638996968 (number)

638996968 is an even 9-digits composite number following 638996967 and preceding 638996969. In scientific notation, it is written as 6.38996968 × 10^8. The sum of its digits is 64. It has a total of 5 prime factors and 16 positive divisors. There are 317382000 positive integers (up to 638996968) that are relatively prime to 638996968.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-six thousand nine hundred sixty-eight

Notation

Scientific notation 6.38996968 × 10^8
Engineering notation 6.38996968 × 10^6

Prime Factorization of 638996968

Prime Factorization 2 × 2 × 2 × 151 × 528971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159749242
Product of the distinct prime numbers

The prime factorization of 638996968 is 2 × 2 × 2 × 151 × 528971. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 78, 72, 113, 341, 1472, 3047, 44546, 23163, 113698, 604189, 4594725, 1229380, 69334791, 60278390, 279624438, 831122856, 7282425779, 8437770608

Basic calculations (n = 638996968)

Multiplication

n×y
n×2 1277993936
n×3 1916990904
n×4 2555987872
n×5 3194984840

Division

n÷y
n÷2 319498484
n÷3 212998989.33333
n÷3 159749242
n÷5 127799393.6

Exponentiation

ny
n2 408317125113193024
n3 2.6091340492981E+26
n4 1.667228746607E+35
n5 1.0653541140443E+44

Nth Root

y√n
2√n 25278.389347425
3√n 861.3234391719
4√n 158.99179018875
5√n 57.689896458919

Divisors of 638996968

1, 2, 4, 8, 151, 302, 604, 1208, 528971, 1057942, 2115884, 4231768, 79874621, 159749242, 319498484, 638996968

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638996967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638996968 can be divided by 16 positive divisors. The sum of these divisors (counting 638996968) is 1, the average is 0.0625.

Base conversion 638996968

Base System Value
2 Binary 100110000101100101000111101000
3 Ternary 1122112101102001101
4 Quaternary 212011211013220
5 Quinary 2302040400333
6 Senary 143223531144
8 Octal 4605450750
10 Decimal 638996968
12 Duodecimal 159bb9ab4
16 Hexadecimal 261651e8
20 Vigesimal 9jdec88
36 Base36 akfx7s

Cryptographic Hash Functions

md5 491b8114cf56953c62b1086212852d15
sha1 d0549434a542e315c23dfd013419831925cabb58
sha256 e8ca6f6fb69fa83d8594cf10a841d1f2ed0998ea7bf8f0f472e75172d4dfd229
sha512 88194210caa08b2cde71975b5c185ef97c7334f3c563992929afb0479bbd8ef4c1c9c071ff41ba51a46f0f9d38e459cbca3e4c470be0b503fe5325018f159384
ripemd-160 5072a9fb3973a187817e803b0af30a5102fe3d05

638996968 as geometric shapes

Circle

Radius = n
Diameter 1277993936
Circumference 4014936360.6699
Area 1.2827660805905E+18

Sphere

Radius = n
Volume 1.0929115148674E+27
Surface area 5.131064322362E+18
Circumference 4014936360.6699

Square

Length = n
Perimeter 2555987872
Area 408317125113193024
Diagonal 903678178.46089

Cube

Length = n
Surface area 2449902750679158144
Volume 2.6091340492981E+26
Space diagonal 1106775214.4585

Equilateral Triangle

Length = n
Perimeter 1916990904
Area 1.7680650157413E+17
Altitude 553387607.22923

Triangular Pyramid

Length = n
Surface area 1.7680650157413E+17
Volume 3.0748939654723E+25
Height 301226059.48696