638163905 (number)

638163905 is an odd 9-digits composite number following 638163904 and preceding 638163906. In scientific notation, it is written as 6.38163905 × 10^8. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 510427008 positive integers (up to 638163905) that are relatively prime to 638163905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38163905 × 10^8
Engineering notation 6.38163905 × 10^6

Prime Factorization of 638163905

Prime Factorization 5 × 6553 × 19477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638163905
Product of the distinct prime numbers

The prime factorization of 638163905 is 5 × 6553 × 19477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 8, 29, 96, 312, 895, 6980, 8198, 1891, 6898, 450594, 226806, 2478351, 1259505, 96673754, 81687210, 674635268, 534090413, 9409065459, 8976475008

Basic calculations (n = 638163905)

Multiplication

n×y
n×2 1276327810
n×3 1914491715
n×4 2552655620
n×5 3190819525

Division

n÷y
n÷2 319081952.5
n÷3 212721301.66667
n÷3 159540976.25
n÷5 127632781

Exponentiation

ny
n2 407253169644849025
n3 2.5989427306418E+26
n4 1.6585514418578E+35
n5 1.0584276647793E+44

Nth Root

y√n
2√n 25261.906202819
3√n 860.94897274575
4√n 158.93994527122
5√n 57.674846497089

Divisors of 638163905

1, 5, 6553, 19477, 32765, 97385, 127632781, 638163905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638163904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638163905 can be divided by 8 positive divisors. The sum of these divisors (counting 638163905) is 1, the average is 0.125.

Base conversion 638163905

Base System Value
2 Binary 100110000010011001101111000001
3 Ternary 1122110211002022012
4 Quaternary 212002121233001
5 Quinary 2301332221110
6 Senary 143154022305
8 Octal 4602315701
10 Decimal 638163905
12 Duodecimal 159877995
16 Hexadecimal 26099bc1
20 Vigesimal 9j8a9f5
36 Base36 ajy2f5

Cryptographic Hash Functions

md5 5198c8f6d7c8511db08264de22d8ae60
sha1 25e0175039a0e87020bc3429e27fed951988d98b
sha256 2247896dc22608b0d30c568203b607dfbf130f1d707c41e6084266ecfeb467fc
sha512 06b4ca19c2b182cd3dc5c554c0faa32d62498b38121cc97289b9c610c073a0d6bb0ead6e315e8f3f4f2ac4c81e912c350ad016193b8af5cc3f888a10f2563e4c
ripemd-160 7fdf570e2299ba0acca78ec024052a3915d82134

638163905 as geometric shapes

Circle

Radius = n
Diameter 1276327810
Circumference 4009702071.4683
Area 1.2794235659074E+18

Sphere

Radius = n
Volume 1.0886425852913E+27
Surface area 5.1176942636297E+18
Circumference 4009702071.4683

Square

Length = n
Perimeter 2552655620
Area 407253169644849025
Diagonal 902500049.46798

Cube

Length = n
Surface area 2443519017869094150
Volume 2.5989427306418E+26
Space diagonal 1105332307.0166

Equilateral Triangle

Length = n
Perimeter 1914491715
Area 1.7634579534209E+17
Altitude 552666153.50828

Triangular Pyramid

Length = n
Surface area 1.7634579534209E+17
Volume 3.0628833812539E+25
Height 300833349.82266