21681488640000
21,681,488,640,000 is an even composite number composed of six prime numbers multiplied together.
21681488640000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one thousand, four hundred forty divisors.
Prime factorization of 21681488640000:
211 × 3 × 54 × 72 × 61 × 1889
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 7 × 7 × 61 × 1889)See below for interesting mathematical facts about the number 21681488640000 from the Numbermatics database.
Names of 21681488640000
- Cardinal: 21681488640000 can be written as Twenty-one trillion, six hundred eighty-one billion, four hundred eighty-eight million, six hundred forty thousand.
Scientific notation
- Scientific notation: 2.168148864 × 1013
Factors of 21681488640000
Divisors of 21681488640000
- Number of divisors d(n): 1440
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 49 50 56 60 61 64 70 75 80 84 96 98 100 105 112 120 122 125 128 140 147 150 160 168 175 183 192 196 200 210 224 240 244 245 250 256 280 294 300 305 320 336 350 366 375 384 392 400 420 427 448 480 488 490 500 512 525 560 588 600 610 625 640 672 700 732 735 750 768 784 800 840 854 875 896 915 960 976 980 1000 1024 1050 1120 1176 1200 1220 1225 1250 1280 1281 1344 1400 1464 1470 1500 1525 1536 1568 1600 1680 1708 1750 1792 1830 1875 1889 1920 1952 1960 2000 2048 2100 2135 2240 2352 2400 2440 2450 2500 2560 2562 2625 2688 2800 2928 2940 2989 3000 3050 3072 3136 3200 3360 3416 3500 3584 3660 3675 3750 3778 3840 3904 3920 4000 4200 4270 4375 4480 4575 4704 4800 4880 4900 5000 5120 5124 5250 5376 5600 5667 5856 5880 5978 6000 6100 6125 6144 6272 6400 6405 6720 6832 7000 7168 7320 7350 7500 7556 7625 7680 7808 7840 8000 8400 8540 8750 8960 8967 9150 9408 9445 9600 9760 9800 10000 10240 10248 10500 10675 10752 11200 11334 11712 11760 11956 12000 12200 12250 12544 12800 12810 13125 13223 13440 13664 14000 14336 14640 14700 14945 15000 15112 15250 15360 15616 15680 16000 16800 17080 17500 17920 17934 18300 18375 18816 18890 19200 19520 19600 20000 20496 21000 21350 21504 22400 22668 22875 23424 23520 23912 24000 24400 24500 25088 25600 25620 26250 26446 26880 27328 28000 28335 29280 29400 29890 30000 30224 30500 30625 30720 31232 31360 32000 32025 33600 34160 35000 35840 35868 36600 36750 37632 37780 38125 38400 39040 39200 39669 40000 40992 42000 42700 43008 44800 44835 45336 45750 46848 47040 47225 47824 48000 48800 49000 50176 51200 51240 52500 52892 53375 53760 54656 56000 56670 58560 58800 59780 60000 60448 61000 61250 62464 62720 64000 64050 66115 67200 68320 70000 71680 71736 73200 73500 74725 75264 75560 76250 76800 78080 78400 79338 80000 81984 84000 85400 89600 89670 90672 91500 91875 92561 93696 94080 94450 95648 96000 97600 98000 100352 102480 105000 105784 106750 107520 109312 112000 113340 114375 115229 117120 117600 119560 120000 120896 122000 122500 124928 125440 128000 128100 132230 134400 136640 140000 141675 143472 146400 147000 149450 150528 151120 152500 153600 156160 156800 158676 160000 160125 163968 168000 170800 179200 179340 181344 183000 183750 185122 187392 188160 188900 191296 192000 195200 196000 198345 204960 210000 211568 213500 215040 218624 224000 224175 226680 228750 230458 234240 235200 236125 239120 240000 241792 244000 245000 250880 256000 256200 264460 266875 268800 273280 277683 280000 283350 286944 292800 294000 298900 301056 302240 305000 312320 313600 317352 320000 320250 327936 330575 336000 341600 345687 358400 358680 362688 366000 367500 370244 373625 374784 376320 377800 382592 384000 390400 392000 396690 409920 420000 423136 427000 437248 448000 448350 453360 457500 460916 462805 468480 470400 472250 478240 480000 483584 488000 490000 501760 512400 528920 533750 537600 546560 555366 560000 566700 573888 576145 585600 588000 597800 604480 610000 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423466575 432108750 442479360 444292800 451697680 453360000 459110400 460916000 462805000 473912320 478240000 483584000 483961800 504126875 507763200 516225920 528920000 542037216 546560000 553099200 555366000 564622100 568694784 573888000 576145000 589972480 592390400 604480000 604952250 619471104 634704000 645282400 677017600 677546520 691374000 694207500 705777625 707966976 710868480 717360000 722716288 725376000 737465600 740488000 765184000 774338880 793380000 806603000 819840000 825961472 846272000 846933150 864217500 884958720 888585600 903395360 906720000 921832000 925610000 947824640 956480000 967923600 1008253750 1015526400 1032451840 1057840000 1084074432 1106198400 1110732000 1129244200 1147776000 1152290000 1179944960 1184780800 1208960000 1209904500 1238942208 1269408000 1290564800 1355093040 1382748000 1388415000 1411555250 1421736960 1434720000 1445432576 1450752000 1474931200 1480976000 1512380625 1548677760 1586760000 1613206000 1639680000 1651922944 1692544000 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8672595456 8849587200 8885856000 9033953600 9218320000 9679236000 10155264000 10324518400 10586664375 10840744320 11061984000 11107320000 11292442000 11477760000 11563460608 11847808000 12099045000 12389422080 12694080000 12905648000 13550930400 13827480000 14115552500 14217369600 14454325760 14749312000 14809760000 15486777600 16132060000 16925440000 16938663000 17345190912 17699174400 17771712000 18067907200 18436640000 19358472000 20649036800 21173328750 21681488640 22123968000 22214640000 22584884000 23695616000 24198090000 24778844160 25388160000 25811296000 27101860800 27654960000 28231105000 28908651520 29498624000 29619520000 30973555200 32264120000 33877326000 34690381824 35543424000 36135814400 36873280000 38716944000 41298073600 42346657500 43362977280 44247936000 44429280000 45169768000 48396180000 50776320000 51622592000 54203721600 55309920000 56462210000 57817303040 59239040000 61947110400 64528240000 67754652000 71086848000 72271628800 73746560000 77433888000 84693315000 86725954560 88495872000 88858560000 90339536000 96792360000 103245184000 108407443200 110619840000 112924420000 118478080000 123894220800 129056480000 135509304000 144543257600 147493120000 154867776000 169386630000 173451909120 177717120000 180679072000 193584720000 206490368000 216814886400 221239680000 225848840000 258112960000 271018608000 289086515200 309735552000 338773260000 355434240000 361358144000 387169440000 433629772800 442479360000 451697680000 516225920000 542037216000 619471104000 677546520000 722716288000 774338880000 867259545600 903395360000 1032451840000 1084074432000 1355093040000 1445432576000 1548677760000 1806790720000 2168148864000 2710186080000 3097355520000 3613581440000 4336297728000 5420372160000 7227162880000 10840744320000 21681488640000
- Sum of all divisors σ(n): 85446303742800
- Sum of proper divisors (its aliquot sum) s(n): 63764815102800
- 21681488640000 is an abundant number, because the sum of its proper divisors (63764815102800) is greater than itself. Its abundance is 42083326462800
Bases of 21681488640000
- Binary: 1001110111000000111010110110110111000000000002
- Hexadecimal: 0x13B81D6DB800
- Base-36: 7OOC6JBPC
Squares and roots of 21681488640000
- 21681488640000 squared (216814886400002) is 470086949646449049600000000
- 21681488640000 cubed (216814886400003) is 10192184858571737085241196544000000000000
-
The
square root of 21681488640000 is 4656338.5443930083 -
The
cube root of 21681488640000 is 27884.5109746179
Scales and comparisons
How big is 21681488640000?- 21,681,488,640,000 seconds is equal to 689,404 years, 14 weeks, 1 day, 13 hours, 20 minutes.
-
To count from 1 to 21,681,488,640,000 would take you about one million, seven hundred twenty-three thousand, five hundred ten 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 21681488640000 cubic inches would be around 2323.7 feet tall.
Recreational maths with 21681488640000
- 21681488640000 backwards is 00004688418612
- 21681488640000 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21681488640000's digits is 48
- More coming soon!
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The information we have on file for 21681488640000 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!
Keywords: Divisors of 21681488640000, math, Factors of 21681488640000, curriculum, school, college, exams, university, Prime factorization of 21681488640000, STEM, science, technology, engineering, physics, economics, calculator, twenty-one trillion, six hundred eighty-one billion, four hundred eighty-eight million, six hundred forty thousand.