21678334040
21,678,334,040 is an even composite number composed of seven prime numbers multiplied together.
21678334040 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21678334040:
23 × 5 × 11 × 17 × 29 × 372 × 73
(2 × 2 × 2 × 5 × 11 × 17 × 29 × 37 × 37 × 73)See below for interesting mathematical facts about the number 21678334040 from the Numbermatics database.
Names of 21678334040
- Cardinal: 21678334040 can be written as Twenty-one billion, six hundred seventy-eight million, three hundred thirty-four thousand and forty.
Scientific notation
- Scientific notation: 2.167833404 × 1010
Factors of 21678334040
Divisors of 21678334040
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 4 5 8 10 11 17 20 22 29 34 37 40 44 55 58 68 73 74 85 88 110 116 136 145 146 148 170 185 187 220 232 290 292 296 319 340 365 370 374 407 440 493 580 584 629 638 680 730 740 748 803 814 935 986 1073 1160 1241 1258 1276 1369 1460 1480 1496 1595 1606 1628 1870 1972 2035 2117 2146 2465 2482 2516 2552 2701 2738 2920 3145 3190 3212 3256 3740 3944 4015 4070 4234 4292 4930 4964 5032 5365 5402 5423 5476 6205 6290 6380 6424 6845 6919 7480 8030 8140 8468 8584 9860 9928 10585 10730 10804 10846 10952 11803 12410 12580 12760 13505 13651 13690 13838 15059 16060 16280 16936 18241 19720 21170 21460 21608 21692 23273 23287 23606 24820 25160 27010 27115 27302 27380 27676 29711 30118 32120 34595 35989 36482 39701 42340 42920 43384 45917 46546 46574 47212 49640 54020 54230 54604 54760 55352 59015 59422 60236 68255 69190 71978 72964 75295 78329 79402 84680 91205 91834 93092 93148 94424 99937 108040 108460 109208 116365 116435 118030 118844 120472 136510 138380 143956 145928 148555 150590 156658 158804 179945 182410 183668 186184 186296 198505 199874 200651 216920 229585 232730 232870 236060 237688 256003 273020 276760 287912 297110 301180 313316 317608 359890 364820 367336 391645 395879 397010 399748 401302 436711 459170 465460 465740 472120 499685 505087 512006 546040 594220 602360 626632 674917 719780 729640 783290 791758 794020 799496 802604 861619 873422 918340 930920 931480 999370 1003255 1010174 1024012 1099307 1188440 1280015 1331593 1349834 1439560 1566580 1583516 1588040 1605208 1698929 1723238 1746844 1836680 1979395 1998740 2006510 2020348 2048024 2183555 2198614 2525435 2560030 2663186 2699668 2898173 3133160 3167032 3374585 3397858 3446476 3493688 3958790 3997480 4013020 4040696 4308095 4367110 4397228 5050870 5120060 5326372 5399336 5496535 5796346 6657965 6749170 6795716 6892952 7424087 7917580 8026040 8494645 8616190 8734220 8794456 10101740 10240120 10652744 10993070 11592692 13315930 13498340 13591432 14490865 14647523 14848174 15835160 16989290 17232380 17468440 18688219 20203480 21986140 23185384 26631860 26996680 28981730 29295046 29696348 31879903 33978580 34464760 37120435 37376438 43972280 49268941 53263720 57963460 58590092 59392696 63759806 67957160 73237615 74240870 74752876 93441095 98537882 115926920 117180184 127519612 146475230 148481740 149505752 159399515 186882190 197075764 246344705 255039224 292950460 296963480 318799030 373764380 394151528 492689410 541958351 585900920 637598060 747528760 985378820 1083916702 1275196120 1970757640 2167833404 2709791755 4335666808 5419583510 10839167020 21678334040
- Sum of all divisors σ(n): 60721617600
- Sum of proper divisors (its aliquot sum) s(n): 39043283560
- 21678334040 is an abundant number, because the sum of its proper divisors (39043283560) is greater than itself. Its abundance is 17364949520
Bases of 21678334040
- Binary: 101000011000010000100100000010110002
- Hexadecimal: 0x50C212058
- Base-36: 9YIPXLK
Squares and roots of 21678334040
- 21678334040 squared (216783340402) is 469950166749822721600
- 21678334040 cubed (216783340403) is 10187736696956358069626723264000
-
The
square root of 21678334040 is 147235.6412014427 -
The
cube root of 21678334040 is 2788.3158534505
Scales and comparisons
How big is 21678334040?- 21,678,334,040 seconds is equal to 689 years, 15 weeks, 5 days, 15 hours, 27 minutes, 20 seconds.
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To count from 1 to 21,678,334,040 would take you about one thousand, three hundred seventy-eight 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 21678334040 cubic inches would be around 232.4 feet tall.
Recreational maths with 21678334040
- 21678334040 backwards is 04043387612
- The number of decimal digits it has is: 11
- The sum of 21678334040's digits is 38
- More coming soon!
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