18079990020
18,079,990,020 is an even composite number composed of five prime numbers multiplied together.
18079990020 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 18079990020:
22 × 33 × 5 × 4447 × 7529
(2 × 2 × 3 × 3 × 3 × 5 × 4447 × 7529)See below for interesting mathematical facts about the number 18079990020 from the Numbermatics database.
Names of 18079990020
- Cardinal: 18079990020 can be written as Eighteen billion, seventy-nine million, nine hundred ninety thousand and twenty.
Scientific notation
- Scientific notation: 1.807999002 × 1010
Factors of 18079990020
Divisors of 18079990020
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 4447 7529 8894 13341 15058 17788 22235 22587 26682 30116 37645 40023 44470 45174 53364 66705 67761 75290 80046 88940 90348 112935 120069 133410 135522 150580 160092 200115 203283 225870 240138 266820 271044 338805 400230 406566 451740 480276 600345 677610 800460 813132 1016415 1200690 1355220 2032830 2401380 4065660 33481463 66962926 100444389 133925852 167407315 200888778 301333167 334814630 401777556 502221945 602666334 669629260 903999501 1004443890 1205332668 1506665835 1807999002 2008887780 3013331670 3615998004 4519997505 6026663340 9039995010 18079990020
- Sum of all divisors σ(n): 56268979200
- Sum of proper divisors (its aliquot sum) s(n): 38188989180
- 18079990020 is an abundant number, because the sum of its proper divisors (38188989180) is greater than itself. Its abundance is 20108999160
Bases of 18079990020
- Binary: 100001101011010011011000001000001002
- Hexadecimal: 0x435A6C104
- Base-36: 8B0CXL0
Squares and roots of 18079990020
- 18079990020 squared (180799900202) is 326886039123299600400
- 18079990020 cubed (180799900203) is 5910096325026586324701988008000
-
The
square root of 18079990020 is 134461.8534008809 -
The
cube root of 18079990020 is 2624.6177533203
Scales and comparisons
How big is 18079990020?- 18,079,990,020 seconds is equal to 574 years, 46 weeks, 1 day, 3 hours, 27 minutes.
-
To count from 1 to 18,079,990,020 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 18079990020 cubic inches would be around 218.7 feet tall.
Recreational maths with 18079990020
- 18079990020 backwards is 02009997081
- 18079990020 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18079990020's digits is 45
- More coming soon!
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