21129238881000

Names of 21129238881000

• Cardinal: 21129238881000 can be written as Twenty-one trillion, one hundred twenty-nine billion, two hundred thirty-eight million, eight hundred eighty-one thousand.

Scientific notation

• Scientific notation: 2.1129238881 × 10¹³

Factors of 21129238881000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 562

Divisors of 21129238881000

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 31 36 40 45 50 54 60 62 72 75 81 90 93 100 108 120 124 125 135 150 155 162 180 186 200 216 225 248 250 270 279 300 310 324 360 372 375 405 450 465 500 521 540 558 600 620 648 675 744 750 775 810 837 900 930 961 1000 1042 1080 1116 1125 1240 1350 1395 1500 1550 1563 1620 1674 1800 1860 1922 2025 2084 2232 2250 2325 2511 2605 2700 2790 2883 3000 3100 3126 3240 3348 3375 3720 3844 3875 4050 4168 4185 4500 4650 4689 4805 5022 5210 5400 5580 5766 6200 6252 6696 6750 6975 7688 7750 7815 8100 8370 8649 9000 9300 9378 9610 10044 10125 10420 11160 11532 11625 12504 12555 13025 13500 13950 14067 14415 15500 15630 16151 16200 16740 17298 18600 18756 19220 20088 20250 20840 20925 23064 23250 23445 24025 25110 25947 26050 27000 27900 28134 28830 31000 31260 32302 33480 34596 34875 37512 38440 39075 40500 41850 42201 43245 46500 46890 48050 48453 50220 51894 52100 55800 56268 57660 62520 62775 64604 65125 69192 69750 70335 72075 77841 78150 80755 81000 83700 84402 86490 93000 93780 96100 96906 100440 103788 104200 104625 112536 115320 117225 120125 125550 129208 129735 130250 139500 140670 144150 145359 155682 156300 161510 167400 168804 172980 187560 192200 193812 195375 207576 209250 211005 216225 234450 240250 242265 251100 259470 260500 271441 279000 281340 288300 290718 311364 312600 313875 323020 337608 345960 351675 360375 387624 389205 390750 403775 418500 422010 432450 436077 468900 480500 484530 500681 502200 518940 521000 542882 562680 576600 581436 586125 622728 627750 646040 648675 703350 720750 726795 778410 781500 807550 814323 837000 844020 864900 872154 937800 961000 969060 1001362 1037880 1055025 1081125 1085764 1162872 1172250 1211325 1255500 1297350 1308231 1357205 1406700 1441500 1453590 1502043 1556820 1563000 1615100 1628646 1688040 1729800 1744308 1758375 1938120 1946025 2002724 2018875 2110050 2162250 2171528 2180385 2344500 2422650 2442969 2503405 2511000 2594700 2616462 2714410 2813400 2883000 2907180 3004086 3113640 3230200 3243375 3257292 3488616 3516750 3633975 3892050 4005448 4037750 4071615 4220100 4324500 4360770 4506129 4689000 4845300 4885938 5006810 5189400 5232924 5275125 5428820 5814360 6008172 6056625 6486750 6514584 6541155 6786025 7033500 7267950 7328907 7510215 7784100 8075500 8143230 8414671 8440200 8649000 8721540 9012258 9690600 9730125 9771876 10013620 10465848 10550250 10857640 10901925 12016344 12113250 12214845 12517025 12973500 13082310 13518387 13572050 14067000 14535900 14657814 15020430 15568200 16151000 16286460 16829342 17443080 18024516 18169875 19460250 19543752 20027240 20358075 21100500 21803850 21986721 22530645 24226500 24429690 25034050 25244013 25947000 26164620 27036774 27144100 29071800 29315628 30040860 32572920 32705775 33658684 33930125 36049032 36339750 36644535 37551075 38920500 40555161 40716150 42073355 42201000 43607700 43973442 45061290 48453000 48859380 50068100 50488026 52329240 54073548 54288200 54509625 58631256 60081720 61074225 62585125 65411550 67317368 67591935 67860250 72679500 73289070 75102150 75732039 77841000 81110322 81432300 84146710 87215400 87946884 90122580 97718760 100136200 100976052 101790375 108147096 109019250 109933605 112653225 122148450 125170250 126220065 130823100 135183870 135720500 145359000 146578140 150204300 151464078 162220644 162864600 163528875 168293420 175893768 180245160 183222675 187755375 201952104 202775805 203580750 210366775 218038500 219867210 225306450 227196117 244296900 250340500 252440130 260854801 261646200 270367740 271441000 293156280 300408600 302928156 305371125 324441288 327057750 336586840 337959675 366445350 375510750 378660195 405551610 407161500 420733550 436077000 439734420 450612900 454392234 488593800 500681000 504880260 521709602 540735480 549668025 563266125 605856312 610742250 631100325 654115500 675919350 681588351 732890700 751021500 757320390 782564403 811103220 814323000 841467100 879468840 901225800 908784468 916113375 1009760520 1013879025 1043419204 1051833875 1099336050 1126532250 1135980585 1221484500 1262200650 1304274005 1308231000 1351838700 1363176702 1465781400 1502043000 1514640780 1565128806 1622206440 1682934200 1689798375 1817568936 1832226750 1893300975 2027758050 2086838408 2103667750 2198672100 2253064500 2271961170 2347693209 2442969000 2524401300 2608548010 2703677400 2726353404 2748340125 3029281560 3130257612 3155501625 3379596750 3407941755 3664453500 3786601950 3912822015 4055516100 4207335500 4397344200 4506129000 4543922340 4695386418 5048802600 5069395125 5217096020 5452706808 5496680250 5679902925 6260515224 6311003250 6521370025 6759193500 6815883510 7043079627 7328907000 7573203900 7825644030 8111032200 8414671000 9087844680 9390772836 9466504875 10138790250 10434192040 10993360500 11359805850 11738466045 12622006500 13042740050 13518387000 13631767020 14086159254 15146407800 15651288060 17039708775 18781545672 18933009750 19564110075 20277580500 21129238881 21986721000 22719611700 23476932090 25244013000 26085480100 27263534040 28172318508 28399514625 31302576120 32606850125 34079417550 35215398135 37866019500 39128220150 40555161000 42258477762 45439223400 46953864180 52170960200 56344637016 56799029250 58692330225 65213700250 68158835100 70430796270 75732039000 78256440300 84516955524 85198543875 93907728360 97820550375 105646194405 113598058500 117384660450 130427400500 136317670200 140861592540 156512880600 169033911048 170397087750 176076990675 195641100750 211292388810 227196117000 234769320900 260854801000 281723185080 293461651125 340794175500 352153981350 391282201500 422584777620 469538641800 528230972025 586923302250 681588351000 704307962700 782564403000 845169555240 880384953375 1056461944050 1173846604500 1408615925400 1760769906750 2112923888100 2347693209000 2641154860125 3521539813500 4225847776200 5282309720250 7043079627000 10564619440500 21129238881000
• Sum of all divisors σ(n): 76464578593260
• Sum of proper divisors (its aliquot sum) s(n): 55335339712260
• 21129238881000 is an abundant number, because the sum of its proper divisors (55335339712260) is greater than itself. Its abundance is 34206100831260

Bases of 21129238881000

• Binary: 100110011011110001000110001110010001011101000₂
• Hexadecimal: 0x133788C722E8
• Base-36: 7HMMZAEI0

Squares and roots of 21129238881000

• 21129238881000 squared (21129238881000²) is 446444735690362132161000000
• 21129238881000 cubed (21129238881000³) is 9433037467566567939826261751841000000000
• The square root of 21129238881000 is 4596655.1840441547
• The cube root of 21129238881000 is 27645.7229245021

Scales and comparisons

• 21,129,238,881,000 seconds is equal to 671,844 years, 22 weeks, 5 days, 22 hours, 30 minutes.
• To count from 1 to 21,129,238,881,000 would take you about one million, six hundred seventy-nine thousand, six hundred eleven 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 21129238881000 cubic inches would be around 2303.8 feet tall.

Recreational maths with 21129238881000

• 21129238881000 backwards is 00018883292112
• 21129238881000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21129238881000's digits is 45
• More coming soon!