638865044 (number)

638865044 is an even 9-digits composite number following 638865043 and preceding 638865045. In scientific notation, it is written as 6.38865044 × 10^8. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 301517856 positive integers (up to 638865044) that are relatively prime to 638865044.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-five thousand forty-four

Notation

Scientific notation 6.38865044 × 10^8
Engineering notation 6.38865044 × 10^6

Prime Factorization of 638865044

Prime Factorization 2 × 2 × 19 × 277 × 30347

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 319432522
Product of the distinct prime numbers

The prime factorization of 638865044 is 2 × 2 × 19 × 277 × 30347. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638865044)

Multiplication

n×y
n×2 1277730088
n×3 1916595132
n×4 2555460176
n×5 3194325220

Division

n÷y
n÷2 319432522
n÷3 212955014.66667
n÷3 159716261
n÷5 127773008.8

Exponentiation

ny
n2 408148544445121936
n3 2.6075183780547E+26
n4 1.6658523433267E+35
n5 1.0642548306169E+44

Nth Root

y√n
2√n 25275.779790147
3√n 861.26416030218
4√n 158.98358339825
5√n 57.687514190813

Divisors of 638865044

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638865043
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638865044 can be divided by 24 positive divisors. The sum of these divisors (counting 638865044) is 1, the average is 0.041666666666667.

Base conversion 638865044

Base System Value
2 Binary 100110000101000100111010010100
3 Ternary 1122112010201002022
4 Quaternary 212011010322110
5 Quinary 2302022140134
6 Senary 143221032312
8 Octal 4605047224
10 Decimal 638865044
12 Duodecimal 159b55698
16 Hexadecimal 26144e94
20 Vigesimal 9jci2c4
36 Base36 akd3f8

Cryptographic Hash Functions

md5 ee8e804a6a1ab7965c0c7900916a003b
sha1 55c4906970f61e6e4b6acb19bf254e562ea5848d
sha256 74e8d8fcefd74ec05e9c7bf782e1b565f36bb1e7aa8cf8db94d796b713f35b10
sha512 a84150ef51638e8fc784234e754229fc6ac52d874d2eb60ae472a23d1eee1013c0a652625f3e33d8d617d311fcff14e401f18f38615fdf454ac6cd27db032da3
ripemd-160 921a5e796ef1bb5cf964499026d3ed543e9e7bb3

638865044 as geometric shapes

Circle

Radius = n
Diameter 1277730088
Circumference 4014107457.7314
Area 1.2822364688022E+18

Sphere

Radius = n
Volume 1.0922347440796E+27
Surface area 5.1289458752086E+18
Circumference 4014107457.7314

Square

Length = n
Perimeter 2555460176
Area 408148544445121936
Diagonal 903491609.75088

Cube

Length = n
Surface area 2448891266670731616
Volume 2.6075183780547E+26
Space diagonal 1106546715.3877

Equilateral Triangle

Length = n
Perimeter 1916595132
Area 1.7673350400356E+17
Altitude 553273357.69386

Triangular Pyramid

Length = n
Surface area 1.7673350400356E+17
Volume 3.0729898786517E+25
Height 301163869.91696