18138688000
18,138,688,000 is an even composite number composed of four prime numbers multiplied together.
18138688000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 18138688000:
29 × 53 × 292 × 337
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 29 × 29 × 337)See below for interesting mathematical facts about the number 18138688000 from the Numbermatics database.
Names of 18138688000
- Cardinal: 18138688000 can be written as Eighteen billion, one hundred thirty-eight million, six hundred eighty-eight thousand.
Scientific notation
- Scientific notation: 1.8138688 × 1010
Factors of 18138688000
Divisors of 18138688000
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 29 32 40 50 58 64 80 100 116 125 128 145 160 200 232 250 256 290 320 337 400 464 500 512 580 640 674 725 800 841 928 1000 1160 1280 1348 1450 1600 1682 1685 1856 2000 2320 2560 2696 2900 3200 3364 3370 3625 3712 4000 4205 4640 5392 5800 6400 6728 6740 7250 7424 8000 8410 8425 9280 9773 10784 11600 12800 13456 13480 14500 14848 16000 16820 16850 18560 19546 21025 21568 23200 26912 26960 29000 32000 33640 33700 37120 39092 42050 42125 43136 46400 48865 53824 53920 58000 64000 67280 67400 74240 78184 84100 84250 86272 92800 97730 105125 107648 107840 116000 134560 134800 156368 168200 168500 172544 185600 195460 210250 215296 215680 232000 244325 269120 269600 283417 312736 336400 337000 371200 390920 420500 430592 431360 464000 488650 538240 539200 566834 625472 672800 674000 781840 841000 862720 928000 977300 1076480 1078400 1133668 1221625 1250944 1345600 1348000 1417085 1563680 1682000 1856000 1954600 2152960 2156800 2267336 2443250 2501888 2691200 2696000 2834170 3127360 3364000 3909200 4313600 4534672 4886500 5003776 5382400 5392000 5668340 6254720 6728000 7085425 7818400 9069344 9773000 10764800 10784000 11336680 12509440 13456000 14170850 15636800 18138688 19546000 21568000 22673360 25018880 26912000 28341700 31273600 35427125 36277376 39092000 45346720 53824000 56683400 62547200 70854250 72554752 78184000 90693440 113366800 125094400 141708500 145109504 156368000 181386880 226733600 283417000 312736000 362773760 453467200 566834000 625472000 725547520 906934400 1133668000 1813868800 2267336000 3627737600 4534672000 9069344000 18138688000
- Sum of all divisors σ(n): 46982388024
- Sum of proper divisors (its aliquot sum) s(n): 28843700024
- 18138688000 is an abundant number, because the sum of its proper divisors (28843700024) is greater than itself. Its abundance is 10705012024
Bases of 18138688000
- Binary: 100001110010010011001101010000000002
- Hexadecimal: 0x439266A00
- Base-36: 8BZB18G
Squares and roots of 18138688000
- 18138688000 squared (181386880002) is 329012002361344000000
- 18138688000 cubed (181386880003) is 5967846059087682076672000000000
-
The
square root of 18138688000 is 134679.9465399359 -
The
cube root of 18138688000 is 2627.4550214507
Scales and comparisons
How big is 18138688000?- 18,138,688,000 seconds is equal to 576 years, 39 weeks, 1 day, 12 hours, 26 minutes, 40 seconds.
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To count from 1 to 18,138,688,000 would take you about one thousand, one 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 18138688000 cubic inches would be around 219 feet tall.
Recreational maths with 18138688000
- 18138688000 backwards is 00088683181
- The number of decimal digits it has is: 11
- The sum of 18138688000's digits is 43
- More coming soon!
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