21066828090
21,066,828,090 is an even composite number composed of eight prime numbers multiplied together.
21066828090 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21066828090:
2 × 3 × 5 × 7 × 11 × 67 × 79 × 1723
See below for interesting mathematical facts about the number 21066828090 from the Numbermatics database.
Names of 21066828090
- Cardinal: 21066828090 can be written as Twenty-one billion, sixty-six million, eight hundred twenty-eight thousand and ninety.
Scientific notation
- Scientific notation: 2.106682809 × 1010
Factors of 21066828090
Divisors of 21066828090
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 67 70 77 79 105 110 134 154 158 165 201 210 231 237 330 335 385 395 402 462 469 474 553 670 737 770 790 869 938 1005 1106 1155 1185 1407 1474 1659 1723 1738 2010 2211 2310 2345 2370 2607 2765 2814 3318 3446 3685 4345 4422 4690 5159 5169 5214 5293 5530 6083 7035 7370 8295 8615 8690 10318 10338 10586 11055 12061 12166 13035 14070 15477 15879 16590 17230 18249 18953 22110 24122 25795 25845 26070 26465 30415 30954 31758 36183 36498 37051 37906 51590 51690 52930 56859 58223 60305 60830 72366 74102 77385 79395 91245 94765 111153 113718 115441 116446 120610 132671 136117 154770 158790 174669 180915 182490 185255 189530 222306 230882 265342 272234 284295 291115 346323 349338 361830 370510 398013 407561 408351 555765 568590 577205 582230 663355 680585 692646 796026 808087 815122 816702 873345 952819 1111530 1154410 1222683 1269851 1326710 1361170 1497287 1616174 1731615 1746690 1905638 1990065 2037805 2041755 2424261 2445366 2539702 2858457 2994574 3463230 3809553 3980130 4040435 4075610 4083510 4491861 4764095 4848522 5716914 6113415 6349255 7486435 7619106 8080870 8888957 8983722 9119839 9528190 10481009 12121305 12226830 12698510 14292285 14972870 17777914 18239678 19047765 20962018 22459305 24242610 26666871 27359517 28584570 31443027 38095530 44444785 44918610 45599195 52405045 53333742 54719034 62886054 63838873 88889570 91198390 100318229 104810090 127677746 133334355 136797585 157215135 191516619 200636458 266668710 273595170 300954687 314430270 319194365 383033238 501591145 601909374 638388730 702227603 957583095 1003182290 1404455206 1504773435 1915166190 2106682809 3009546870 3511138015 4213365618 7022276030 10533414045 21066828090
- Sum of all divisors σ(n): 64824606720
- Sum of proper divisors (its aliquot sum) s(n): 43757778630
- 21066828090 is an abundant number, because the sum of its proper divisors (43757778630) is greater than itself. Its abundance is 22690950540
Bases of 21066828090
- Binary: 100111001111010111001001001001110102
- Hexadecimal: 0x4E7AE493A
- Base-36: 9OEN8L6
Squares and roots of 21066828090
- 21066828090 squared (210668280902) is 443811245773613048100
- 21066828090 cubed (210668280903) is 9349695219121445142503601129000
-
The
square root of 21066828090 is 145144.1631275609 -
The
cube root of 21066828090 is 2761.8476430701
Scales and comparisons
How big is 21066828090?- 21,066,828,090 seconds is equal to 669 years, 44 weeks, 5 days, 41 minutes, 30 seconds.
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To count from 1 to 21,066,828,090 would take you about one thousand, three 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 21066828090 cubic inches would be around 230.2 feet tall.
Recreational maths with 21066828090
- 21066828090 backwards is 09082866012
- 21066828090 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21066828090's digits is 42
- More coming soon!
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