638560868 (number)

638560868 is an even 9-digits composite number following 638560867 and preceding 638560869. In scientific notation, it is written as 6.38560868 × 10^8. The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors. There are 261296640 positive integers (up to 638560868) that are relatively prime to 638560868.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred sixty thousand eight hundred sixty-eight

Notation

Scientific notation 6.38560868 × 10^8
Engineering notation 6.38560868 × 10^6

Prime Factorization of 638560868

Prime Factorization 2 × 2 × 187 × 23 × 37117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 319280434
Product of the distinct prime numbers

The prime factorization of 638560868 is 2 × 2 × 187 × 23 × 37117. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638560868)

Multiplication

n×y
n×2 1277121736
n×3 1915682604
n×4 2554243472
n×5 3192804340

Division

n÷y
n÷2 319280434
n÷3 212853622.66667
n÷3 159640217
n÷5 127712173.6

Exponentiation

ny
n2 407759982140913424
n3 2.6037956813157E+26
n4 1.6626820303556E+35
n5 1.0617236805119E+44

Nth Root

y√n
2√n 25269.761930022
3√n 861.12745043001
4√n 158.96465622906
5√n 57.682019916161

Divisors of 638560868

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638560867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638560868 can be divided by 24 positive divisors. The sum of these divisors (counting 638560868) is 1, the average is 0.041666666666667.

Base conversion 638560868

Base System Value
2 Binary 100110000011111010101001100100
3 Ternary 1122111120020211112
4 Quaternary 212003322221210
5 Quinary 2301432421433
6 Senary 143210324152
8 Octal 4603725144
10 Decimal 638560868
12 Duodecimal 159a29658
16 Hexadecimal 260faa64
20 Vigesimal 9jb0238
36 Base36 ak6kpw

Cryptographic Hash Functions

md5 01475c72af94cbe03c6f08b1f25315ed
sha1 b2772b1b2aa18bd36afb1cdef18c33786a4261b7
sha256 a795d34f214f6b1df3509ba01001377fbeecee2abadea4082406f71bda540a80
sha512 897168cb5531beb609a660761eeab2b3c887835694059690a82008e837b53b3c405df7886113a6f7e77cf324e13543c1a4ed8e8dd33c8a9c3429e6732a5cb9cd
ripemd-160 ce39a480dbb03da85285726d29049dc1b4f2be5d

638560868 as geometric shapes

Circle

Radius = n
Diameter 1277121736
Circumference 4012196263.5574
Area 1.2810157643218E+18

Sphere

Radius = n
Volume 1.090675384516E+27
Surface area 5.1240630572872E+18
Circumference 4012196263.5574

Square

Length = n
Perimeter 2554243472
Area 407759982140913424
Diagonal 903061439.92634

Cube

Length = n
Surface area 2446559892845480544
Volume 2.6037956813157E+26
Space diagonal 1106019867.1013

Equilateral Triangle

Length = n
Perimeter 1915682604
Area 1.7656525159036E+17
Altitude 553009933.55064

Triangular Pyramid

Length = n
Surface area 1.7656525159036E+17
Volume 3.0686026384709E+25
Height 301020479.97545