21384944978991312320
21,384,944,978,991,312,320 is an even composite number composed of six prime numbers multiplied together.
21384944978991312320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 21384944978991312320:
26 × 5 × 7 × 15907 × 124847 × 4807217
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 15907 × 124847 × 4807217)See below for interesting mathematical facts about the number 21384944978991312320 from the Numbermatics database.
Names of 21384944978991312320
- Cardinal: 21384944978991312320 can be written as Twenty-one quintillion, three hundred eighty-four quadrillion, nine hundred forty-four trillion, nine hundred seventy-eight billion, nine hundred ninety-one million, three hundred twelve thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.138494497899131232 × 1019
Factors of 21384944978991312320
Divisors of 21384944978991312320
- Number of divisors d(n): 224
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 15907 31814 63628 79535 111349 124847 127256 159070 222698 249694 254512 318140 445396 499388 509024 556745 624235 636280 873929 890792 998776 1018048 1113490 1248470 1272560 1747858 1781584 1997552 2226980 2496940 2545120 3495716 3563168 3995104 4369645 4453960 4807217 4993880 5090240 6991432 7126336 7990208 8739290 8907920 9614434 9987760 13982864 17478580 17815840 19228868 19975520 24036085 27965728 33650519 34957160 35631680 38457736 39951040 48072170 55931456 67301038 69914320 76915472 96144340 134602076 139828640 153830944 168252595 192288680 269204152 279657280 307661888 336505190 384577360 538408304 673010380 769154720 1076816608 1346020760 1538309440 1985941229 2153633216 2692041520 3971882458 5384083040 7943764916 9929706145 10768166080 13901588603 15887529832 19859412290 27803177206 31775059664 39718824580 55606354412 63550119328 69507943015 76468400819 79437649160 111212708824 127100238656 139015886030 152936801638 158875298320 222425417648 278031772060 305873603276 317750596640 382342004095 444850835296 535278805733 556063544120 600166620799 611747206552 635501193280 764684008190 889701670592 1070557611466 1112127088240 1200333241598 1223494413104 1529368016380 2141115222932 2224254176480 2400666483196 2446988826208 2676394028665 3000833103995 3058736032760 4201166345593 4282230445864 4448508352960 4801332966392 4893977652416 5352788057330 6001666207990 6117472065520 8402332691186 8564460891728 9602665932784 10705576114660 12003332415980 12234944131040 16804665382372 17128921783456 19205331865568 21005831727965 21411152229320 24006664831960 24469888262080 33609330764744 34257843566912 38410663731136 42011663455930 42822304458640 48013329663920 67218661529488 84023326911860 85644608917280 96026659327840 134437323058976 168046653823720 171289217834560 192053318655680 268874646117952 336093307647440 672186615294880 1344373230589760 9546850437049693 19093700874099386 38187401748198772 47734252185248465 66827953059347851 76374803496397544 95468504370496930 133655906118695702 152749606992795088 190937008740993860 267311812237391404 305499213985590176 334139765296739255 381874017481987720 534623624474782808 610998427971180352 668279530593478510 763748034963975440 1069247248949565616 1336559061186957020 1527496069927950880 2138494497899131232 2673118122373914040 3054992139855901760 4276988995798262464 5346236244747828080 10692472489495656160 21384944978991312320
- Sum of all divisors σ(n): 58201737167807281152
- Sum of proper divisors (its aliquot sum) s(n): 36816792188815968832
- 21384944978991312320 is an abundant number, because the sum of its proper divisors (36816792188815968832) is greater than itself. Its abundance is 15431847209824656512
Bases of 21384944978991312320
- Binary: 100101000110001101001011000100111111101100000110011101101110000002
- Hexadecimal: 0x128C69627F60CEDC0
- Base-36: 4IH0QBNZA9VI8
Squares and roots of 21384944978991312320
- 21384944978991312320 squared (213849449789913123202) is 457315871754485739323409758035783782400
- 21384944978991312320 cubed (213849449789913123203) is 9779674755489124717918530351599134099277816251549319168000
-
The
square root of 21384944978991312320 is 4624385902.9055211755 -
The
cube root of 21384944978991312320 is 2775679.8909366339
Scales and comparisons
How big is 21384944978991312320?- 21,384,944,978,991,312,320 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
-
To count from 1 to 21,384,944,978,991,312,320 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 21384944978991312320 cubic inches would be around 231306.7 feet tall.
Recreational maths with 21384944978991312320
- 21384944978991312320 backwards is 02321319987944948312
- The number of decimal digits it has is: 20
- The sum of 21384944978991312320's digits is 89
- More coming soon!
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