 8879912955 8906375020 9492320745 10195455615 10885054590 11247889743 11635748010 11839883940 12023606277 12234546738 12438213390 12497655270 12656427660 12914243779 13359562530 13593940820 14997186324 16031475036 17759825910 18351820107 18746482905 18984641490 20039343795 20390911230 21770109180 22495779486 23271496020 24047212554 24469093476 24876426780 24995310540 25828487558 26719125060 30586366845 33743669229 35519651820 36070818831 36703640214 37492965810 37969282980 38742731337 40078687590 40781822460 44991558972 48094425108 51656975116 55055460321 56239448715 60118031385 61172733690 64571218895 67487338458 72141637662 73407280428 74985931620 77485462674 80157375180 91759100535 110110920642 112478897430 116228194011 120236062770 122345467380 129142437790 134974676916 144283275324 154970925348 168718346145 180354094155 183518201070 193713656685 220221841284 224957794860 232456388022 240472125540 258284875580 275277301605 337436692290 348684582033 360708188310 367036402140 387427313370 464912776044 550554603210 581140970055 674873384580 697369164066 721416376620 774854626740 1046053746099 1101109206420 1162281940110 1394738328132 1743422910165 2092107492198 2324563880220 3486845820330 4184214984396 5230268730495 6973691640660 10460537460990 20921074921980
• Sum of all divisors σ(n): 73934278969320
• Sum of proper divisors (its aliquot sum) s(n): 53013204047340
• 20921074921980 is an abundant number, because the sum of its proper divisors (53013204047340) is greater than itself. Its abundance is 32092129125360

Bases of 20921074921980

• Binary: 100110000011100010001001111010011000111111100₂
• Hexadecimal: 0x1307113D31FC
• Base-36: 7EZ0BUBR0

Squares and roots of 20921074921980

• 20921074921980 squared (20921074921980²) is 437691375891100463087120400
• 20921074921980 cubed (20921074921980³) is 9156974067722223473756719292372866392000
• The square root of 20921074921980 is 4573956.1565432609
• The cube root of 20921074921980 is 27554.6351499399

Scales and comparisons

• 20,921,074,921,980 seconds is equal to 665,225 years, 24 weeks, 2 days, 20 hours, 33 minutes.
• To count from 1 to 20,921,074,921,980 would take you about one million, six hundred sixty-three thousand and sixty-three 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 20921074921980 cubic inches would be around 2296.2 feet tall.

Recreational maths with 20921074921980

• 20921074921980 backwards is 08912947012902
• 20921074921980 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20921074921980's digits is 54
• More coming soon!