640438894720000
640,438,894,720,000 is an even composite number composed of four prime numbers multiplied together.
What does the number 640438894720000 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 440 divisors.
640438894720000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of four hundred forty divisors.
Prime factorization of 640438894720000:
210 × 54 × 17 × 3893
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 17 × 389 × 389 × 389)See below for interesting mathematical facts about the number 640438894720000 from the Numbermatics database.
Names of 640438894720000
- Cardinal: 640438894720000 can be written as Six hundred forty trillion, four hundred thirty-eight billion, eight hundred ninety-four million, seven hundred twenty thousand.
Scientific notation
- Scientific notation: 6.4043889472 × 1014
Factors of 640438894720000
Divisors of 640438894720000
- Number of divisors d(n): 440
-
Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 125 128 136 160 170 200 250 256 272 320 340 389 400 425 500 512 544 625 640 680 778 800 850 1000 1024 1088 1250 1280 1360 1556 1600 1700 1945 2000 2125 2176 2500 2560 2720 3112 3200 3400 3890 4000 4250 4352 5000 5120 5440 6224 6400 6613 6800 7780 8000 8500 8704 9725 10000 10625 10880 12448 12800 13226 13600 15560 16000 17000 17408 19450 20000 21250 21760 24896 25600 26452 27200 31120 32000 33065 34000 38900 40000 42500 43520 48625 49792 52904 54400 62240 64000 66130 68000 77800 80000 85000 87040 97250 99584 105808 108800 124480 128000 132260 136000 151321 155600 160000 165325 170000 194500 199168 211616 217600 243125 248960 264520 272000 302642 311200 320000 330650 340000 389000 398336 423232 435200 486250 497920 529040 544000 605284 622400 640000 661300 680000 756605 778000 826625 846464 972500 995840 1058080 1088000 1210568 1244800 1322600 1360000 1513210 1556000 1653250 1692928 1945000 1991680 2116160 2176000 2421136 2489600 2572457 2645200 2720000 3026420 3112000 3306500 3385856 3783025 3890000 4133125 4232320 4842272 4979200 5144914 5290400 5440000 6052840 6224000 6613000 6771712 7566050 7780000 8266250 8464640 9684544 9958400 10289828 10580800 10880000 12105680 12448000 12862285 13226000 15132100 15560000 16532500 16929280 18915125 19369088 20579656 21161600 24211360 24896000 25724570 26452000 30264200 31120000 33065000 33858560 37830250 38738176 41159312 42323200 48422720 49792000 51449140 52904000 58863869 60528400 62240000 64311425 66130000 75660500 77476352 82318624 84646400 94575625 96845440 102898280 105808000 117727738 121056800 124480000 128622850 132260000 151321000 154952704 164637248 169292800 189151250 193690880 205796560 211616000 235455476 242113600 248960000 257245700 264520000 294319345 302642000 321557125 329274496 378302500 387381760 411593120 423232000 470910952 484227200 514491400 529040000 588638690 605284000 643114250 658548992 756605000 774763520 823186240 846464000 941821904 968454400 1000685773 1028982800 1058080000 1177277380 1210568000 1286228500 1317097984 1471596725 1513210000 1607785625 1646372480 1883643808 1936908800 2001371546 2057965600 2116160000 2354554760 2421136000 2572457000 2634195968 2943193450 3026420000 3215571250 3292744960 3767287616 3873817600 4002743092 4115931200 4232320000 4709109520 4842272000 5003428865 5144914000 5886386900 6052840000 6431142500 6585489920 7357983625 7534575232 8005486184 8231862400 9418219040 9684544000 10006857730 10289828000 11772773800 12105680000 12862285000 13170979840 14715967250 15069150464 16010972368 16463724800 18836438080 19369088000 20013715460 20579656000 23545547600 24211360000 25017144325 25724570000 29431934500 30138300928 32021944736 32927449600 36789918125 37672876160 40027430920 41159312000 47091095200 48422720000 50034288650 51449140000 58863869000 60276601856 64043889472 65854899200 73579836250 75345752320 80054861840 82318624000 94182190400 96845440000 100068577300 102898280000 117727738000 125085721625 128087778944 147159672500 150691504640 160109723680 164637248000 188364380800 200137154600 205796560000 235455476000 250171443250 256175557888 294319345000 301383009280 320219447360 329274496000 376728761600 400274309200 411593120000 470910952000 500342886500 512351115776 588638690000 625428608125 640438894720 753457523200 800548618400 823186240000 941821904000 1000685773000 1024702231552 1177277380000 1250857216250 1280877789440 1506915046400 1601097236800 1646372480000 1883643808000 2001371546000 2354554760000 2501714432500 2561755578880 3202194473600 3767287616000 4002743092000 4709109520000 5003428865000 5123511157760 6404388947200 7534575232000 8005486184000 9418219040000 10006857730000 12808777894400 16010972368000 18836438080000 20013715460000 25617555788800 32021944736000 37672876160000 40027430920000 64043889472000 80054861840000 128087778944000 160109723680000 320219447360000 640438894720000
- Sum of all divisors σ(n): 1698275175391080
- Sum of proper divisors (its aliquot sum) s(n): 1057836280671080
- 640438894720000 is an abundant number, because the sum of its proper divisors (1057836280671080) is greater than itself. Its abundance is 417397385951080
Bases of 640438894720000
- Binary: 100100011001111001110011001101000111110100000000002
- Hexadecimal: 0x24679CCD1F400
- Base-36: 6B0LKE9V5S
Squares and roots of 640438894720000
- 640438894720000 squared (6404388947200002) is 410161977870175243878400000000
- 640438894720000 cubed (6404388947200003) is 262683683763344132842188942082048000000000000
-
The
square root of 640438894720000 is 25306894.2132376251 -
The
cube root of 640438894720000 is 86197.0824750995
Scales and comparisons
How big is 640438894720000?- 640,438,894,720,000 seconds is equal to 20,363,975 years, 43 weeks, 6 days, 9 hours, 46 minutes, 40 seconds.
-
To count from 1 to 640,438,894,720,000 would take you about fifty million, nine hundred nine thousand, nine hundred thirty-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 640438894720000 cubic inches would be around 7183.1 feet tall.
Recreational maths with 640438894720000
- 640438894720000 backwards is 000027498834046
- The number of decimal digits it has is: 15
- The sum of 640438894720000's digits is 55
- More coming soon!
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