638564872 (number)

638564872 is an even 9-digits composite number following 638564871 and preceding 638564873. In scientific notation, it is written as 6.38564872 × 10^8. The sum of its digits is 49. It has a total of 7 prime factors and 64 positive divisors. There are 283299840 positive integers (up to 638564872) that are relatively prime to 638564872.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred sixty-four thousand eight hundred seventy-two

Notation

Scientific notation 6.38564872 × 10^8
Engineering notation 6.38564872 × 10^6

Prime Factorization of 638564872

Prime Factorization 2 × 2 × 2 × 11 × 73 × 107 × 929

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 159641218
Product of the distinct prime numbers

The prime factorization of 638564872 is 2 × 2 × 2 × 11 × 73 × 107 × 929. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638564872)

Multiplication

n×y
n×2 1277129744
n×3 1915694616
n×4 2554259488
n×5 3192824360

Division

n÷y
n÷2 319282436
n÷3 212854957.33333
n÷3 159641218
n÷5 127712974.4

Exponentiation

ny
n2 407765095752376384
n3 2.6038446617518E+26
n4 1.6627237331394E+35
n5 1.0617569678236E+44

Nth Root

y√n
2√n 25269.841155021
3√n 861.12925028302
4√n 158.96490541947
5√n 57.682092253267

Divisors of 638564872

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638564871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638564872 can be divided by 64 positive divisors. The sum of these divisors (counting 638564872) is 1, the average is 0.015625.

Base conversion 638564872

Base System Value
2 Binary 100110000011111011101000001000
3 Ternary 1122111120110022211
4 Quaternary 212003323220020
5 Quinary 2301433033442
6 Senary 143210354504
8 Octal 4603735010
10 Decimal 638564872
12 Duodecimal 159a2ba34
16 Hexadecimal 260fba08
20 Vigesimal 9jb0c3c
36 Base36 ak6nt4

Cryptographic Hash Functions

md5 bac4d649cee0426a83df9c48e204a23e
sha1 489e01a4e246cf764ac2fe4f3c97a18958421b11
sha256 3006ef6850749dcced2eec6b2a865e12649e1a6e52aaf24e39a77ea6e9cabd5a
sha512 9bbc8f1ac927e2883ea54de7a51cf0779b24ca6da7e494989f34cf3ee7351a9d75aaba8c898fffd353e809647db131de2339ad169d9b85b9ab5a509415035ce2
ripemd-160 c12be6002c72dbb9d54f312caec94dee79c0aff2

638564872 as geometric shapes

Circle

Radius = n
Diameter 1277129744
Circumference 4012221421.4314
Area 1.281031829206E+18

Sphere

Radius = n
Volume 1.0906959013931E+27
Surface area 5.124127316824E+18
Circumference 4012221421.4314

Square

Length = n
Perimeter 2554259488
Area 407765095752376384
Diagonal 903067102.43744

Cube

Length = n
Surface area 2446590574514258304
Volume 2.6038446617518E+26
Space diagonal 1106026802.2327

Equilateral Triangle

Length = n
Perimeter 1915694616
Area 1.7656746584908E+17
Altitude 553013401.11636

Triangular Pyramid

Length = n
Surface area 1.7656746584908E+17
Volume 3.0686603624685E+25
Height 301022367.47915