638540438 (number)

638540438 is an even 9-digits composite number following 638540437 and preceding 638540439. In scientific notation, it is written as 6.38540438 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 315773640 positive integers (up to 638540438) that are relatively prime to 638540438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38540438 × 10^8
Engineering notation 6.38540438 × 10^6

Prime Factorization of 638540438

Prime Factorization 2 × 163 × 211 × 9283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638540438
Product of the distinct prime numbers

The prime factorization of 638540438 is 2 × 163 × 211 × 9283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 70, 94, 435, 907, 9273, 3591, 99029, 38656, 67456, 513803, 6329177, 1931993, 69932982, 58294571, 426014422, 682776867, 4228341513, 5895974973

Basic calculations (n = 638540438)

Multiplication

n×y
n×2 1277080876
n×3 1915621314
n×4 2554161752
n×5 3192702190

Division

n÷y
n÷2 319270219
n÷3 212846812.66667
n÷3 159635109.5
n÷5 127708087.6

Exponentiation

ny
n2 407733890961231844
n3 2.6035457732183E+26
n4 1.6624692583839E+35
n5 1.06155384841E+44

Nth Root

y√n
2√n 25269.357688711
3√n 861.11826674718
4√n 158.96338474224
5√n 57.681650817831

Divisors of 638540438

1, 2, 163, 211, 326, 422, 9283, 18566, 34393, 68786, 1513129, 1958713, 3026258, 3917426, 319270219, 638540438

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638540437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638540438 can be divided by 16 positive divisors. The sum of these divisors (counting 638540438) is 1, the average is 0.0625.

Base conversion 638540438

Base System Value
2 Binary 100110000011110101101010010110
3 Ternary 1122111112012210212
4 Quaternary 212003311222112
5 Quinary 2301431243223
6 Senary 143210045422
8 Octal 4603655226
10 Decimal 638540438
12 Duodecimal 159a19872
16 Hexadecimal 260f5a96
20 Vigesimal 9jahb1i
36 Base36 ak64ye

Cryptographic Hash Functions

md5 ee66359ca940c014441381757207c5f2
sha1 d1adf67aff32fc22635a44ccdbb3568ecf95c69a
sha256 4e91801d99a1d92db6fe9d5ef78a3d1ede9ab5767d0139a61af58dda3496accd
sha512 41cac2d7a23e5756922ca91c4825d4ffdc04bd6b71f3a86d11a9bd149bbc0ad6db8ab8541be25c88d14c544bed71623831c5a18e9f4764391afcb967c594c2c8
ripemd-160 7486248c4ff5e0a727209ed21b57c28197fd39af

638540438 as geometric shapes

Circle

Radius = n
Diameter 1277080876
Circumference 4012067898.0816
Area 1.2809337964634E+18

Sphere

Radius = n
Volume 1.090570703257E+27
Surface area 5.1237351858536E+18
Circumference 4012067898.0816

Square

Length = n
Perimeter 2554161752
Area 407733890961231844
Diagonal 903032547.54326

Cube

Length = n
Surface area 2446403345767391064
Volume 2.6035457732183E+26
Space diagonal 1105984481.3033

Equilateral Triangle

Length = n
Perimeter 1915621314
Area 1.7655395377815E+17
Altitude 552992240.65164

Triangular Pyramid

Length = n
Surface area 1.7655395377815E+17
Volume 3.0683081189537E+25
Height 301010849.18109