218768121
218,768,121 is an odd composite number composed of five prime numbers multiplied together.
218768121 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 218768121:
34 × 112 × 13 × 17 × 101
(3 × 3 × 3 × 3 × 11 × 11 × 13 × 17 × 101)See below for interesting mathematical facts about the number 218768121 from the Numbermatics database.
Names of 218768121
- Cardinal: 218768121 can be written as Two hundred eighteen million, seven hundred sixty-eight thousand, one hundred twenty-one.
Scientific notation
- Scientific notation: 2.18768121 × 108
Factors of 218768121
Divisors of 218768121
- Number of divisors d(n): 120
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Complete list of divisors:
1 3 9 11 13 17 27 33 39 51 81 99 101 117 121 143 153 187 221 297 303 351 363 429 459 561 663 891 909 1053 1089 1111 1287 1313 1377 1573 1683 1717 1989 2057 2431 2727 3267 3333 3861 3939 4719 5049 5151 5967 6171 7293 8181 9801 9999 11583 11817 12221 14157 14443 15147 15453 17901 18513 18887 21879 22321 26741 29997 35451 36663 42471 43329 46359 55539 56661 65637 66963 80223 89991 106353 109989 127413 129987 139077 158873 166617 169983 196911 200889 207757 240669 245531 329967 389961 476619 509949 602667 623271 722007 736593 989901 1169883 1429857 1529847 1808001 1869813 2166021 2209779 2700841 4289571 5609439 6629337 8102523 12868713 16828317 19888011 24307569 72922707 218768121
- Sum of all divisors σ(n): 413654472
- Sum of proper divisors (its aliquot sum) s(n): 194886351
- 218768121 is a deficient number, because the sum of its proper divisors (194886351) is less than itself. Its deficiency is 23881770
Bases of 218768121
- Binary: 11010000101000100010111110012
- Hexadecimal: 0xD0A22F9
- Base-36: 3M8YK9
Squares and roots of 218768121
- 218768121 squared (2187681212) is 47859490765870641
- 218768121 cubed (2187681213) is 10470130866866371060635561
-
The
square root of 218768121 is 14790.8120466727 -
The
cube root of 218768121 is 602.5522033703
Scales and comparisons
How big is 218768121?- 218,768,121 seconds is equal to 6 years, 49 weeks, 5 days, 55 minutes, 21 seconds.
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To count from 1 to 218,768,121 would take you about ten 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 218768121 cubic inches would be around 50.2 feet tall.
Recreational maths with 218768121
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