638963944 (number)

638963944 is an even 9-digits composite number following 638963943 and preceding 638963945. In scientific notation, it is written as 6.38963944 × 10^8. The sum of its digits is 52. It has a total of 5 prime factors and 16 positive divisors. There are 319214592 positive integers (up to 638963944) that are relatively prime to 638963944.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred sixty-three thousand nine hundred forty-four

Notation

Scientific notation 6.38963944 × 10^8
Engineering notation 6.38963944 × 10^6

Prime Factorization of 638963944

Prime Factorization 2 × 2 × 2 × 1217 × 65629

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159740986
Product of the distinct prime numbers

The prime factorization of 638963944 is 2 × 2 × 2 × 1217 × 65629. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638963944)

Multiplication

n×y
n×2 1277927888
n×3 1916891832
n×4 2555855776
n×5 3194819720

Division

n÷y
n÷2 319481972
n÷3 212987981.33333
n÷3 159740986
n÷5 127792788.8

Exponentiation

ny
n2 408274921732035136
n3 2.6087295422619E+26
n4 1.666884117153E+35
n5 1.065078849687E+44

Nth Root

y√n
2√n 25277.736132811
3√n 861.30860089842
4√n 158.98973593541
5√n 57.689300152326

Divisors of 638963944

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 -638963943
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 638963944 can be divided by 16 positive divisors. The sum of these divisors (counting 638963944) is 1, the average is 0.0625.

Base conversion 638963944

Base System Value
2 Binary 100110000101011101000011101000
3 Ternary 1122112022201202021
4 Quaternary 212011131003220
5 Quinary 2302033321234
6 Senary 143223114224
8 Octal 4605350350
10 Decimal 638963944
12 Duodecimal 159ba2974
16 Hexadecimal 2615d0e8
20 Vigesimal 9jda9h4
36 Base36 akf7qg

Cryptographic Hash Functions

md5 cf1cb659fb463760991224881e9929c9
sha1 4082ed47888a2f865164e375eef702035d7f91df
sha256 6edffbb5e04f64b8b08d7393f5e8159a2330c1a164c0c4ace0869f6fb6f56d13
sha512 bb57d9115d8dd232e1d6172161473c36504a8a12333df8bd1331e8bd7b585d28a30cb6faa76bc1cbfd5eccb872bc55f2ead96d6520dc70643fe380a5e63a11d7
ripemd-160 495aa79435f3bde0aa85e93728b3b8cedc6adacb

638963944 as geometric shapes

Circle

Radius = n
Diameter 1277927888
Circumference 4014728864.7583
Area 1.2826334947583E+18

Sphere

Radius = n
Volume 1.0927420753564E+27
Surface area 5.1305339790332E+18
Circumference 4014728864.7583

Square

Length = n
Perimeter 2555855776
Area 408274921732035136
Diagonal 903631475.4722

Cube

Length = n
Surface area 2449649530392210816
Volume 2.6087295422619E+26
Space diagonal 1106718015.2126

Equilateral Triangle

Length = n
Perimeter 1916891832
Area 1.7678822697402E+17
Altitude 553359007.6063

Triangular Pyramid

Length = n
Surface area 1.7678822697402E+17
Volume 3.0744172493585E+25
Height 301210491.82407