638163904 (number)

638163904 is an even 9-digits composite number following 638163903 and preceding 638163905. In scientific notation, it is written as 6.38163904 × 10^8. The sum of its digits is 40. It has a total of 9 prime factors and 56 positive divisors. There are 269633280 positive integers (up to 638163904) that are relatively prime to 638163904.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million one hundred sixty-three thousand nine hundred four

Notation

Scientific notation 6.38163904 × 10^8
Engineering notation 6.38163904 × 10^6

Prime Factorization of 638163904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 71 × 20063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 19942622
Product of the distinct prime numbers

The prime factorization of 638163904 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 71 × 20063. Since it has a total of 9 prime factors.

Most popular turbo-numbers

8, 1, 33, 69, 440, 61, 1159, 5394, 38213, 32917, 747392, 902851, 8304769, 8488009, 96249735, 25110349, 181961747, 762065062, 4885196550, 5160683673

Basic calculations (n = 638163904)

Multiplication

n×y
n×2 1276327808
n×3 1914491712
n×4 2552655616
n×5 3190819520

Division

n÷y
n÷2 319081952
n÷3 212721301.33333
n÷3 159540976
n÷5 127632780.8

Exponentiation

ny
n2 407253168368521216
n3 2.5989427184242E+26
n4 1.658551431462E+35
n5 1.0584276564866E+44

Nth Root

y√n
2√n 25261.906183026
3√n 860.94897229605
4√n 158.93994520896
5√n 57.674846479014

Divisors of 638163904

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 3976, 4544, 7952, 15904, 20063, 31808, 40126, 80252, 140441, 160504, 280882, 321008, 561764, 642016, 1123528, 1284032, 1424473, 2247056, 2848946, 4494112, 5697892, 8988224, 9971311, 11395784, 19942622, 22791568, 39885244, 45583136, 79770488, 91166272, 159540976, 319081952, 638163904

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638163903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638163904 can be divided by 56 positive divisors. The sum of these divisors (counting 638163904) is 1, the average is 0.017857142857143.

Base conversion 638163904

Base System Value
2 Binary 100110000010011001101111000000
3 Ternary 1122110211002022011
4 Quaternary 212002121233000
5 Quinary 2301332221104
6 Senary 143154022304
8 Octal 4602315700
10 Decimal 638163904
12 Duodecimal 159877994
16 Hexadecimal 26099bc0
20 Vigesimal 9j8a9f4
36 Base36 ajy2f4

Cryptographic Hash Functions

md5 b9825dc3f96a62c3f463771026fe83bd
sha1 4ddfa4d47fcce4cd44f865a112a694c76ce32978
sha256 74b0c668bbea30ad94d9e9126fc938983ba6c03fcb4130e225db5430a61e7df3
sha512 28deec186ff2488b7fa8bad07e97aaf701bd529c9b160358d1dda89cfee139413696d3dba1d3e6491ecab8a955e9078c090dee9b428e37a75da5c9cbbc9e4c43
ripemd-160 694beef5cf34ebb5da52919d98e115ff7b267455

638163904 as geometric shapes

Circle

Radius = n
Diameter 1276327808
Circumference 4009702065.1852
Area 1.2794235618977E+18

Sphere

Radius = n
Volume 1.0886425801736E+27
Surface area 5.1176942475909E+18
Circumference 4009702065.1852

Square

Length = n
Perimeter 2552655616
Area 407253168368521216
Diagonal 902500048.05376

Cube

Length = n
Surface area 2443519010211127296
Volume 2.5989427184242E+26
Space diagonal 1105332305.2845

Equilateral Triangle

Length = n
Perimeter 1914491712
Area 1.7634579478942E+17
Altitude 552666152.64225

Triangular Pyramid

Length = n
Surface area 1.7634579478942E+17
Volume 3.0628833668553E+25
Height 300833349.35125