21349078400
21,349,078,400 is an even composite number composed of six prime numbers multiplied together.
21349078400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21349078400:
27 × 52 × 13 × 23 × 53 × 421
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 13 × 23 × 53 × 421)See below for interesting mathematical facts about the number 21349078400 from the Numbermatics database.
Names of 21349078400
- Cardinal: 21349078400 can be written as Twenty-one billion, three hundred forty-nine million, seventy-eight thousand, four hundred.
Scientific notation
- Scientific notation: 2.13490784 × 1010
Factors of 21349078400
Divisors of 21349078400
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 23 25 26 32 40 46 50 52 53 64 65 80 92 100 104 106 115 128 130 160 184 200 208 212 230 260 265 299 320 325 368 400 416 421 424 460 520 530 575 598 640 650 689 736 800 832 842 848 920 1040 1060 1150 1196 1219 1300 1325 1378 1472 1495 1600 1664 1684 1696 1840 2080 2105 2120 2300 2392 2438 2600 2650 2756 2944 2990 3200 3368 3392 3445 3680 4160 4210 4240 4600 4784 4876 5200 5300 5473 5512 5980 6095 6736 6784 6890 7360 7475 8320 8420 8480 9200 9568 9683 9752 10400 10525 10600 10946 11024 11960 12190 13472 13780 14720 14950 15847 16840 16960 17225 18400 19136 19366 19504 20800 21050 21200 21892 22048 22313 23920 24380 26944 27365 27560 29900 30475 31694 33680 33920 34450 36800 38272 38732 39008 41600 42100 42400 43784 44096 44626 47840 48415 48760 53888 54730 55120 59800 60950 63388 67360 68900 73600 77464 78016 79235 84200 84800 87568 88192 89252 95680 96830 97520 109460 110240 111565 119600 121900 125879 126776 134720 136825 137800 154928 156032 158470 168400 169600 175136 178504 191360 193660 195040 218920 220480 223130 239200 242075 243800 251758 253552 269440 273650 275600 290069 309856 316940 336800 350272 357008 387320 390080 396175 437840 440960 446260 478400 484150 487600 503516 507104 513199 547300 551200 557825 580138 619712 629395 633880 673600 700544 714016 774640 780160 792350 875680 892520 956800 968300 975200 1007032 1014208 1026398 1094600 1102400 1115650 1160276 1239424 1258790 1267760 1347200 1428032 1450345 1549280 1584700 1751360 1785040 1936600 1950400 2014064 2028416 2052796 2189200 2204800 2231300 2320552 2517580 2535520 2565995 2856064 2900690 3098560 3146975 3169400 3502720 3570080 3873200 3900800 4028128 4105592 4378400 4462600 4641104 5035160 5071040 5131990 5801380 6197120 6293950 6338800 6671587 7140160 7251725 7746400 8056256 8211184 8756800 8925200 9282208 10070320 10142080 10263980 11602760 12587900 12677600 12829975 13343174 14280320 14503450 15492800 16112512 16422368 17513600 17850400 18564416 20140640 20527960 23205520 25175800 25355200 25659950 26686348 29006900 30985600 32844736 33357935 35700800 37128832 40281280 41055920 46411040 50351600 50710400 51319900 53372696 58013800 65689472 66715870 71401600 80562560 82111840 92822080 100703200 102639800 106745392 116027600 133431740 164223680 166789675 185644160 201406400 205279600 213490784 232055200 266863480 328447360 333579350 402812800 410559200 426981568 464110400 533726960 667158700 821118400 853963136 928220800 1067453920 1334317400 1642236800 2134907840 2668634800 4269815680 5337269600 10674539200 21349078400
- Sum of all divisors σ(n): 60526751040
- Sum of proper divisors (its aliquot sum) s(n): 39177672640
- 21349078400 is an abundant number, because the sum of its proper divisors (39177672640) is greater than itself. Its abundance is 17828594240
Bases of 21349078400
- Binary: 100111110001000000100010101100000002
- Hexadecimal: 0x4F8811580
- Base-36: 9T2OUBK
Squares and roots of 21349078400
- 21349078400 squared (213490784002) is 455783148529346560000
- 21349078400 cubed (213490784003) is 9730550171351864410210304000000
-
The
square root of 21349078400 is 146113.2382777139 -
The
cube root of 21349078400 is 2774.1272433289
Scales and comparisons
How big is 21349078400?- 21,349,078,400 seconds is equal to 678 years, 43 weeks, 2 days, 19 hours, 33 minutes, 20 seconds.
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To count from 1 to 21,349,078,400 would take you about one thousand, three hundred fifty-seven 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 21349078400 cubic inches would be around 231.2 feet tall.
Recreational maths with 21349078400
- 21349078400 backwards is 00487094312
- The number of decimal digits it has is: 11
- The sum of 21349078400's digits is 38
- More coming soon!
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