18008164746
18,008,164,746 is an even composite number composed of seven prime numbers multiplied together.
18008164746 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 18008164746:
2 × 32 × 11 × 13 × 137 × 223 × 229
(2 × 3 × 3 × 11 × 13 × 137 × 223 × 229)See below for interesting mathematical facts about the number 18008164746 from the Numbermatics database.
Names of 18008164746
- Cardinal: 18008164746 can be written as Eighteen billion, eight million, one hundred sixty-four thousand, seven hundred forty-six.
Scientific notation
- Scientific notation: 1.8008164746 × 1010
Factors of 18008164746
Divisors of 18008164746
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 6 9 11 13 18 22 26 33 39 66 78 99 117 137 143 198 223 229 234 274 286 411 429 446 458 669 687 822 858 1233 1287 1338 1374 1507 1781 2007 2061 2453 2466 2519 2574 2899 2977 3014 3562 4014 4122 4521 4906 5038 5343 5798 5954 7359 7557 8697 8931 9042 10686 13563 14718 15114 16029 17394 17862 19591 22077 22671 26091 26793 27126 30551 31373 31889 32058 32747 39182 44154 45342 51067 52182 53586 58773 61102 62746 63778 65494 91653 94119 95667 98241 102134 117546 153201 176319 183306 188238 191334 196482 274959 282357 287001 294723 306402 336061 345103 352638 397163 407849 459603 549918 561737 564714 574002 589446 663871 672122 690206 794326 815698 919206 1008183 1035309 1123474 1191489 1223547 1327742 1685211 1991613 2016366 2070618 2382978 2447094 3024549 3105927 3370422 3574467 3670641 3983226 4368793 4486339 5055633 5974839 6049098 6211854 6996179 7148934 7302581 7341282 8737586 8972678 10111266 11949678 13106379 13459017 13992358 14605162 20988537 21907743 26212758 26918034 39319137 40377051 41977074 43815486 62965611 65723229 76957969 78638274 80754102 90950327 125931222 131446458 153915938 181900654 230873907 272850981 461747814 545701962 692621721 818552943 1000453597 1385243442 1637105886 2000907194 3001360791 6002721582 9004082373 18008164746
- Sum of all divisors σ(n): 46583147520
- Sum of proper divisors (its aliquot sum) s(n): 28574982774
- 18008164746 is an abundant number, because the sum of its proper divisors (28574982774) is greater than itself. Its abundance is 10566818028
Bases of 18008164746
- Binary: 100001100010101111011001001100010102
- Hexadecimal: 0x4315EC98A
- Base-36: 89TLGUI
Squares and roots of 18008164746
- 18008164746 squared (180081647462) is 324293997519077244516
- 18008164746 cubed (180081647463) is 5839939733462458297143853032936
-
The
square root of 18008164746 is 134194.5034120251 -
The
cube root of 18008164746 is 2621.1375877889
Scales and comparisons
How big is 18008164746?- 18,008,164,746 seconds is equal to 572 years, 31 weeks, 2 days, 19 hours, 59 minutes, 6 seconds.
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To count from 1 to 18,008,164,746 would take you about one thousand, one 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 18008164746 cubic inches would be around 218.4 feet tall.
Recreational maths with 18008164746
- 18008164746 backwards is 64746180081
- The number of decimal digits it has is: 11
- The sum of 18008164746's digits is 45
- More coming soon!
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