21038716346640
21,038,716,346,640 is an even composite number composed of six prime numbers multiplied together.
21038716346640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21038716346640:
24 × 3 × 5 × 23 × 257 × 38512
(2 × 2 × 2 × 2 × 3 × 5 × 23 × 257 × 3851 × 3851)See below for interesting mathematical facts about the number 21038716346640 from the Numbermatics database.
Names of 21038716346640
- Cardinal: 21038716346640 can be written as Twenty-one trillion, thirty-eight billion, seven hundred sixteen million, three hundred forty-six thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.103871634664 × 1013
Factors of 21038716346640
Divisors of 21038716346640
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 40 46 48 60 69 80 92 115 120 138 184 230 240 257 276 345 368 460 514 552 690 771 920 1028 1104 1285 1380 1542 1840 2056 2570 2760 3084 3851 3855 4112 5140 5520 5911 6168 7702 7710 10280 11553 11822 12336 15404 15420 17733 19255 20560 23106 23644 29555 30808 30840 35466 38510 46212 47288 57765 59110 61616 61680 70932 77020 88573 88665 92424 94576 115530 118220 141864 154040 177146 177330 184848 231060 236440 265719 283728 308080 354292 354660 442865 462120 472880 531438 708584 709320 885730 924240 989707 1062876 1328595 1417168 1418640 1771460 1979414 2125752 2657190 2969121 3542920 3958828 4251504 4948535 5314380 5938242 7085840 7917656 9897070 10628760 11876484 14830201 14845605 15835312 19794140 21257520 22763261 23752968 29660402 29691210 39588280 44490603 45526522 47505936 59320804 59382420 68289783 74151005 79176560 88981206 91053044 113816305 118641608 118764840 136579566 148302010 177962412 182106088 222453015 227632610 237283216 237529680 273159132 296604020 341094623 341448915 355924824 364212176 444906030 455265220 546318264 593208040 682189246 682897830 711849648 889812060 910530440 1023283869 1092636528 1186416080 1364378492 1365795660 1705473115 1779624120 1821060880 2046567738 2728756984 2731591320 3410946230 3559248240 3811361657 4093135476 5116419345 5457513968 5463182640 6821892460 7622723314 8186270952 10232838690 11434084971 13643784920 15245446628 16372541904 19056808285 20465677380 22868169942 27287569840 30490893256 38113616570 40931354760 45736339884 57170424855 60981786512 76227233140 81862709520 87661318111 91472679768 114340849710 152454466280 175322636222 182945359536 228681699420 262983954333 304908932560 350645272444 438306590555 457363398840 525967908666 701290544888 876613181110 914726797680 1051935817332 1314919771665 1402581089776 1753226362220 2103871634664 2629839543330 3506452724440 4207743269328 5259679086660 7012905448880 10519358173320 21038716346640
- Sum of all divisors σ(n): 68338227394944
- Sum of proper divisors (its aliquot sum) s(n): 47299511048304
- 21038716346640 is an abundant number, because the sum of its proper divisors (47299511048304) is greater than itself. Its abundance is 26260794701664
Bases of 21038716346640
- Binary: 1001100100010011101010011011011100001000100002
- Hexadecimal: 0x13227536E110
- Base-36: 7GH1WIBYO
Squares and roots of 21038716346640
- 21038716346640 squared (210387163466402) is 442627585514377148639289600
- 21038716346640 cubed (210387163466403) is 9312316218835120989815495140476946944000
-
The
square root of 21038716346640 is 4586798.0494719843 -
The
cube root of 21038716346640 is 27606.1861906347
Scales and comparisons
How big is 21038716346640?- 21,038,716,346,640 seconds is equal to 668,966 years, 5 weeks, 2 days, 10 hours, 4 minutes.
-
To count from 1 to 21,038,716,346,640 would take you about one million, six hundred seventy-two thousand, four hundred fifteen 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 21038716346640 cubic inches would be around 2300.5 feet tall.
Recreational maths with 21038716346640
- 21038716346640 backwards is 04664361783012
- The number of decimal digits it has is: 14
- The sum of 21038716346640's digits is 51
- More coming soon!
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