21387409818043125
21,387,409,818,043,125 is an odd composite number composed of five prime numbers multiplied together.
21387409818043125 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred twenty divisors.
Prime factorization of 21387409818043125:
3 × 54 × 176 × 612 × 127
(3 × 5 × 5 × 5 × 5 × 17 × 17 × 17 × 17 × 17 × 17 × 61 × 61 × 127)See below for interesting mathematical facts about the number 21387409818043125 from the Numbermatics database.
Names of 21387409818043125
- Cardinal: 21387409818043125 can be written as Twenty-one quadrillion, three hundred eighty-seven trillion, four hundred nine billion, eight hundred eighteen million, forty-three thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1387409818043125 × 1016
Factors of 21387409818043125
Divisors of 21387409818043125
- Number of divisors d(n): 420
-
Complete list of divisors:
1 3 5 15 17 25 51 61 75 85 125 127 183 255 289 305 375 381 425 625 635 867 915 1037 1275 1445 1525 1875 1905 2125 2159 3111 3175 3721 4335 4575 4913 5185 6375 6477 7225 7625 7747 9525 10625 10795 11163 14739 15555 15875 17629 18605 21675 22875 23241 24565 25925 31875 32385 36125 36703 38125 38735 47625 52887 53975 55815 63257 73695 77775 79375 83521 88145 93025 108375 110109 114375 116205 122825 129625 131699 161925 180625 183515 189771 193675 238125 250563 264435 269875 279075 299693 316285 368475 388875 395097 417605 440725 465125 472567 541875 550545 581025 614125 623951 648125 658495 809625 899079 917575 948855 968375 1075369 1252815 1322175 1349375 1395375 1417701 1419857 1498465 1581425 1842375 1871853 1944375 1975485 2088025 2203625 2238883 2325625 2362835 2752725 2905125 3070625 3119755 3226107 3292475 4048125 4259571 4495395 4587875 4744275 4841875 5094781 5376845 6264075 6610875 6716649 6976875 7088505 7099285 7492325 7907125 8033639 9211875 9359265 9877425 10440125 10607167 11018125 11194415 11814175 13763625 14525625 15284343 15598775 16130535 16462375 18281273 21297855 22476975 22939375 23721375 24100917 24137569 25473905 26884225 31320375 31821501 33054375 33583245 35442525 35496425 37461625 38061011 39535625 40168195 46796325 49387125 52200625 53035835 54843819 55972075 59070875 68818125 72412707 76421715 77993875 80652675 82311875 86611277 91406365 106489275 112384875 114183033 118606875 120504585 120687845 127369525 134421125 136571863 156601875 159107505 167916225 177212625 177482125 180321839 187308125 190305055 200840975 233981625 246935625 259833831 265179175 274219095 279860375 295354375 310781641 362063535 382108575 389969375 403263375 409715589 433056385 457031825 532446375 540965517 561924375 570915165 602522925 603439225 636847625 647037187 672105625 682859315 795537525 839581125 886063125 887410625 901609195 932344923 951525275 1004204875 1169908125 1299169155 1325895875 1371095475 1399301875 1472391709 1553908205 1810317675 1910542875 1941111561 2016316875 2048577945 2165281925 2285159125 2321721671 2662231875 2704827585 2854575825 3012614625 3017196125 3065471263 3184238125 3235185935 3414296575 3977687625 4197905625 4417175127 4508045975 4661724615 4757626375 5021024375 5283287897 6495845775 6629479375 6855477375 6965165013 7361958545 7769541025 9051588375 9196413789 9552714375 9705557805 10242889725 10826409625 10999632179 11425795625 11608608355 13524137925 14272879125 15063073125 15085980625 15327356315 15849863691 16175929675 17071482875 19888438125 22085875635 22540229875 23308623075 23788131875 26416439485 32479228875 32998896537 34277386875 34825825065 36809792725 38847705125 39469268407 45257941875 45982068945 48527789025 51214448625 54132048125 54998160895 58043041775 67620689625 71364395625 76636781575 79249318455 80879648375 85357414375 89815894249 110429378175 112701149375 116543115375 118407805221 132082197425 162396144375 164994482685 174129125325 184048963625 186993747043 194238525625 197346342035 229910344725 242638945125 256072243125 269447682747 274990804475 290215208875 338103448125 383183907875 396246592275 404398241875 449079471245 552146890875 560981241129 582715576875 592039026105 660410987125 670977562919 824972413425 870645626625 920244818125 934968735215 986731710175 1149551723625 1213194725625 1347238413735 1374954022375 1451076044375 1915919539375 1981232961375 2012932688757 2245397356225 2760734454375 2804906205645 2960195130525 3302054935625 3354887814595 4124862067125 4353228133125 4674843676075 4933658550875 5747758618125 6736192068675 6874770111875 9906164806875 10064663443785 11226986781125 11406618569623 14024531028225 14800975652625 16774439072975 20624310335625 23374218380375 24668292754375 33680960343375 34219855708869 50323317218925 56134933905625 57033092848115 70122655141125 74004878263125 83872195364875 116871091901875 168404801716875 171099278544345 251616586094625 285165464240575 350613275705625 419360976824375 855496392721725 1258082930473125 1425827321202875 4277481963608625 7129136606014375 21387409818043125
- Sum of all divisors σ(n): 38795361414830592
- Sum of proper divisors (its aliquot sum) s(n): 17407951596787467
- 21387409818043125 is a deficient number, because the sum of its proper divisors (17407951596787467) is less than itself. Its deficiency is 3979458221255658
Bases of 21387409818043125
- Binary: 10010111111101110111100011001001101111011000010111101012
- Hexadecimal: 0x4BFBBC64DEC2F5
- Base-36: 5UL7CFJ3SOL
Squares and roots of 21387409818043125
- 21387409818043125 squared (213874098180431252) is 457421298724927457220804359765625
- 21387409818043125 cubed (213874098180431253) is 9783056775331550673409518654501179491921142578125
-
The
square root of 21387409818043125 is 146244349.6961271493 -
The
cube root of 21387409818043125 is 277578.6528906453
Scales and comparisons
How big is 21387409818043125?- 21,387,409,818,043,125 seconds is equal to 680,053,476 years, 31 weeks, 5 days, 14 hours, 38 minutes, 45 seconds.
-
To count from 1 to 21,387,409,818,043,125 would take you about two billion, forty million, one hundred sixty thousand, four hundred twenty-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 21387409818043125 cubic inches would be around 23131.6 feet tall.
Recreational maths with 21387409818043125
- 21387409818043125 backwards is 52134081890478312
- The number of decimal digits it has is: 17
- The sum of 21387409818043125's digits is 66
- More coming soon!
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The information we have on file for 21387409818043125 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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