21387810818400
21,387,810,818,400 is an even composite number composed of seven prime numbers multiplied together.
21387810818400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, seven hundred twenty-eight divisors.
Prime factorization of 21387810818400:
25 × 3 × 52 × 133 × 19 × 412 × 127
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 13 × 13 × 13 × 19 × 41 × 41 × 127)See below for interesting mathematical facts about the number 21387810818400 from the Numbermatics database.
Names of 21387810818400
- Cardinal: 21387810818400 can be written as Twenty-one trillion, three hundred eighty-seven billion, eight hundred ten million, eight hundred eighteen thousand, four hundred.
Scientific notation
- Scientific notation: 2.13878108184 × 1013
Factors of 21387810818400
Divisors of 21387810818400
- Number of divisors d(n): 1728
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 25 26 30 32 38 39 40 41 48 50 52 57 60 65 75 76 78 80 82 95 96 100 104 114 120 123 127 130 150 152 156 160 164 169 190 195 200 205 208 228 240 246 247 254 260 285 300 304 312 325 328 338 380 381 390 400 410 416 456 475 480 492 494 507 508 520 533 570 600 608 615 624 635 650 656 676 741 760 762 779 780 800 820 845 912 950 975 984 988 1014 1016 1025 1040 1066 1140 1200 1230 1235 1248 1270 1300 1312 1352 1425 1482 1520 1524 1558 1560 1599 1640 1651 1681 1690 1824 1900 1905 1950 1968 1976 2028 2032 2050 2080 2132 2197 2280 2337 2400 2413 2460 2470 2535 2540 2600 2665 2704 2850 2964 3040 3048 3075 3116 3120 3175 3198 3211 3280 3302 3362 3380 3705 3800 3810 3895 3900 3936 3952 4056 4064 4100 4225 4264 4394 4560 4674 4826 4920 4940 4953 5043 5070 5080 5200 5207 5330 5408 5700 5928 6096 6150 6175 6232 6240 6350 6396 6422 6560 6591 6604 6724 6760 6929 7239 7410 7600 7620 7790 7800 7904 7995 8112 8200 8255 8405 8450 8528 8788 9120 9348 9525 9633 9652 9840 9880 9906 10086 10127 10140 10160 10400 10414 10660 10985 11400 11685 11856 12065 12192 12300 12350 12464 12675 12700 12792 12844 13182 13208 13325 13448 13520 13858 14478 14820 15200 15240 15580 15600 15621 15990 16055 16224 16400 16510 16810 16900 17056 17576 18525 18696 19050 19266 19304 19475 19680 19760 19812 20172 20254 20280 20320 20787 20828 21320 21463 21853 21970 22800 23370 23712 24130 24600 24700 24765 24928 25215 25350 25400 25584 25688 26035 26364 26416 26650 26896 27040 27716 28956 29640 30381 30480 31160 31200 31242 31369 31939 31980 32110 32800 32955 33020 33620 33800 34645 35152 36195 37050 37392 38100 38532 38608 38950 39520 39624 39975 40344 40508 40560 41275 41574 41656 41743 42025 42640 42926 43706 43940 45600 46740 48165 48260 49200 49400 49530 50430 50635 50700 50800 51168 51376 52070 52728 52832 53300 53792 54925 55432 57912 58425 59280 60325 60762 60960 62320 62484 62738 63878 63960 64220 64389 65559 65910 66040 67240 67600 67691 69290 70304 72390 74100 74784 76200 77064 77216 77900 78105 79248 79950 80275 80688 81016 81120 82550 83148 83312 83486 84050 85280 85852 87412 87880 90077 93480 94107 95817 96330 96520 98400 98800 98933 99060 100860 101270 101400 101600 102752 103935 104140 105456 106600 107315 109265 109850 110864 115824 116850 118560 120650 121524 123825 124640 124968 125229 125476 126075 127756 127920 128440 128778 130175 131118 131651 131820 132080 134480 135200 135382 138580 144780 148200 151905 152400 154128 155800 156210 156845 158496 159695 159900 160550 161376 162032 164775 165100 166296 166624 166972 168100 171704 173225 174824 175760 180154 180975 186960 188214 191634 192660 193040 197600 197866 198120 201720 202540 202800 203073 207870 208280 208715 210912 213200 213487 214630 218530 219700 221728 231648 233700 240825 241300 243048 247650 249936 250458 250952 252150 253175 255512 255840 256880 257556 260350 262236 263302 263640 264160 268960 270231 270764 277160 279019 284089 289560 296400 296799 303810 304800 308256 311600 312420 313690 319390 319800 321100 321945 324064 327795 329550 330200 332592 333944 336200 338455 343408 346450 349648 351520 360308 361950 373920 376428 383268 385320 386080 390525 394953 395732 396240 403440 405080 405600 406146 407797 415207 415740 416560 417430 426400 426974 429260 437060 439400 450385 467400 470535 479085 481650 482600 486096 494665 495300 499872 500916 501904 504300 506350 511024 513760 515112 519675 520700 524472 526604 527280 536575 540462 541528 546325 554320 558038 568178 579120 592800 593598 607620 623200 624840 626145 627380 638780 639600 640461 642200 643890 655590 658255 659100 660400 665184 667888 672400 676910 686816 692900 699296 720616 723900 752856 759525 766536 770640 781050 784225 789906 791464 792480 798475 806880 810160 812292 815594 830414 831480 833120 834860 837057 852267 853948 858520 874120 878800 879983 900770 934800 941070 958170 963300 965200 972192 989330 990600 1001832 1003808 1008600 1012700 1015365 1022048 1030224 1039350 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54766816 55397355 55506620 55803800 56817800 57198895 59090512 59359800 60843795 61169550 61734192 62281050 63192480 63616332 64046100 64306450 64772292 64900048 65247520 65998725 66433120 66607944 66878708 66964560 68181360 68458520 68638674 69383275 70169983 70398640 72061600 72158606 73863140 75285600 76653600 77167740 78990600 79146400 79520415 80965365 81125060 81229200 81559400 82150224 83041400 83259930 83598385 83705700 84478368 84821776 85226700 85394800 85573150 86363056 87998300 88635768 88810592 91518232 92328925 96459675 97350072 97871280 99649680 100183200 100318062 101406325 102473760 102687780 102890320 105320800 105462578 105597960 106027220 107953820 108092400 108237909 110794710 111013240 111607600 113635600 114397790 118181024 118719600 121687590 122339100 123468384 124562100 127232664 128092200 128359725 128612900 129544584 129800096 131997450 132534025 133215888 133757416 133929120 134942275 136362720 136917040 137277348 138766550 140339966 140797280 144317212 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1318282225 1332158880 1337574160 1369170400 1371013514 1372773480 1403399660 1407092817 1443172120 1477262800 1543354800 1581938670 1590408300 1605088992 1619307300 1622501200 1665198600 1671967700 1684079592 1687401248 1715966850 1731806544 1738846408 1754249575 1772715360 1803965150 1830364640 1876123756 1947001440 2006361240 2053755600 2056520271 2105099490 2109251560 2111959200 2120544400 2159076400 2164758180 2173558010 2215894200 2220264800 2245439456 2287955800 2345154695 2433751800 2507951550 2531101872 2544653280 2590891680 2608269612 2636564450 2675148320 2705947725 2742027028 2745546960 2806799320 2814185634 2886344240 2954525600 3086709600 3163877340 3180816600 3238614600 3245002400 3260337015 3330397200 3343935400 3368159184 3427533785 3431933700 3463613088 3477692816 3508499150 3607930300 3752247512 3954846675 4012722480 4107511200 4113040542 4210198980 4218503120 4241088800 4318152800 4329516360 4347116020 4431788400 4575911600 4690309390 4867503600 5015903100 5062203744 5216539224 5262748725 5273128900 5411895450 5433895025 5484054056 5491093920 5613598640 5628371268 5772688480 6327754680 6361633200 6477229200 6520674030 6660794400 6687870800 6736318368 6855067570 6863867400 6955385632 7016998300 7035464085 7215860600 7504495024 7909693350 8025444960 8226081084 8420397960 8437006240 8659032720 8694232040 8863576800 8911587841 9151823200 9380618780 9735007200 10031806200 10282601355 10433078448 10525497450 10546257800 10823790900 10867790050 10968108112 11227197280 11256742536 11725773475 12655509360 12723266400 12954458400 13041348060 13375741600 13710135140 13727734800 14033996600 14070928170 14431721200 15008990048 15819386700 16301685075 16452162168 16840795920 17137668925 17318065440 17388464080 17823175682 18761237560 20063612400 20565202710 20866156896 21050994900 21092515600 21647581800 21735580100 21936216224 22513485072 23451546950 25311018720 26082696120 26734763523 27420270280 27455469600 28067993200 28141856340 28863442400 31638773400 32603370150 32904324336 33681591840 34275337850 34776928160 35177320425 35646351364 37522475120 40127224800 41130405420 42101989800 42185031200 43295163600 43471160200 44557939205 45026970144 46903093900 51413006775 52165392240 53469527046 54840540560 56135986400 56283712680 63277546800 65206740300 65808648672 68550675700 70354640850 71292702728 75044950240 82260810840 84203979600 86590327200 86942320400 89115878410 93806187800 102826013550 104330784480 106939054092 109681081120 112567425360 126555093600 130413480600 133673817615 137101351400 140709281700 142585405456 164521621680 168407959200 173884640800 178231756820 187612375600 205652027100 213878108184 222789696025 225134850720 260826961200 267347635230 274202702800 281418563400 285170810912 329043243360 356463513640 375224751200 411304054200 427756216368 445579392050 521653922400 534695270460 548405405600 562837126800 668369088075 712927027280 822608108400 855512432736 891158784100 1069390540920 1125674253600 1336738176150 1425854054560 1645216216800 1782317568200 2138781081840 2673476352300 3564635136400 4277562163680 5346952704600 7129270272800 10693905409200 21387810818400
- Sum of all divisors σ(n): 82009551052800
- Sum of proper divisors (its aliquot sum) s(n): 60621740234400
- 21387810818400 is an abundant number, because the sum of its proper divisors (60621740234400) is greater than itself. Its abundance is 39233929416000
Bases of 21387810818400
- Binary: 1001101110011101111001101110111001001011000002
- Hexadecimal: 0x1373BCDDC960
- Base-36: 7KXFACEAO
Squares and roots of 21387810818400
- 21387810818400 squared (213878108184002) is 457438451603668077778560000
- 21387810818400 cubed (213878108184003) is 9783607063961076943035018207573504000000
-
The
square root of 21387810818400 is 4624695.7541442657 -
The
cube root of 21387810818400 is 27758.0387687647
Scales and comparisons
How big is 21387810818400?- 21,387,810,818,400 seconds is equal to 680,066 years, 11 weeks, 5 days, 16 hours, 40 minutes.
-
To count from 1 to 21,387,810,818,400 would take you about one million, seven hundred thousand, one hundred sixty-five 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 21387810818400 cubic inches would be around 2313.2 feet tall.
Recreational maths with 21387810818400
- 21387810818400 backwards is 00481801878312
- The number of decimal digits it has is: 14
- The sum of 21387810818400's digits is 51
- More coming soon!
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"Number 21387810818400 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.
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Numbermatics. (2024). Number 21387810818400 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/21387810818400/
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The information we have on file for 21387810818400 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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