398420256
398,420,256 is an even composite number composed of five prime numbers multiplied together.
398420256 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 398420256:
25 × 3 × 13 × 131 × 2437
(2 × 2 × 2 × 2 × 2 × 3 × 13 × 131 × 2437)See below for interesting mathematical facts about the number 398420256 from the Numbermatics database.
Names of 398420256
- Cardinal: 398420256 can be written as Three hundred ninety-eight million, four hundred twenty thousand, two hundred fifty-six.
Scientific notation
- Scientific notation: 3.98420256 × 108
Factors of 398420256
Divisors of 398420256
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 131 156 208 262 312 393 416 524 624 786 1048 1248 1572 1703 2096 2437 3144 3406 4192 4874 5109 6288 6812 7311 9748 10218 12576 13624 14622 19496 20436 27248 29244 31681 38992 40872 54496 58488 63362 77984 81744 95043 116976 126724 163488 190086 233952 253448 319247 380172 506896 638494 760344 957741 1013792 1276988 1520688 1915482 2553976 3041376 3830964 4150211 5107952 7661928 8300422 10215904 12450633 15323856 16600844 24901266 30647712 33201688 49802532 66403376 99605064 132806752 199210128 398420256
- Sum of all divisors σ(n): 1135366848
- Sum of proper divisors (its aliquot sum) s(n): 736946592
- 398420256 is an abundant number, because the sum of its proper divisors (736946592) is greater than itself. Its abundance is 338526336
Bases of 398420256
- Binary: 101111011111101101001001000002
- Hexadecimal: 0x17BF6920
- Base-36: 6L7J1C
Squares and roots of 398420256
- 398420256 squared (3984202562) is 158738700391105536
- 398420256 cubed (3984202563) is 63244713646931567776137216
-
The
square root of 398420256 is 19960.4673291983 -
The
cube root of 398420256 is 735.8350488881
Scales and comparisons
How big is 398420256?- 398,420,256 seconds is equal to 12 years, 34 weeks, 5 days, 8 hours, 17 minutes, 36 seconds.
-
To count from 1 to 398,420,256 would take you about nineteen 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 398420256 cubic inches would be around 61.3 feet tall.
Recreational maths with 398420256
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Keywords: Divisors of 398420256, math, Factors of 398420256, curriculum, school, college, exams, university, Prime factorization of 398420256, STEM, science, technology, engineering, physics, economics, calculator, three hundred ninety-eight million, four hundred twenty thousand, two hundred fifty-six.