136668720
136,668,720 is an even composite number composed of five prime numbers multiplied together.
136668720 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 136668720:
24 × 3 × 5 × 521 × 1093
(2 × 2 × 2 × 2 × 3 × 5 × 521 × 1093)See below for interesting mathematical facts about the number 136668720 from the Numbermatics database.
Names of 136668720
- Cardinal: 136668720 can be written as One hundred thirty-six million, six hundred sixty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.3666872 × 108
Factors of 136668720
Divisors of 136668720
- 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 1093 1563 2084 2186 2605 3126 3279 4168 4372 5210 5465 6252 6558 7815 8336 8744 10420 10930 12504 13116 15630 16395 17488 20840 21860 25008 26232 31260 32790 41680 43720 52464 62520 65580 87440 125040 131160 262320 569453 1138906 1708359 2277812 2847265 3416718 4555624 5694530 6833436 8541795 9111248 11389060 13666872 17083590 22778120 27333744 34167180 45556240 68334360 136668720
- Sum of all divisors σ(n): 424874592
- Sum of proper divisors (its aliquot sum) s(n): 288205872
- 136668720 is an abundant number, because the sum of its proper divisors (288205872) is greater than itself. Its abundance is 151537152
Bases of 136668720
- Binary: 10000010010101100110001100002
- Hexadecimal: 0x8256630
- Base-36: 29DA9C
Squares and roots of 136668720
- 136668720 squared (1366687202) is 18678339026438400
- 136668720 cubed (1366687203) is 2552744686469382286848000
-
The
square root of 136668720 is 11690.5397651263 -
The
cube root of 136668720 is 515.0978165915
Scales and comparisons
How big is 136668720?- 136,668,720 seconds is equal to 4 years, 17 weeks, 6 days, 19 hours, 32 minutes.
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To count from 1 to 136,668,720 would take you about six 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 136668720 cubic inches would be around 42.9 feet tall.
Recreational maths with 136668720
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