21279744000
21,279,744,000 is an even composite number composed of four prime numbers multiplied together.
21279744000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21279744000:
213 × 32 × 53 × 2309
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 2309)See below for interesting mathematical facts about the number 21279744000 from the Numbermatics database.
Names of 21279744000
- Cardinal: 21279744000 can be written as Twenty-one billion, two hundred seventy-nine million, seven hundred forty-four thousand.
Scientific notation
- Scientific notation: 2.1279744 × 1010
Factors of 21279744000
Divisors of 21279744000
- Number of divisors d(n): 336
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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 2309 2400 2560 2880 3000 3072 3200 3600 3840 4000 4096 4500 4608 4618 4800 5120 5760 6000 6144 6400 6927 7200 7680 8000 8192 9000 9216 9236 9600 10240 11520 11545 12000 12288 12800 13854 14400 15360 16000 18000 18432 18472 19200 20480 20781 23040 23090 24000 24576 25600 27708 28800 30720 32000 34635 36000 36864 36944 38400 40960 41562 46080 46180 48000 51200 55416 57600 57725 61440 64000 69270 72000 73728 73888 76800 83124 92160 92360 96000 102400 103905 110832 115200 115450 122880 128000 138540 144000 147776 153600 166248 173175 184320 184720 192000 204800 207810 221664 230400 230900 256000 277080 288000 288625 295552 307200 332496 346350 368640 369440 384000 415620 443328 460800 461800 512000 519525 554160 576000 577250 591104 614400 664992 692700 738880 768000 831240 865875 886656 921600 923600 1024000 1039050 1108320 1152000 1154500 1182208 1329984 1385400 1477760 1536000 1662480 1731750 1773312 1843200 1847200 2078100 2216640 2304000 2309000 2364416 2597625 2659968 2770800 2955520 3072000 3324960 3463500 3546624 3694400 4156200 4433280 4608000 4618000 4728832 5195250 5319936 5541600 5911040 6649920 6927000 7093248 7388800 8312400 8866560 9216000 9236000 9457664 10390500 10639872 11083200 11822080 13299840 13854000 14186496 14777600 16624800 17733120 18472000 18915328 20781000 21279744 22166400 23644160 26599680 27708000 28372992 29555200 33249600 35466240 36944000 41562000 42559488 44332800 47288320 53199360 55416000 56745984 59110400 66499200 70932480 73888000 83124000 85118976 88665600 94576640 106398720 110832000 118220800 132998400 141864960 147776000 166248000 170237952 177331200 212797440 221664000 236441600 265996800 283729920 295552000 332496000 354662400 425594880 443328000 472883200 531993600 591104000 664992000 709324800 851189760 886656000 1063987200 1182208000 1329984000 1418649600 1773312000 2127974400 2364416000 2659968000 3546624000 4255948800 5319936000 7093248000 10639872000 21279744000
- Sum of all divisors σ(n): 76749112440
- Sum of proper divisors (its aliquot sum) s(n): 55469368440
- 21279744000 is an abundant number, because the sum of its proper divisors (55469368440) is greater than itself. Its abundance is 34189624440
Bases of 21279744000
- Binary: 100111101000101111100100000000000002
- Hexadecimal: 0x4F45F2000
- Base-36: 9RXERK0
Squares and roots of 21279744000
- 21279744000 squared (212797440002) is 452827504705536000000
- 21279744000 cubed (212797440003) is 9636053376292601462784000000000
-
The
square root of 21279744000 is 145875.7827742495 -
The
cube root of 21279744000 is 2771.1208521185
Scales and comparisons
How big is 21279744000?- 21,279,744,000 seconds is equal to 676 years, 32 weeks, 5 days, 8 hours.
-
To count from 1 to 21,279,744,000 would take you about one thousand, three hundred fifty-three 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 21279744000 cubic inches would be around 230.9 feet tall.
Recreational maths with 21279744000
- 21279744000 backwards is 00044797212
- 21279744000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21279744000's digits is 36
- More coming soon!
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