638163909 (number)

638163909 is an odd 9-digits composite number following 638163908 and preceding 638163910. In scientific notation, it is written as 6.38163909 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 420661824 positive integers (up to 638163909) that are relatively prime to 638163909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38163909 × 10^8
Engineering notation 6.38163909 × 10^6

Prime Factorization of 638163909

Prime Factorization 3 × 3 × 89 × 796709

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 212721303
Product of the distinct prime numbers

The prime factorization of 638163909 is 3 × 3 × 89 × 796709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 46, 79, 416, 440, 1344, 4728, 92735, 47406, 80747, 407911, 1832265, 3434827, 51844140, 54821275, 577203564, 864595458, 1623376365, 9037172926

Basic calculations (n = 638163909)

Multiplication

n×y
n×2 1276327818
n×3 1914491727
n×4 2552655636
n×5 3190819545

Division

n÷y
n÷2 319081954.5
n÷3 212721303
n÷3 159540977.25
n÷5 127632781.8

Exponentiation

ny
n2 407253174750160281
n3 2.5989427795122E+26
n4 1.6585514834408E+35
n5 1.0584276979504E+44

Nth Root

y√n
2√n 25261.906281989
3√n 860.94897454456
4√n 158.93994552028
5√n 57.67484656939

Divisors of 638163909

1, 3, 9, 89, 267, 801, 796709, 2390127, 7170381, 70907101, 212721303, 638163909

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638163908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638163909 can be divided by 12 positive divisors. The sum of these divisors (counting 638163909) is 1, the average is 0.083333333333333.

Base conversion 638163909

Base System Value
2 Binary 100110000010011001101111000101
3 Ternary 1122110211002022100
4 Quaternary 212002121233011
5 Quinary 2301332221114
6 Senary 143154022313
8 Octal 4602315705
10 Decimal 638163909
12 Duodecimal 159877999
16 Hexadecimal 26099bc5
20 Vigesimal 9j8a9f9
36 Base36 ajy2f9

Cryptographic Hash Functions

md5 23277641e99948534930e19091c8a10a
sha1 054e267c0b47926779073bb4eccff88800311f4c
sha256 26f7e40a74c772fd9fc2225a40b7052f39b579c1370ad6cee575dd7cb9397ee2
sha512 2ee2c935d4e81afeaab2217c1adad00717d750da84ab94bc4ff88f6f632f11074d9d0bf5e1deed5b9aee3a53d12f66fa7a493bcc0c0f16e4a435e974b75b720d
ripemd-160 4d589425388c9baf90cb8b066887e0fcab29eeec

638163909 as geometric shapes

Circle

Radius = n
Diameter 1276327818
Circumference 4009702096.6011
Area 1.2794235819462E+18

Sphere

Radius = n
Volume 1.0886426057621E+27
Surface area 5.1176943277849E+18
Circumference 4009702096.6011

Square

Length = n
Perimeter 2552655636
Area 407253174750160281
Diagonal 902500055.12483

Cube

Length = n
Surface area 2443519048500961686
Volume 2.5989427795122E+26
Space diagonal 1105332313.9448

Equilateral Triangle

Length = n
Perimeter 1914491727
Area 1.7634579755275E+17
Altitude 552666156.97238

Triangular Pyramid

Length = n
Surface area 1.7634579755275E+17
Volume 3.0628834388482E+25
Height 300833351.70828