55387390
55,387,390 is an even composite number composed of six prime numbers multiplied together.
55387390 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 55387390:
2 × 5 × 29 × 31 × 61 × 101
See below for interesting mathematical facts about the number 55387390 from the Numbermatics database.
Names of 55387390
- Cardinal: 55387390 can be written as Fifty-five million, three hundred eighty-seven thousand, three hundred ninety.
Scientific notation
- Scientific notation: 5.538739 × 107
Factors of 55387390
Divisors of 55387390
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 5 10 29 31 58 61 62 101 122 145 155 202 290 305 310 505 610 899 1010 1769 1798 1891 2929 3131 3538 3782 4495 5858 6161 6262 8845 8990 9455 12322 14645 15655 17690 18910 29290 30805 31310 54839 61610 90799 109678 178669 181598 190991 274195 357338 381982 453995 548390 893345 907990 954955 1786690 1909910 5538739 11077478 27693695 55387390
- Sum of all divisors σ(n): 109278720
- Sum of proper divisors (its aliquot sum) s(n): 53891330
- 55387390 is a deficient number, because the sum of its proper divisors (53891330) is less than itself. Its deficiency is 1496060
Bases of 55387390
- Binary: 110100110100100100111111102
- Hexadecimal: 0x34D24FE
- Base-36: WZ56M
Squares and roots of 55387390
- 55387390 squared (553873902) is 3067762971012100
- 55387390 cubed (553873903) is 169915384103005877419000
-
The
square root of 55387390 is 7442.2704868877 -
The
cube root of 55387390 is 381.1860220513
Scales and comparisons
How big is 55387390?- 55,387,390 seconds is equal to 1 year, 39 weeks, 4 days, 1 hour, 23 minutes, 10 seconds.
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To count from 1 to 55,387,390 would take you about two 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 55387390 cubic inches would be around 31.8 feet tall.
Recreational maths with 55387390
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The information we have on file for 55387390 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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