638164928 (number)

638164928 is an even 9-digits composite number following 638164927 and preceding 638164929. In scientific notation, it is written as 6.38164928 × 10^8. The sum of its digits is 47. It has a total of 9 prime factors and 56 positive divisors. There are 313148160 positive integers (up to 638164928) that are relatively prime to 638164928.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38164928 × 10^8
Engineering notation 6.38164928 × 10^6

Prime Factorization of 638164928

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 103 × 131 × 739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 19942654
Product of the distinct prime numbers

The prime factorization of 638164928 is 2 × 2 × 2 × 2 × 2 × 2 × 103 × 131 × 739. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638164928)

Multiplication

n×y
n×2 1276329856
n×3 1914494784
n×4 2552659712
n×5 3190824640

Division

n÷y
n÷2 319082464
n÷3 212721642.66667
n÷3 159541232
n÷5 127632985.6

Exponentiation

ny
n2 407254475329245184
n3 2.5989552292617E+26
n4 1.658562076757E+35
n5 1.0584361482972E+44

Nth Root

y√n
2√n 25261.926450689
3√n 860.9494327897
4√n 158.94000896781
5√n 57.674864988054

Divisors of 638164928

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 -638164927
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 638164928 can be divided by 56 positive divisors. The sum of these divisors (counting 638164928) is 1, the average is 0.017857142857143.

Base conversion 638164928

Base System Value
2 Binary 100110000010011001111111000000
3 Ternary 1122110211010201002
4 Quaternary 212002121333000
5 Quinary 2301332234203
6 Senary 143154031132
8 Octal 4602317700
10 Decimal 638164928
12 Duodecimal 1598784a8
16 Hexadecimal 26099fc0
20 Vigesimal 9j8ac68
36 Base36 ajy37k

Cryptographic Hash Functions

md5 32814880c7808656cfd886edfb580c35
sha1 dd1511272c5c8360273041e1c9f1685f124b5efa
sha256 4185e1e3a9ef30638e90469ec8d1a88e5fcf8d963b122cd624f89ba659dbaa1e
sha512 40b70e096b9e38a1f84a1198792b2882fcadd5b194090af4d825ee8d2c3116a2bb0ca10e6fc2adf495fbd9ae79a3d1148b6c748f63841bdd05e0a4806fb3e2f3
ripemd-160 07b6526f0f2c88b94120b249c06530404f17c832

638164928 as geometric shapes

Circle

Radius = n
Diameter 1276329856
Circumference 4009708499.1669
Area 1.2794276678359E+18

Sphere

Radius = n
Volume 1.088647820701E+27
Surface area 5.1177106713437E+18
Circumference 4009708499.1669

Square

Length = n
Perimeter 2552659712
Area 407254475329245184
Diagonal 902501496.20845

Cube

Length = n
Surface area 2443526851975471104
Volume 2.5989552292617E+26
Space diagonal 1105334078.9045

Equilateral Triangle

Length = n
Perimeter 1914494784
Area 1.7634636072001E+17
Altitude 552667039.45227

Triangular Pyramid

Length = n
Surface area 1.7634636072001E+17
Volume 3.0628981110186E+25
Height 300833832.06948