18079908720
18,079,908,720 is an even composite number composed of five prime numbers multiplied together.
18079908720 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 18079908720:
24 × 3 × 5 × 521 × 144593
(2 × 2 × 2 × 2 × 3 × 5 × 521 × 144593)See below for interesting mathematical facts about the number 18079908720 from the Numbermatics database.
Names of 18079908720
- Cardinal: 18079908720 can be written as Eighteen billion, seventy-nine million, nine hundred eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.807990872 × 1010
Factors of 18079908720
Divisors of 18079908720
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 521 1042 1563 2084 2605 3126 4168 5210 6252 7815 8336 10420 12504 15630 20840 25008 31260 41680 62520 125040 144593 289186 433779 578372 722965 867558 1156744 1445930 1735116 2168895 2313488 2891860 3470232 4337790 5783720 6940464 8675580 11567440 17351160 34702320 75332953 150665906 225998859 301331812 376664765 451997718 602663624 753329530 903995436 1129994295 1205327248 1506659060 1807990872 2259988590 3013318120 3615981744 4519977180 6026636240 9039954360 18079908720
- Sum of all divisors σ(n): 56155682592
- Sum of proper divisors (its aliquot sum) s(n): 38075773872
- 18079908720 is an abundant number, because the sum of its proper divisors (38075773872) is greater than itself. Its abundance is 19995865152
Bases of 18079908720
- Binary: 100001101011010010110000011011100002
- Hexadecimal: 0x435A58370
- Base-36: 8B0B6UO
Squares and roots of 18079908720
- 18079908720 squared (180799087202) is 326883099323532038400
- 18079908720 cubed (180799087203) is 5910016597880153002267534848000
-
The
square root of 18079908720 is 134461.5510843155 -
The
cube root of 18079908720 is 2624.6138192891
Scales and comparisons
How big is 18079908720?- 18,079,908,720 seconds is equal to 574 years, 46 weeks, 4 hours, 52 minutes.
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To count from 1 to 18,079,908,720 would take you about one thousand, one hundred forty-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 18079908720 cubic inches would be around 218.7 feet tall.
Recreational maths with 18079908720
- 18079908720 backwards is 02780997081
- The number of decimal digits it has is: 11
- The sum of 18079908720's digits is 51
- More coming soon!
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