20821878817113920
20,821,878,817,113,920 is an even composite number composed of six prime numbers multiplied together.
20821878817113920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 20821878817113920:
26 × 5 × 72 × 13 × 46619 × 2191127
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 13 × 46619 × 2191127)See below for interesting mathematical facts about the number 20821878817113920 from the Numbermatics database.
Names of 20821878817113920
- Cardinal: 20821878817113920 can be written as Twenty quadrillion, eight hundred twenty-one trillion, eight hundred seventy-eight billion, eight hundred seventeen million, one hundred thirteen thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.082187881711392 × 1016
Factors of 20821878817113920
Divisors of 20821878817113920
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 130 140 160 182 196 208 224 245 260 280 320 364 392 416 448 455 490 520 560 637 728 784 832 910 980 1040 1120 1274 1456 1568 1820 1960 2080 2240 2548 2912 3136 3185 3640 3920 4160 5096 5824 6370 7280 7840 10192 12740 14560 15680 20384 25480 29120 40768 46619 50960 93238 101920 186476 203840 233095 326333 372952 466190 606047 652666 745904 932380 1212094 1305332 1491808 1631665 1864760 2191127 2284331 2424188 2610664 2983616 3030235 3263330 3729520 4242329 4382254 4568662 4848376 5221328 6060470 6526660 7459040 8484658 8764508 9137324 9696752 10442656 10955635 11421655 12120940 13053320 14918080 15337889 16969316 17529016 18274648 19393504 20885312 21211645 21911270 22843310 24241880 26106640 28484651 29696303 30675778 33938632 35058032 36549296 38787008 42423290 43822540 45686620 48483760 52213280 56969302 59392606 61351556 67877264 70116064 73098592 76689445 84846580 87645080 91373240 96967520 104426560 107365223 113938604 118785212 122703112 135754528 140232128 142423255 146197184 148481515 153378890 169693160 175290160 182746480 193935040 199392557 214730446 227877208 237570424 245406224 271509056 284846510 296963030 306757780 339386320 350580320 365492960 398785114 429460892 455754416 475140848 490812448 536826115 569693020 593926060 613515560 678772640 701160640 730985920 797570228 858921784 911508832 950281696 981624896 996962785 1073652230 1139386040 1187852120 1227031120 1357545280 1395747899 1595140456 1717843568 1823017664 1900563392 1993925570 2147304460 2278772080 2375704240 2454062240 2791495798 3190280912 3435687136 3987851140 4294608920 4557544160 4751408480 4908124480 5582991596 6380561824 6871374272 6978739495 7975702280 8589217840 9115088320 9502816960 11165983192 12761123648 13957478990 15951404560 17178435680 22331966384 27914957980 31902809120 34356871360 44663932768 55829915960 63805618240 89327865536 102148149613 111659831920 204296299226 223319663840 408592598452 446639327680 510740748065 715037047291 817185196904 1021481496130 1327925944969 1430074094582 1634370393808 2042962992260 2655851889938 2860148189164 3268740787616 3575185236455 4085925984520 5005259331037 5311703779876 5720296378328 6537481575232 6639629724845 7150370472910 8171851969040 9295481614783 10010518662074 10623407559752 11440592756656 13279259449690 14300740945820 16343703938080 18590963229566 20021037324148 21246815119504 22881185513312 25026296655185 26558518899380 28601481891640 32687407876160 37181926459132 40042074648296 42493630239008 45762371026624 46477408073915 50052593310370 53117037798760 57202963783280 65068371303481 74363852918264 80084149296592 84987260478016 92954816147830 100105186620740 106234075597520 114405927566560 130136742606962 148727705836528 160168298593184 185909632295660 200210373241480 212468151195040 228811855133120 260273485213924 297455411673056 320336597186368 325341856517405 371819264591320 400420746482960 424936302390080 520546970427848 594910823346112 650683713034810 743638529182640 800841492965920 1041093940855696 1301367426069620 1487277058365280 1601682985931840 2082187881711392 2602734852139240 2974554116730560 4164375763422784 5205469704278480 10410939408556960 20821878817113920
- Sum of all divisors σ(n): 62115198944319360
- Sum of proper divisors (its aliquot sum) s(n): 41293320127205440
- 20821878817113920 is an abundant number, because the sum of its proper divisors (41293320127205440) is greater than itself. Its abundance is 20471441310091520
Bases of 20821878817113920
- Binary: 10010011111100101100011011100100111001101000111010000002
- Hexadecimal: 0x49F96372734740
- Base-36: 5P0QN2QQA0W
Squares and roots of 20821878817113920
- 20821878817113920 squared (208218788171139202) is 433550637474577376358678257766400
- 20821878817113920 cubed (208218788171139203) is 9027338834578139137451303264219450521473548288000
-
The
square root of 20821878817113920 is 144297882.2336416689 -
The
cube root of 20821878817113920 is 275110.1655237983
Scales and comparisons
How big is 20821878817113920?- 20,821,878,817,113,920 seconds is equal to 662,071,340 years, 4 weeks, 2 days, 16 hours, 5 minutes, 20 seconds.
-
To count from 1 to 20,821,878,817,113,920 would take you about one billion, nine hundred eighty-six million, two hundred fourteen thousand and twenty 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 20821878817113920 cubic inches would be around 22925.8 feet tall.
Recreational maths with 20821878817113920
- 20821878817113920 backwards is 02931171887812802
- The number of decimal digits it has is: 17
- The sum of 20821878817113920's digits is 68
- More coming soon!
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