18385720416
18,385,720,416 is an even composite number composed of four prime numbers multiplied together.
18385720416 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 18385720416:
25 × 33 × 72 × 6592
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 7 × 659 × 659)See below for interesting mathematical facts about the number 18385720416 from the Numbermatics database.
Names of 18385720416
- Cardinal: 18385720416 can be written as Eighteen billion, three hundred eighty-five million, seven hundred twenty thousand, four hundred sixteen.
Scientific notation
- Scientific notation: 1.8385720416 × 1010
Factors of 18385720416
Divisors of 18385720416
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 84 96 98 108 112 126 144 147 168 189 196 216 224 252 288 294 336 378 392 432 441 504 588 659 672 756 784 864 882 1008 1176 1318 1323 1512 1568 1764 1977 2016 2352 2636 2646 3024 3528 3954 4613 4704 5272 5292 5931 6048 7056 7908 9226 10544 10584 11862 13839 14112 15816 17793 18452 21088 21168 23724 27678 31632 32291 35586 36904 41517 42336 47448 55356 63264 64582 71172 73808 83034 94896 96873 110712 124551 129164 142344 147616 166068 189792 193746 221424 249102 258328 284688 290619 332136 387492 434281 442848 498204 516656 569376 581238 664272 774984 868562 871857 996408 1033312 1162476 1302843 1328544 1549968 1737124 1743714 1992816 2324952 2605686 3039967 3099936 3474248 3487428 3908529 3985632 4649904 5211372 6079934 6948496 6974856 7817058 9119901 9299808 10422744 11725587 12159868 13896992 13949712 15634116 18239802 20845488 21279769 23451174 24319736 27359703 27899424 31268232 36479604 41690976 42559538 46902348 48639472 54719406 62536464 63839307 72959208 82079109 85119076 93804696 97278944 109438812 125072928 127678614 145918416 164158218 170238152 187609392 191517921 218877624 255357228 291836832 328316436 340476304 375218784 383035842 437755248 510714456 574553763 656632872 680952608 766071684 875510496 1021428912 1149107526 1313265744 1532143368 2042857824 2298215052 2626531488 3064286736 4596430104 6128573472 9192860208 18385720416
- Sum of all divisors σ(n): 62474925240
- Sum of proper divisors (its aliquot sum) s(n): 44089204824
- 18385720416 is an abundant number, because the sum of its proper divisors (44089204824) is greater than itself. Its abundance is 25703484408
Bases of 18385720416
- Binary: 100010001111101111111010100011000002
- Hexadecimal: 0x447DFD460
- Base-36: 8G2DSO0
Squares and roots of 18385720416
- 18385720416 squared (183857204162) is 338034715215319213056
- 18385720416 cubed (183857204163) is 6215011764851040291440752951296
-
The
square root of 18385720416 is 135593.9542015057 -
The
cube root of 18385720416 is 2639.3291270539
Scales and comparisons
How big is 18385720416?- 18,385,720,416 seconds is equal to 584 years, 31 weeks, 4 days, 16 hours, 33 minutes, 36 seconds.
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To count from 1 to 18,385,720,416 would take you about one thousand, one hundred sixty-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 18385720416 cubic inches would be around 219.9 feet tall.
Recreational maths with 18385720416
- 18385720416 backwards is 61402758381
- The number of decimal digits it has is: 11
- The sum of 18385720416's digits is 45
- More coming soon!
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