18990138384
18,990,138,384 is an even composite number composed of five prime numbers multiplied together.
18990138384 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 18990138384:
24 × 32 × 7 × 613 × 83
(2 × 2 × 2 × 2 × 3 × 3 × 7 × 61 × 61 × 61 × 83)See below for interesting mathematical facts about the number 18990138384 from the Numbermatics database.
Names of 18990138384
- Cardinal: 18990138384 can be written as Eighteen billion, nine hundred ninety million, one hundred thirty-eight thousand, three hundred eighty-four.
Scientific notation
- Scientific notation: 1.8990138384 × 1010
Factors of 18990138384
Divisors of 18990138384
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 61 63 72 83 84 112 122 126 144 166 168 183 244 249 252 332 336 366 427 488 498 504 549 581 664 732 747 854 976 996 1008 1098 1162 1281 1328 1464 1494 1708 1743 1992 2196 2324 2562 2928 2988 3416 3486 3721 3843 3984 4392 4648 5063 5124 5229 5976 6832 6972 7442 7686 8784 9296 10126 10248 10458 11163 11952 13944 14884 15189 15372 20252 20496 20916 22326 26047 27888 29768 30378 30744 33489 35441 40504 41832 44652 45567 52094 59536 60756 61488 66978 70882 78141 81008 83664 89304 91134 104188 106323 121512 133956 141764 156282 178608 182268 208376 212646 226981 234423 243024 267912 283528 308843 312564 318969 364536 416752 425292 453962 468846 535824 567056 617686 625128 637938 680943 729072 850584 907924 926529 937692 1235372 1250256 1275876 1361886 1588867 1701168 1815848 1853058 1875384 2042829 2161901 2470744 2551752 2723772 2779587 3177734 3631696 3706116 3750768 4085658 4323802 4766601 4941488 5103504 5447544 5559174 6355468 6485703 7412232 8171316 8647604 9533202 10895088 11118348 12710936 12971406 14299803 14824464 16342632 17295208 18839423 19066404 19457109 22236696 25421872 25942812 28599606 32685264 34590416 37678846 38132808 38914218 44473392 51885624 56518269 57199212 75357692 76265616 77828436 103771248 113036538 114398424 131875961 150715384 155656872 169554807 226073076 228796848 263751922 301430768 311313744 339109614 395627883 452146152 527503844 678219228 791255766 904292304 1055007688 1186883649 1356438456 1582511532 2110015376 2373767298 2712876912 3165023064 4747534596 6330046128 9495069192 18990138384
- Sum of all divisors σ(n): 62494583424
- Sum of proper divisors (its aliquot sum) s(n): 43504445040
- 18990138384 is an abundant number, because the sum of its proper divisors (43504445040) is greater than itself. Its abundance is 24514306656
Bases of 18990138384
- Binary: 100011010111110011010000100000100002
- Hexadecimal: 0x46BE68410
- Base-36: 8Q28KK0
Squares and roots of 18990138384
- 18990138384 squared (189901383842) is 360625355843470131456
- 18990138384 cubed (189901383843) is 6848325412246740839120111407104
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The
square root of 18990138384 is 137804.7110370327 -
The
cube root of 18990138384 is 2667.9399065035
Scales and comparisons
How big is 18990138384?- 18,990,138,384 seconds is equal to 603 years, 43 weeks, 6 hours, 26 minutes, 24 seconds.
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To count from 1 to 18,990,138,384 would take you about one thousand, two hundred seven 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 18990138384 cubic inches would be around 222.3 feet tall.
Recreational maths with 18990138384
- 18990138384 backwards is 48383109981
- The number of decimal digits it has is: 11
- The sum of 18990138384's digits is 54
- More coming soon!
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"Number 18990138384 - Facts about the integer". Numbermatics.com. 2024. Web. 6 May 2024.
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Numbermatics. (2024). Number 18990138384 - Facts about the integer. Retrieved 6 May 2024, from https://numbermatics.com/n/18990138384/
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Numbermatics. 2024. "Number 18990138384 - Facts about the integer". https://numbermatics.com/n/18990138384/
The information we have on file for 18990138384 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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