42039918
42,039,918 is an even composite number composed of five prime numbers multiplied together.
42039918 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 42039918:
2 × 33 × 37 × 53 × 397
(2 × 3 × 3 × 3 × 37 × 53 × 397)See below for interesting mathematical facts about the number 42039918 from the Numbermatics database.
Names of 42039918
- Cardinal: 42039918 can be written as Forty-two million, thirty-nine thousand, nine hundred eighteen.
Scientific notation
- Scientific notation: 4.2039918 × 107
Factors of 42039918
Divisors of 42039918
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 6 9 18 27 37 53 54 74 106 111 159 222 318 333 397 477 666 794 954 999 1191 1431 1961 1998 2382 2862 3573 3922 5883 7146 10719 11766 14689 17649 21041 21438 29378 35298 42082 44067 52947 63123 88134 105894 126246 132201 189369 264402 378738 396603 568107 778517 793206 1136214 1557034 2335551 4671102 7006653 14013306 21019959 42039918
- Sum of all divisors σ(n): 98003520
- Sum of proper divisors (its aliquot sum) s(n): 55963602
- 42039918 is an abundant number, because the sum of its proper divisors (55963602) is greater than itself. Its abundance is 13923684
Bases of 42039918
- Binary: 101000000101111010011011102
- Hexadecimal: 0x2817A6E
- Base-36: P127I
Squares and roots of 42039918
- 42039918 squared (420399182) is 1767354705446724
- 42039918 cubed (420399183) is 74299446893894430328632
-
The
square root of 42039918 is 6483.8197075489 -
The
cube root of 42039918 is 347.7127534533
Scales and comparisons
How big is 42039918?- 42,039,918 seconds is equal to 1 year, 17 weeks, 3 days, 13 hours, 45 minutes, 18 seconds.
-
To count from 1 to 42,039,918 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 42039918 cubic inches would be around 29 feet tall.
Recreational maths with 42039918
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