55138590
55,138,590 is an even composite number composed of six prime numbers multiplied together.
55138590 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 55138590:
2 × 33 × 5 × 13 × 23 × 683
(2 × 3 × 3 × 3 × 5 × 13 × 23 × 683)See below for interesting mathematical facts about the number 55138590 from the Numbermatics database.
Names of 55138590
- Cardinal: 55138590 can be written as Fifty-five million, one hundred thirty-eight thousand, five hundred ninety.
Scientific notation
- Scientific notation: 5.513859 × 107
Factors of 55138590
Divisors of 55138590
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 23 26 27 30 39 45 46 54 65 69 78 90 115 117 130 135 138 195 207 230 234 270 299 345 351 390 414 585 598 621 683 690 702 897 1035 1170 1242 1366 1495 1755 1794 2049 2070 2691 2990 3105 3415 3510 4098 4485 5382 6147 6210 6830 8073 8879 8970 10245 12294 13455 15709 16146 17758 18441 20490 26637 26910 30735 31418 36882 40365 44395 47127 53274 61470 78545 79911 80730 88790 92205 94254 133185 141381 157090 159822 184410 204217 235635 239733 266370 282762 399555 408434 424143 471270 479466 612651 706905 799110 848286 1021085 1198665 1225302 1413810 1837953 2042170 2120715 2397330 3063255 3675906 4241430 5513859 6126510 9189765 11027718 18379530 27569295 55138590
- Sum of all divisors σ(n): 165473280
- Sum of proper divisors (its aliquot sum) s(n): 110334690
- 55138590 is an abundant number, because the sum of its proper divisors (110334690) is greater than itself. Its abundance is 55196100
Bases of 55138590
- Binary: 110100100101011001000111102
- Hexadecimal: 0x349591E
- Base-36: WTT7I
Squares and roots of 55138590
- 55138590 squared (551385902) is 3040264107188100
- 55138590 cubed (551385903) is 167635876097960698779000
-
The
square root of 55138590 is 7425.5363442649 -
The
cube root of 55138590 is 380.6144031121
Scales and comparisons
How big is 55138590?- 55,138,590 seconds is equal to 1 year, 39 weeks, 1 day, 4 hours, 16 minutes, 30 seconds.
-
To count from 1 to 55,138,590 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 55138590 cubic inches would be around 31.7 feet tall.
Recreational maths with 55138590
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