18139080
18,139,080 is an even composite number composed of five prime numbers multiplied together.
18139080 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 18139080:
23 × 3 × 5 × 71 × 2129
(2 × 2 × 2 × 3 × 5 × 71 × 2129)See below for interesting mathematical facts about the number 18139080 from the Numbermatics database.
Names of 18139080
- Cardinal: 18139080 can be written as Eighteen million, one hundred thirty-nine thousand and eighty.
Scientific notation
- Scientific notation: 1.813908 × 107
Factors of 18139080
Divisors of 18139080
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 71 120 142 213 284 355 426 568 710 852 1065 1420 1704 2129 2130 2840 4258 4260 6387 8516 8520 10645 12774 17032 21290 25548 31935 42580 51096 63870 85160 127740 151159 255480 302318 453477 604636 755795 906954 1209272 1511590 1813908 2267385 3023180 3627816 4534770 6046360 9069540 18139080
- Sum of all divisors σ(n): 55209600
- Sum of proper divisors (its aliquot sum) s(n): 37070520
- 18139080 is an abundant number, because the sum of its proper divisors (37070520) is greater than itself. Its abundance is 18931440
Bases of 18139080
- Binary: 10001010011000111110010002
- Hexadecimal: 0x114C7C8
- Base-36: ASS7C
Squares and roots of 18139080
- 18139080 squared (181390802) is 329026223246400
- 18139080 cubed (181390803) is 5968232985564309312000
-
The
square root of 18139080 is 4258.9998826017 -
The
cube root of 18139080 is 262.7473948857
Scales and comparisons
How big is 18139080?- 18,139,080 seconds is equal to 29 weeks, 6 days, 22 hours, 38 minutes.
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To count from 1 to 18,139,080 would take you about forty-four weeks!
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 18139080 cubic inches would be around 21.9 feet tall.
Recreational maths with 18139080
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The information we have on file for 18139080 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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