21299938087680

Names of 21299938087680

• Cardinal: 21299938087680 can be written as Twenty-one trillion, two hundred ninety-nine billion, nine hundred thirty-eight million, eighty-seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.129993808768 × 10¹³

Factors of 21299938087680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 4845

Divisors of 21299938087680

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 112 120 126 128 135 137 140 144 160 168 180 189 192 210 216 224 240 252 256 270 274 280 288 315 320 336 360 378 384 411 420 432 448 480 504 540 548 560 576 630 640 672 685 720 756 768 822 840 864 896 945 959 960 1008 1080 1096 1120 1152 1233 1260 1280 1344 1370 1440 1512 1644 1680 1728 1792 1890 1918 1920 2016 2055 2160 2192 2240 2304 2466 2520 2688 2740 2877 2880 3024 3288 3360 3456 3699 3780 3836 3840 4032 4110 4320 4384 4480 4691 4795 4932 5040 5376 5480 5754 5760 6048 6165 6576 6720 6912 7398 7560 7672 8064 8220 8631 8640 8768 8960 9382 9590 9864 10080 10960 11508 11520 12096 12330 13152 13440 14073 14385 14796 15120 15344 16128 16440 17262 17280 17536 18495 18764 18769 19180 19728 20160 21920 23016 23455 24192 24660 25893 26304 26880 28146 28770 29592 30240 30688 32837 32880 34524 34560 35072 36990 37528 37538 38360 39456 40320 42219 43155 43840 46032 46910 48384 49320 51786 52608 56292 56307 57540 59184 60480 61376 65674 65760 69048 70365 73980 75056 75076 76720 78912 80640 84438 86310 87680 92064 93820 93845 98511 98640 103572 105216 112584 112614 115080 118368 120960 122752 126657 129465 131348 131383 131520 138096 140730 147960 150112 150152 153440 157824 164185 168876 168921 172620 175360 184128 187640 187690 197022 197280 207144 211095 225168 225228 230160 236736 241920 245504 253314 258930 262696 262766 263040 276192 281460 281535 295533 295920 300224 300304 306880 315648 328370 337752 337842 345240 368256 375280 375380 394044 394149 394560 414288 422190 450336 450456 460320 473472 492555 506628 506763 517860 525392 525532 526080 552384 562920 563070 591066 591840 600448 600608 613760 633285 642667 656740 656915 675504 675684 690480 736512 750560 750760 788088 788298 789120 828576 844380 844605 886599 900672 900912 920640 946944 985110 1013256 1013526 1035720 1050784 1051064 1104768 1125840 1126140 1182132 1182447 1183680 1200896 1201216 1227520 1266570 1285334 1313480 1313830 1351008 1351368 1380960 1477665 1501120 1501520 1576176 1576596 1578240 1657152 1688760 1689210 1773198 1801344 1801824 1841280 1928001 1970220 1970745 2026512 2027052 2071440 2101568 2102128 2209536 2251680 2252280 2364264 2364894 2367360 2402432 2533140 2533815 2570668 2626960 2627660 2702016 2702736 2761920 2955330 3002240 3003040 3152352 3153192 3213335 3314304 3377520 3378420 3546396 3547341 3602688 3603648 3682560 3856002 3940440 3941490 4053024 4054104 4142880 4203136 4204256 4432995 4498669 4503360 4504560 4728528 4729788 4734720 4804864 5066280 5067630 5141336 5253920 5255320 5404032 5405472 5523840 5784003 5910660 5912235 6004480 6006080 6304704 6306384 6426670 6628608 6755040 6756840 7092792 7094682 7207296 7712004 7880880 7882980 8106048 8108208 8285760 8406272 8408512 8865990 8997338 9006720 9009120 9457056 9459576 9640005 10132560 10135260 10282672 10507840 10510640 10808064 10810944 11047680 11568006 11821320 11824470 12012160 12609408 12612768 12853340 13496007 13510080 13513680 14185584 14189364 14414592 15424008 15761760 15765960 16212096 16216416 16571520 16817024 17352009 17731980 17736705 17994676 18013440 18018240 18914112 18919152 19280010 20265120 20270520 20565344 21015680 21021280 21621888 22493345 23136012 23642640 23648940 24024320 25218816 25225536 25706680 26992014 27020160 27027360 28371168 28378728 28920015 30848016 31523520 31531920 32424192 32432832 33143040 33634048 34704018 35463960 35473410 35989352 36036480 37828224 37838304 38560020 40488021 40530240 40541040 41130688 42031360 42042560 43243776 44986690 46272024 47285280 47297880 50451072 51413360 53984028 54040320 54054720 56742336 56757456 57840030 61696032 63047040 63063840 64865664 67480035 69408036 70927920 70946820 71978704 72072960 75656448 75676608 77120040 80976042 81060480 81082080 82261376 84085120 86760045 88045379 89973380 92544048 94570560 94595760 100902144 102826720 107968056 108109440 113484672 113514912 115680060 121464063 123392064 126094080 126127680 129731328 134960070 138816072 141855840 141893640 143957408 151353216 154240080 161952084 162120960 162164160 164522752 168170240 173520090 176090758 179946760 185088096 189141120 189191520 202440105 205653440 215936112 216218880 226969344 227029824 231360120 242928126 246784128 252255360 264136137 269920140 277632144 283711680 283787280 287914816 302706432 308480160 323904168 324328320 347040180 352181516 359893520 370176192 378282240 378383040 404880210 411306880 431872224 440226895 454059648 462720240 485856252 493568256 504510720 528272274 539840280 555264288 567423360 567574560 575829632 607320315 616317653 616960320 647808336 648656640 694080360 704363032 719787040 740352384 756766080 792408411 809760420 822613760 863744448 880453790 908119296 925440480 971712504 1056544548 1079680560 1110528576 1134846720 1135149120 1151659264 1214640630 1232635306 1233920640 1295616672 1320680685 1388160720 1408726064 1439574080 1480704768 1513532160 1584816822 1619520840 1727488896 1760907580 1848952959 1850880960 1943425008 2113089096 2159361120 2221057152 2270298240 2377225233 2429281260 2465270612 2467841280 2591233344 2641361370 2776321440 2817452128 2879148160 3081588265 3169633644 3239041680 3454977792 3521815160 3697905918 3701761920 3886850016 3962042055 4226178192 4318722240 4442114304 4540596480 4754450466 4858562520 4930541224 5182466688 5282722740 5546858877 5552642880 5634904256 5758296320 6163176530 6339267288 6478083360 7043630320 7395811836 7403523840 7773700032 7924084110 8452356384 8637444480 9244764795 9508900932 9717125040 9861082448 10364933376 10565445480 11093717754 11105285760 11269808512 11886126165 12326353060 12678534576 12956166720 14087260640 14791623672 15547400064 15848168220 16640576631 16904712768 17274888960 18489529590 19017801864 19434250080 19722164896 21130890960 22187435508 22210571520 22539617024 23772252330 24652706120 25357069152 25912333440 27734294385 28174521280 29583247344 31094800128 31696336440 33281153262 33809425536 36979059180 38035603728 38868500160 39444329792 42261781920 44374871016 47544504660 49305412240 50714138304 51824666880 55468588770 56349042560 59166494688 63392672880 66562306524 67618851072 73958118360 76071207456 77737000320 78888659584 83202883155 84523563840 88749742032 95089009320 98610824480 101428276608 110937177540 112698085120 118332989376 126785345760 133124613048 147916236720 152142414912 155474000640 157777319168 166405766310 169047127680 177499484064 190178018640 197221648960 202856553216 221874355080 236665978752 253570691520 266249226096 295832473440 304284829824 332811532620 338094255360 354998968128 380356037280 394443297920 443748710160 473331957504 507141383040 532498452192 591664946880 608569659648 665623065240 709997936256 760712074560 788886595840 887497420320 1014282766080 1064996904384 1183329893760 1331246130480 1419995872512 1521424149120 1774994840640 2129993808768 2366659787520 2662492260960 3042848298240 3549989681280 4259987617536 5324984521920 7099979362560 10649969043840 21299938087680
• Sum of all divisors σ(n): 87036768161280
• Sum of proper divisors (its aliquot sum) s(n): 65736830073600
• 21299938087680 is an abundant number, because the sum of its proper divisors (65736830073600) is greater than itself. Its abundance is 44436891985920

Bases of 21299938087680

• Binary: 100110101111101000111001111100101001100000000₂
• Hexadecimal: 0x135F473E5300
• Base-36: 7JT216TC0

Squares and roots of 21299938087680

• 21299938087680 squared (21299938087680²) is 453687362539001135367782400
• 21299938087680 cubed (21299938087680³) is 9663512733243554712682991866538360832000
• The square root of 21299938087680 is 4615185.5962333735
• The cube root of 21299938087680 is 27719.9715597243

Scales and comparisons

• 21,299,938,087,680 seconds is equal to 677,272 years, 7 weeks, 4 days, 4 hours, 48 minutes.
• To count from 1 to 21,299,938,087,680 would take you about one million, six hundred ninety-three thousand, one hundred eighty 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 21299938087680 cubic inches would be around 2310 feet tall.

Recreational maths with 21299938087680

• 21299938087680 backwards is 08678083999212
• 21299938087680 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21299938087680's digits is 72
• More coming soon!