18138065251798640
18,138,065,251,798,640 is an even composite number composed of five prime numbers multiplied together.
18138065251798640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 18138065251798640:
24 × 5 × 19 × 1499 × 7960598843
(2 × 2 × 2 × 2 × 5 × 19 × 1499 × 7960598843)See below for interesting mathematical facts about the number 18138065251798640 from the Numbermatics database.
Names of 18138065251798640
- Cardinal: 18138065251798640 can be written as Eighteen quadrillion, one hundred thirty-eight trillion, sixty-five billion, two hundred fifty-one million, seven hundred ninety-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.813806525179864 × 1016
Factors of 18138065251798640
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 8
- Sum of prime factors: 7960600368
Divisors of 18138065251798640
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1499 1520 2998 5996 7495 11992 14990 23984 28481 29980 56962 59960 113924 119920 142405 227848 284810 455696 569620 1139240 2278480 7960598843 15921197686 31842395372 39802994215 63684790744 79605988430 127369581488 151251378017 159211976860 302502756034 318423953720 605005512068 636847907440 756256890085 1210011024136 1512513780170 2420022048272 3025027560340 6050055120680 11932937665657 12100110241360 23865875331314 47731750662628 59664688328285 95463501325256 119329376656570 190927002650512 226725815647483 238658753313140 453451631294966 477317506626280 906903262589932 954635013252560 1133629078237415 1813806525179864 2267258156474830 3627613050359728 4534516312949660 9069032625899320 18138065251798640
- Sum of all divisors σ(n): 44420141549520000
- Sum of proper divisors (its aliquot sum) s(n): 26282076297721360
- 18138065251798640 is an abundant number, because the sum of its proper divisors (26282076297721360) is greater than itself. Its abundance is 8144011045922720
Bases of 18138065251798640
- Binary: 10000000111000001111001011010000011111100001110011100002
- Hexadecimal: 0x407079683F0E70
- Base-36: 4YLEO57YCFK
Squares and roots of 18138065251798640
- 18138065251798640 squared (181380652517986402) is 328989411078505261865755105849600
- 18138065251798640 cubed (181380652517986403) is 5967231405292734826531645554622923249985324544000
-
The
square root of 18138065251798640 is 134677634.5641645133 -
The
cube root of 18138065251798640 is 262742.4951991567
Scales and comparisons
How big is 18138065251798640?- 18,138,065,251,798,640 seconds is equal to 576,734,370 years, 14 weeks, 6 days, 16 hours, 57 minutes, 20 seconds.
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To count from 1 to 18,138,065,251,798,640 would take you about one billion, seven hundred thirty million, two hundred three thousand, one hundred ten 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 18138065251798640 cubic inches would be around 21895.2 feet tall.
Recreational maths with 18138065251798640
- 18138065251798640 backwards is 04689715256083181
- The number of decimal digits it has is: 17
- The sum of 18138065251798640's digits is 74
- More coming soon!
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