20421154513890
20,421,154,513,890 is an even composite number composed of seven prime numbers multiplied together.
20421154513890 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 20421154513890:
2 × 34 × 5 × 132 × 17 × 37 × 4872
(2 × 3 × 3 × 3 × 3 × 5 × 13 × 13 × 17 × 37 × 487 × 487)See below for interesting mathematical facts about the number 20421154513890 from the Numbermatics database.
Names of 20421154513890
- Cardinal: 20421154513890 can be written as Twenty trillion, four hundred twenty-one billion, one hundred fifty-four million, five hundred thirteen thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 2.042115451389 × 1013
Factors of 20421154513890
Divisors of 20421154513890
- Number of divisors d(n): 720
-
Complete list of divisors:
1 2 3 5 6 9 10 13 15 17 18 26 27 30 34 37 39 45 51 54 65 74 78 81 85 90 102 111 117 130 135 153 162 169 170 185 195 221 222 234 255 270 306 333 338 351 370 390 405 442 459 481 487 507 510 555 585 629 663 666 702 765 810 845 918 962 974 999 1014 1053 1105 1110 1170 1258 1326 1377 1443 1461 1521 1530 1665 1690 1755 1887 1989 1998 2106 2210 2295 2405 2435 2535 2754 2873 2886 2922 2997 3042 3145 3315 3330 3510 3774 3978 4329 4383 4563 4590 4810 4870 4995 5070 5265 5661 5746 5967 5994 6253 6290 6331 6630 6885 7215 7305 7605 8177 8279 8619 8658 8766 9126 9435 9945 9990 10530 11322 11934 12506 12662 12987 13149 13689 13770 14365 14430 14610 14985 15210 16354 16558 16983 17238 17901 18019 18759 18870 18993 19890 21645 21915 22815 24531 24837 25857 25974 26298 27378 28305 28730 29835 29970 31265 31655 33966 35802 36038 37518 37986 38961 39447 40885 41395 43095 43290 43830 45630 49062 49674 50949 51714 54057 56277 56610 56979 59670 62530 63310 64935 65745 68445 73593 74511 77571 77922 78894 81770 82303 82790 84915 86190 89505 90095 93795 94965 101898 106301 107627 108114 112554 113958 122655 124185 129285 129870 131490 136890 147186 149022 155142 162171 164606 168831 169830 170937 179010 180190 187590 189930 194805 197235 212602 215254 220779 223533 232713 234247 237169 245310 246909 248370 254745 258570 270285 281385 284895 306323 318903 322881 324342 337662 341874 367965 372555 387855 389610 394470 411515 441558 447066 465426 468494 474338 486513 493818 506493 509490 512811 531505 538135 540570 562770 569790 612646 637806 645762 662337 670599 702741 711507 735930 740727 745110 775710 810855 823030 844155 854685 918969 956709 968643 973026 1012986 1025622 1063010 1076270 1103895 1117665 1163565 1171235 1185845 1234545 1324674 1341198 1399151 1405482 1423014 1459539 1481454 1531615 1594515 1614405 1621710 1688310 1709370 1837938 1913418 1937286 2108223 2134521 2207790 2222181 2235330 2327130 2342470 2371690 2432565 2469090 2532465 2564055 2756907 2798302 2870127 2905929 2919078 3045211 3063230 3083197 3189030 3228810 3311685 3352995 3513705 3557535 3703635 3982199 4031873 4197453 4216446 4269042 4444362 4594845 4783545 4843215 4865130 5064930 5128110 5513814 5740254 5811858 6090422 6166394 6324669 6403563 6623370 6666543 6705990 6995755 7027410 7115070 7297695 7407270 7964398 8063746 8270721 8394906 8610381 8717787 8775253 9135633 9189690 9249591 9567090 9686430 10541115 10672605 11110905 11946597 12095619 12592359 12649338 12807126 13333086 13784535 13991510 14350635 14529645 14595390 15226055 15415985 16541442 17220762 17435574 17550506 18271266 18499182 18974007 19210689 19910995 20159365 20987265 21082230 21345210 22221810 23893194 24191238 24812163 25184718 26325759 27406899 27569070 27748773 28701270 29059290 30452110 30831970 31623345 32017815 33332715 35839791 36286857 37777077 37948014 38421378 39821990 40081561 40318730 41353605 41974530 43051905 43588935 43876265 45678165 46247955 49624326 51768587 52414349 52651518 54813798 55497546 59732985 60478095 62961795 63246690 64035630 66665430 71679582 72573714 75554154 78977277 80163122 82220697 82707210 83246319 86103810 87177870 87752530 91356330 92495910 94870035 96053445 103537174 104828698 107519373 108860571 113331231 114078289 119465970 120244683 120956190 124060815 125923590 131628795 137034495 138743865 149179301 155305761 157243047 157954554 164441394 166492638 179198955 181434285 188885385 189740070 192106890 200407805 215038746 217721142 226662462 228156578 236931831 240489366 246662091 248121630 249738957 258842935 262071745 263257590 274068990 277487730 298358602 310611522 314486094 322558119 326581713 342234867 358397910 360734049 362868570 377770770 394886385 400815610 411103485 416231595 447537903 465917283 471729141 473863662 493324182 499477914 517685870 524143490 537596865 544302855 566656155 570391445 601223415 645116238 653163426 681386537 684469734 710795493 721468098 745896505 776528805 786215235 789772770 822206970 832463190 895075806 931834566 943458282 1026704601 1075193730 1082202147 1088605710 1133312310 1140782890 1184659155 1202446830 1233310455 1248694785 1342613709 1362773074 1397751849 1415187423 1421590986 1483017757 1491793010 1553057610 1572430470 1612790595 1632908565 1711174335 1803670245 1939330913 2044159611 2053409202 2164404294 2237689515 2329586415 2358645705 2369318310 2466620910 2497389570 2685227418 2795503698 2830374846 2966035514 3080113803 3225581190 3246606441 3265817130 3406932685 3422348670 3553977465 3607340490 3878661826 4027841127 4088319222 4193255547 4245562269 4449053271 4475379030 4659172830 4717291410 5133523005 5411010735 5817992739 6132478833 6160227606 6493212882 6713068545 6813865370 6988759245 7075937115 7107954930 7415088785 8055682254 8386511094 8491124538 8898106542 9240341409 9696654565 10220798055 10267046010 10822021470 11635985478 12083523381 12264957666 13347159813 13426137090 13977518490 14151874230 14830177570 15400569015 16233032205 17453978217 18397436499 18480682818 19393309130 20139205635 20441596110 20966277735 21227811345 22245266355 24167046762 25211301869 26694319626 29089963695 30662394165 30801138030 32466064410 34907956434 36794872998 40041479439 40278411270 41932555470 42455622690 44490532710 46201707045 50422603738 52361934651 55192309497 58179927390 60417616905 61324788330 66735799065 75633905607 80082958878 87269891085 91987182495 92403414090 104723869302 110384618994 120124438317 120835233810 126056509345 133471598130 151267811214 157085803953 174539782170 183974364990 200207397195 226901716821 240248876634 252113018690 261809673255 275961547485 314171607906 378169528035 400414794390 453803433642 523619346510 551923094970 600622191585 680705150463 756339056070 785429019765 1134508584105 1201244383170 1361410300926 1570858039530 2042115451389 2269017168210 3403525752315 4084230902778 6807051504630 10210577256945 20421154513890
- Sum of all divisors σ(n): 64791148364712
- Sum of proper divisors (its aliquot sum) s(n): 44369993850822
- 20421154513890 is an abundant number, because the sum of its proper divisors (44369993850822) is greater than itself. Its abundance is 23948839336932
Bases of 20421154513890
- Binary: 1001010010010101010111010100100100011111000102
- Hexadecimal: 0x1292ABA923E2
- Base-36: 78LCK504I
Squares and roots of 20421154513890
- 20421154513890 squared (204211545138902) is 417023551680169922202932100
- 20421154513890 cubed (204211545138903) is 8516102384791941700396616986508176869000
-
The
square root of 20421154513890 is 4518977.1535038767 -
The
cube root of 20421154513890 is 27333.3857470577
Scales and comparisons
How big is 20421154513890?- 20,421,154,513,890 seconds is equal to 649,329 years, 28 weeks, 3 days, 31 minutes, 30 seconds.
-
To count from 1 to 20,421,154,513,890 would take you about one million, six hundred twenty-three thousand, three hundred twenty-three 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 20421154513890 cubic inches would be around 2277.8 feet tall.
Recreational maths with 20421154513890
- 20421154513890 backwards is 09831545112402
- 20421154513890 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 20421154513890's digits is 45
- More coming soon!
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The information we have on file for 20421154513890 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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