21521494985381842476816
21,521,494,985,381,842,476,816 is an even composite number composed of five prime numbers multiplied together.
21521494985381842476816 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21521494985381842476816:
24 × 33 × 72 × 33113 × 30703937986699
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 7 × 33113 × 30703937986699)See below for interesting mathematical facts about the number 21521494985381842476816 from the Numbermatics database.
Names of 21521494985381842476816
- Cardinal: 21521494985381842476816 can be written as Twenty-one sextillion, five hundred twenty-one quintillion, four hundred ninety-four quadrillion, nine hundred eighty-five trillion, three hundred eighty-one billion, eight hundred forty-two million, four hundred seventy-six thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 2.1521494985381842476816 × 1022
Factors of 21521494985381842476816
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 11
- Sum of prime factors: 30703938019824
Divisors of 21521494985381842476816
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 84 98 108 112 126 144 147 168 189 196 216 252 294 336 378 392 432 441 504 588 756 784 882 1008 1176 1323 1512 1764 2352 2646 3024 3528 5292 7056 10584 21168 33113 66226 99339 132452 198678 231791 264904 298017 397356 463582 529808 596034 695373 794712 894051 927164 1192068 1390746 1589424 1622537 1788102 1854328 2086119 2384136 2781492 3245074 3576204 3708656 4172238 4768272 4867611 5562984 6258357 6490148 7152408 8344476 9735222 11125968 12516714 12980296 14304816 14602833 16688952 19470444 25033428 25960592 29205666 33377904 38940888 43808499 50066856 58411332 77881776 87616998 100133712 116822664 175233996 233645328 350467992 700935984 30703937986699 61407875973398 92111813960097 122815751946796 184223627920194 214927565906893 245631503893592 276335441880291 368447255840388 429855131813786 491263007787184 552670883760582 644782697720679 736894511680776 829006325640873 859710263627572 1105341767521164 1289565395441358 1473789023361552 1504492961348251 1658012651281746 1719420527255144 1934348093162037 2210683535042328 2579130790882716 3008985922696502 3316025302563492 3438841054510288 3868696186324074 4421367070084656 4513478884044753 5158261581765432 5803044279486111 6017971845393004 6632050605126984 7737392372648148 9026957768089506 10316523163530864 11606088558972222 12035943690786008 13264101210253968 13540436652134259 15474784745296296 18053915536179012 23212177117944444 24071887381572016 27080873304268518 30949569490592592 36107831072358024 40621309956402777 46424354235888888 54161746608537036 72215662144716048 81242619912805554 92848708471777776 108323493217074072 162485239825611108 216646986434148144 324970479651222216 649940959302444432 1016699498553563987 2033398997107127974 3050098495660691961 4066797994214255948 6100196991321383922 7116896489874947909 8133595988428511896 9150295486982075883 12200393982642767844 14233792979749895818 16267191976857023792 18300590973964151766 21350689469624843727 24400787965285535688 27450886460946227649 28467585959499791636 36601181947928303532 42701378939249687454 48801575930571071376 49818275429124635363 54901772921892455298 56935171918999583272 64052068408874531181 73202363895856607064 85402757878499374908 99636550858249270726 109803545843784910596 113870343837999166544 128104136817749062362 146404727791713214128 149454826287373906089 170805515756998749816 192156205226623593543 199273101716498541452 219607091687569821192 256208273635498124724 298909652574747812178 341611031513997499632 384312410453247187086 398546203432997082904 439214183375139642384 448364478862121718267 512416547270996249448 597819305149495624356 768624820906494374172 797092406865994165808 896728957724243436534 1024833094541992498896 1195638610298991248712 1345093436586365154801 1537249641812988748344 1793457915448486873068 2391277220597982497424 2690186873172730309602 3074499283625977496688 3586915830896973746136 5380373746345460619204 7173831661793947492272 10760747492690921238408 21521494985381842476816
- Sum of all divisors σ(n): 71862490712105142984000
- Sum of proper divisors (its aliquot sum) s(n): 50340995726723300507184
- 21521494985381842476816 is an abundant number, because the sum of its proper divisors (50340995726723300507184) is greater than itself. Its abundance is 28819500741341458030368
Bases of 21521494985381842476816
- Binary: 1001000111010101110101111011001111101101111111110110101111101011111000100002
- Hexadecimal: 0x48EAEBD9F6FFB5F5F10
- Base-36: 3I5Y899IBIL3FO0
Squares and roots of 21521494985381842476816
- 21521494985381842476816 squared (215214949853818424768162) is 463174746405815792124856849212620977497497856
- 21521494985381842476816 cubed (215214949853818424768163) is 9968212982128271137415128570104325892740986991406935742777689706496
-
The
square root of 21521494985381842476816 is 146702061967.0420395173 -
The
cube root of 21521494985381842476816 is 27815752.4139185645
Scales and comparisons
How big is 21521494985381842476816?- 21,521,494,985,381,842,476,816 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
-
To count from 1 to 21,521,494,985,381,842,476,816 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 21521494985381842476816 cubic inches would be around 2317979.4 feet tall.
Recreational maths with 21521494985381842476816
- 21521494985381842476816 backwards is 61867424818358949412512
- 21521494985381842476816 is a
Harshad number . - The number of decimal digits it has is: 23
- The sum of 21521494985381842476816's digits is 108
- More coming soon!
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