18129466368
18,129,466,368 is an even composite number composed of four prime numbers multiplied together.
18129466368 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred ninety-eight divisors.
Prime factorization of 18129466368:
210 × 32 × 13 × 3892
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 389 × 389)See below for interesting mathematical facts about the number 18129466368 from the Numbermatics database.
Names of 18129466368
- Cardinal: 18129466368 can be written as Eighteen billion, one hundred twenty-nine million, four hundred sixty-six thousand, three hundred sixty-eight.
Scientific notation
- Scientific notation: 1.8129466368 × 1010
Factors of 18129466368
Divisors of 18129466368
- Number of divisors d(n): 198
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 256 288 312 384 389 416 468 512 576 624 768 778 832 936 1024 1152 1167 1248 1536 1556 1664 1872 2304 2334 2496 3072 3112 3328 3501 3744 4608 4668 4992 5057 6224 6656 7002 7488 9216 9336 9984 10114 12448 13312 14004 14976 15171 18672 19968 20228 24896 28008 29952 30342 37344 39936 40456 45513 49792 56016 59904 60684 74688 80912 91026 99584 112032 119808 121368 149376 151321 161824 182052 199168 224064 242736 298752 302642 323648 364104 398336 448128 453963 485472 597504 605284 647296 728208 896256 907926 970944 1195008 1210568 1294592 1361889 1456416 1792512 1815852 1941888 1967173 2421136 2589184 2723778 2912832 3585024 3631704 3883776 3934346 4842272 5178368 5447556 5825664 5901519 7263408 7767552 7868692 9684544 10895112 11651328 11803038 14526816 15535104 15737384 17704557 19369088 21790224 23302656 23606076 29053632 31474768 35409114 38738176 43580448 46605312 47212152 58107264 62949536 70818228 77476352 87160896 94424304 116214528 125899072 141636456 154952704 174321792 188848608 232429056 251798144 283272912 348643584 377697216 464858112 503596288 566545824 697287168 755394432 1007192576 1133091648 1394574336 1510788864 2014385152 2266183296 3021577728 4532366592 6043155456 9064733184 18129466368
- Sum of all divisors σ(n): 56520539894
- Sum of proper divisors (its aliquot sum) s(n): 38391073526
- 18129466368 is an abundant number, because the sum of its proper divisors (38391073526) is greater than itself. Its abundance is 20261607158
Bases of 18129466368
- Binary: 100001110001001100110110100000000002
- Hexadecimal: 0x43899B400
- Base-36: 8BTTDS0
Squares and roots of 18129466368
- 18129466368 squared (181294663682) is 328677550788443111424
- 18129466368 cubed (181294663683) is 5958748602935691271642684588032
-
The
square root of 18129466368 is 134645.7068309273 -
The
cube root of 18129466368 is 2627.0096836455
Scales and comparisons
How big is 18129466368?- 18,129,466,368 seconds is equal to 576 years, 23 weeks, 6 days, 18 hours, 52 minutes, 48 seconds.
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To count from 1 to 18,129,466,368 would take you about one thousand, one hundred fifty-two 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 18129466368 cubic inches would be around 218.9 feet tall.
Recreational maths with 18129466368
- 18129466368 backwards is 86366492181
- The number of decimal digits it has is: 11
- The sum of 18129466368's digits is 54
- More coming soon!
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