21161818321920
21,161,818,321,920 is an even composite number composed of five prime numbers multiplied together.
21161818321920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eight hundred eighty divisors.
Prime factorization of 21161818321920:
210 × 34 × 5 × 19 × 1393
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 19 × 139 × 139 × 139)See below for interesting mathematical facts about the number 21161818321920 from the Numbermatics database.
Names of 21161818321920
- Cardinal: 21161818321920 can be written as Twenty-one trillion, one hundred sixty-one billion, eight hundred eighteen million, three hundred twenty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.116181832192 × 1013
Factors of 21161818321920
Divisors of 21161818321920
- Number of divisors d(n): 880
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 38 40 45 48 54 57 60 64 72 76 80 81 90 95 96 108 114 120 128 135 139 144 152 160 162 171 180 190 192 216 228 240 256 270 278 285 288 304 320 324 342 360 380 384 405 417 432 456 480 512 513 540 556 570 576 608 640 648 684 695 720 760 768 810 834 855 864 912 960 1024 1026 1080 1112 1140 1152 1216 1251 1280 1296 1368 1390 1440 1520 1536 1539 1620 1668 1710 1728 1824 1920 2052 2085 2160 2224 2280 2304 2432 2502 2560 2565 2592 2641 2736 2780 2880 3040 3072 3078 3240 3336 3420 3456 3648 3753 3840 4104 4170 4320 4448 4560 4608 4864 5004 5120 5130 5184 5282 5472 5560 5760 6080 6156 6255 6480 6672 6840 6912 7296 7506 7680 7695 7923 8208 8340 8640 8896 9120 9216 9728 10008 10260 10368 10564 10944 11120 11259 11520 12160 12312 12510 12960 13205 13344 13680 13824 14592 15012 15360 15390 15846 16416 16680 17280 17792 18240 18765 19321 19456 20016 20520 20736 21128 21888 22240 22518 23040 23769 24320 24624 25020 25920 26410 26688 27360 27648 29184 30024 30780 31692 32832 33360 34560 35584 36480 37530 38642 39615 40032 41040 41472 42256 43776 44480 45036 46080 47538 48640 49248 50040 51840 52820 53376 54720 56295 57963 58368 60048 61560 63384 65664 66720 69120 71168 71307 72960 75060 77284 79230 80064 82080 82944 84512 87552 88960 90072 95076 96605 97280 98496 100080 103680 105640 106752 109440 112590 115926 118845 120096 123120 126768 131328 133440 138240 142336 142614 145920 150120 154568 158460 160128 164160 169024 173889 175104 177920 180144 190152 193210 196992 200160 207360 211280 213504 213921 218880 225180 231852 237690 240192 246240 253536 262656 266880 285228 289815 291840 300240 309136 316920 320256 328320 338048 347778 355840 356535 360288 367099 380304 386420 393984 400320 414720 422560 427008 427842 437760 450360 463704 475380 480384 492480 507072 521667 525312 533760 570456 579630 600480 618272 633840 640512 656640 676096 695556 711680 713070 720576 734198 760608 772840 787968 800640 845120 855684 869445 875520 900720 927408 950760 960768 984960 1014144 1043334 1067520 1069605 1101297 1140912 1159260 1200960 1236544 1267680 1281024 1313280 1352192 1391112 1426140 1441152 1468396 1521216 1545680 1565001 1575936 1601280 1690240 1711368 1738890 1801440 1835495 1854816 1901520 1921536 1969920 2028288 2086668 2135040 2139210 2202594 2281824 2318520 2401920 2473088 2535360 2608335 2626560 2685619 2704384 2782224 2852280 2882304 2936792 3042432 3091360 3130002 3202560 3303891 3380480 3422736 3477780 3602880 3670990 3709632 3803040 3843072 3939840 4056576 4173336 4278420 4405188 4563648 4637040 4803840 4946176 5070720 5216670 5371238 5506485 5564448 5704560 5764608 5873584 6084864 6182720 6260004 6405120 6607782 6760960 6845472 6955560 7205760 7341980 7419264 7606080 7825005 7879680 8056857 8113152 8346672 8556840 8810376 9127296 9274080 9607680 9892352 9911673 10141440 10433340 10742476 11012970 11128896 11409120 11529216 11747168 12169728 12365440 12520008 13215564 13428095 13521920 13690944 13911120 14411520 14683960 14838528 15212160 15650010 16113714 16519455 16693344 17113680 17620752 18254592 18548160 19215360 19784704 19823346 20282880 20866680 21484952 22025940 22257792 22818240 23494336 24170571 24339456 24730880 25040016 26431128 26856190 27381888 27822240 28823040 29367920 29677056 29735019 30424320 31300020 32227428 33038910 33386688 34227360 35241504 36509184 37096320 39646692 40284285 40565760 41733360 42969904 44051880 44515584 45636480 46988672 48341142 49461760 49558365 50080032 51026761 52862256 53712380 54763776 55644480 57646080 58735840 59354112 59470038 60848640 62600040 64454856 66077820 66773376 68454720 70483008 72511713 73018368 74192640 79293384 80568570 83466720 85939808 88103760 89031168 91272960 93977344 96682284 98923520 99116730 100160064 102053522 105724512 107424760 109527552 111288960 117471680 118940076 120852855 121697280 125200080 128909712 132155640 133546752 136909440 140966016 145023426 148385280 148675095 153080283 158586768 161137140 166933440 171879616 176207520 178062336 182545920 187954688 193364568 198233460 200320128 204107044 211449024 214849520 217535139 219055104 222577920 234943360 237880152 241705710 250400160 255133805 257819424 264311280 267093504 273818880 281932032 290046852 296770560 297350190 306160566 317173536 322274280 333866880 343759232 352415040 362558565 365091840 375909376 386729136 396466920 400640256 408214088 422898048 429699040 435070278 445155840 459240849 469886720 475760304 483411420 500800320 510267610 515638848 528622560 534187008 547637760 563864064 580093704 594700380 612321132 634347072 644548560 667733760 687518464 704830080 725117130 765401415 773458272 792933840 801280512 816428176 845796096 859398080 870140556 890311680 918481698 939773440 951520608 966822840 1001600640 1020535220 1031277696 1057245120 1087675695 1095275520 1127728128 1160187408 1189400760 1224642264 1268694144 1289097120 1335467520 1375036928 1377722547 1409660160 1450234260 1530802830 1546916544 1585867680 1602561024 1632856352 1691592192 1718796160 1740281112 1836963396 1879546880 1903041216 1933645680 2003201280 2041070440 2062555392 2114490240 2175351390 2296204245 2320374816 2378801520 2449284528 2537388288 2578194240 2670935040 2750073856 2755445094 2819320320 2900468520 3061605660 3093833088 3171735360 3265712704 3383184384 3437592320 3480562224 3673926792 3806082432 3867291360 4006402560 4082140880 4125110784 4133167641 4228980480 4350702780 4592408490 4640749632 4757603040 4898569056 5074776576 5156388480 5510890188 5638640640 5800937040 6123211320 6187666176 6343470720 6531425408 6875184640 6888612735 6961124448 7347853584 7612164864 7734582720 8012805120 8164281760 8250221568 8266335282 8457960960 8701405560 9184816980 9281499264 9515206080 9797138112 10149553152 10312776960 11021780376 11601874080 12246422640 12375332352 12686941440 13062850816 13750369280 13777225470 13922248896 14695707168 15224329728 15469165440 16328563520 16532670564 16915921920 17402811120 18369633960 18562998528 19030412160 19594276224 20625553920 20665838205 22043560752 23203748160 24492845280 24750664704 25373882880 26125701632 27554450940 27844497792 29391414336 30448659456 30938330880 32657127040 33065341128 34805622240 36739267920 37125997056 38060824320 39188552448 41251107840 41331676410 44087121504 46407496320 48985690560 50747765760 52251403264 55108901880 55688995584 58782828672 61876661760 65314254080 66130682256 69611244480 73478535840 74251994112 76121648640 78377104896 82663352820 88174243008 92814992640 97971381120 110217803760 111377991168 117565657344 123753323520 130628508160 132261364512 139222488960 146957071680 152243297280 156754209792 165326705640 176348486016 185629985280 195942762240 220435607520 222755982336 235131314688 261257016320 264522729024 278444977920 293914143360 330653411280 352696972032 371259970560 391885524480 440871215040 470262629376 529045458048 556889955840 587828286720 661306822560 705393944064 783771048960 881742430080 1058090916096 1113779911680 1175656573440 1322613645120 1410787888128 1763484860160 2116181832192 2351313146880 2645227290240 3526969720320 4232363664384 5290454580480 7053939440640 10580909160960 21161818321920
- Sum of all divisors σ(n): 80401577995200
- Sum of proper divisors (its aliquot sum) s(n): 59239759673280
- 21161818321920 is an abundant number, because the sum of its proper divisors (59239759673280) is greater than itself. Its abundance is 38077941351360
Bases of 21161818321920
- Binary: 1001100111111000111101010100111110100000000002
- Hexadecimal: 0x133F1EA9F400
- Base-36: 7I1LS8W00
Squares and roots of 21161818321920
- 21161818321920 squared (211618183219202) is 447822554689949004752486400
- 21161818321920 cubed (211618183219203) is 9476739542806784073641635854195621888000
-
The
square root of 21161818321920 is 4600197.6394411577 -
The
cube root of 21161818321920 is 27659.9247244105
Scales and comparisons
How big is 21161818321920?- 21,161,818,321,920 seconds is equal to 672,880 years, 18 weeks, 6 days, 19 hours, 12 minutes.
-
To count from 1 to 21,161,818,321,920 would take you about one million, six hundred eighty-two thousand, two hundred 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 21161818321920 cubic inches would be around 2305 feet tall.
Recreational maths with 21161818321920
- 21161818321920 backwards is 02912381816112
- 21161818321920 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21161818321920's digits is 45
- More coming soon!
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The information we have on file for 21161818321920 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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