55139994
55,139,994 is an even composite number composed of five prime numbers multiplied together.
55139994 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 55139994:
2 × 33 × 73 × 13 × 229
(2 × 3 × 3 × 3 × 7 × 7 × 7 × 13 × 229)See below for interesting mathematical facts about the number 55139994 from the Numbermatics database.
Names of 55139994
- Cardinal: 55139994 can be written as Fifty-five million, one hundred thirty-nine thousand, nine hundred ninety-four.
Scientific notation
- Scientific notation: 5.5139994 × 107
Factors of 55139994
Divisors of 55139994
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 6 7 9 13 14 18 21 26 27 39 42 49 54 63 78 91 98 117 126 147 182 189 229 234 273 294 343 351 378 441 458 546 637 686 687 702 819 882 1029 1274 1323 1374 1603 1638 1911 2058 2061 2457 2646 2977 3087 3206 3822 4122 4459 4809 4914 5733 5954 6174 6183 8918 8931 9261 9618 11221 11466 12366 13377 14427 17199 17862 18522 20839 22442 26754 26793 28854 33663 34398 40131 41678 43281 53586 62517 67326 78547 80262 80379 86562 100989 120393 125034 145873 157094 160758 187551 201978 235641 240786 291746 302967 375102 437619 471282 562653 605934 706923 875238 1021111 1125306 1312857 1413846 2042222 2120769 2625714 3063333 3938571 4241538 6126666 7877142 9189999 18379998 27569997 55139994
- Sum of all divisors σ(n): 154560000
- Sum of proper divisors (its aliquot sum) s(n): 99420006
- 55139994 is an abundant number, because the sum of its proper divisors (99420006) is greater than itself. Its abundance is 44280012
Bases of 55139994
- Binary: 110100100101011110100110102
- Hexadecimal: 0x3495E9A
- Base-36: WTUAI
Squares and roots of 55139994
- 55139994 squared (551399942) is 3040418938320036
- 55139994 cubed (551399943) is 167648682016453155119784
-
The
square root of 55139994 is 7425.6308822887 -
The
cube root of 55139994 is 380.6176336267
Scales and comparisons
How big is 55139994?- 55,139,994 seconds is equal to 1 year, 39 weeks, 1 day, 4 hours, 39 minutes, 54 seconds.
-
To count from 1 to 55,139,994 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 55139994 cubic inches would be around 31.7 feet tall.
Recreational maths with 55139994
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