21155328000
21,155,328,000 is an even composite number composed of four prime numbers multiplied together.
21155328000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred twelve divisors.
Prime factorization of 21155328000:
212 × 32 × 53 × 4591
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 4591)See below for interesting mathematical facts about the number 21155328000 from the Numbermatics database.
Names of 21155328000
- Cardinal: 21155328000 can be written as Twenty-one billion, one hundred fifty-five million, three hundred twenty-eight thousand.
Scientific notation
- Scientific notation: 2.1155328 × 1010
Factors of 21155328000
Divisors of 21155328000
- Number of divisors d(n): 312
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 125 128 144 150 160 180 192 200 225 240 250 256 288 300 320 360 375 384 400 450 480 500 512 576 600 640 720 750 768 800 900 960 1000 1024 1125 1152 1200 1280 1440 1500 1536 1600 1800 1920 2000 2048 2250 2304 2400 2560 2880 3000 3072 3200 3600 3840 4000 4096 4500 4591 4608 4800 5120 5760 6000 6144 6400 7200 7680 8000 9000 9182 9216 9600 10240 11520 12000 12288 12800 13773 14400 15360 16000 18000 18364 18432 19200 20480 22955 23040 24000 25600 27546 28800 30720 32000 36000 36728 36864 38400 41319 45910 46080 48000 51200 55092 57600 61440 64000 68865 72000 73456 76800 82638 91820 92160 96000 102400 110184 114775 115200 128000 137730 144000 146912 153600 165276 183640 184320 192000 206595 220368 229550 230400 256000 275460 288000 293824 307200 330552 344325 367280 384000 413190 440736 459100 460800 512000 550920 573875 576000 587648 661104 688650 734560 768000 826380 881472 918200 921600 1032975 1101840 1147750 1152000 1175296 1322208 1377300 1469120 1536000 1652760 1721625 1762944 1836400 2065950 2203680 2295500 2304000 2350592 2644416 2754600 2938240 3305520 3443250 3525888 3672800 4131900 4407360 4591000 4608000 4701184 5164875 5288832 5509200 5876480 6611040 6886500 7051776 7345600 8263800 8814720 9182000 9402368 10329750 10577664 11018400 11752960 13222080 13773000 14103552 14691200 16527600 17629440 18364000 18804736 20659500 21155328 22036800 23505920 26444160 27546000 28207104 29382400 33055200 35258880 36728000 41319000 42310656 44073600 47011840 52888320 55092000 56414208 58764800 66110400 70517760 73456000 82638000 84621312 88147200 94023680 105776640 110184000 117529600 132220800 141035520 146912000 165276000 169242624 176294400 211553280 220368000 235059200 264441600 282071040 293824000 330552000 352588800 423106560 440736000 470118400 528883200 587648000 661104000 705177600 846213120 881472000 1057766400 1175296000 1322208000 1410355200 1762944000 2115532800 2350592000 2644416000 3525888000 4231065600 5288832000 7051776000 10577664000 21155328000
- Sum of all divisors σ(n): 76279310016
- Sum of proper divisors (its aliquot sum) s(n): 55123982016
- 21155328000 is an abundant number, because the sum of its proper divisors (55123982016) is greater than itself. Its abundance is 33968654016
Bases of 21155328000
- Binary: 100111011001111010010110000000000002
- Hexadecimal: 0x4ECF4B000
- Base-36: 9PVC3K0
Squares and roots of 21155328000
- 21155328000 squared (211553280002) is 447547902787584000000
- 21155328000 cubed (211553280003) is 9468022679183453847552000000000
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The
square root of 21155328000 is 145448.7126103219 -
The
cube root of 21155328000 is 2765.7096672347
Scales and comparisons
How big is 21155328000?- 21,155,328,000 seconds is equal to 672 years, 35 weeks, 8 hours.
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To count from 1 to 21,155,328,000 would take you about one thousand, three hundred forty-five 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 21155328000 cubic inches would be around 230.5 feet tall.
Recreational maths with 21155328000
- 21155328000 backwards is 00082355112
- The number of decimal digits it has is: 11
- The sum of 21155328000's digits is 27
- More coming soon!
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The information we have on file for 21155328000 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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