638943072 (number)

638943072 is an even 9-digits composite number following 638943071 and preceding 638943073. In scientific notation, it is written as 6.38943072 × 10^8. The sum of its digits is 42. It has a total of 8 prime factors and 48 positive divisors. There are 212447232 positive integers (up to 638943072) that are relatively prime to 638943072.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred forty-three thousand seventy-two

Notation

Scientific notation 6.38943072 × 10^8
Engineering notation 6.38943072 × 10^6

Prime Factorization of 638943072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 409 × 16273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 39933942
Product of the distinct prime numbers

The prime factorization of 638943072 is 2 × 2 × 2 × 2 × 2 × 3 × 409 × 16273. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638943072)

Multiplication

n×y
n×2 1277886144
n×3 1916829216
n×4 2555772288
n×5 3194715360

Division

n÷y
n÷2 319471536
n÷3 212981024
n÷3 159735768
n÷5 127788614.4

Exponentiation

ny
n2 408248249256797184
n3 2.6084739051876E+26
n4 1.6666663302124E+35
n5 1.0649049050249E+44

Nth Root

y√n
2√n 25277.323276012
3√n 861.29922247207
4√n 158.98843755447
5√n 57.688923258819

Divisors of 638943072

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638943071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638943072 can be divided by 48 positive divisors. The sum of these divisors (counting 638943072) is 1, the average is 0.020833333333333.

Base conversion 638943072

Base System Value
2 Binary 100110000101010111111101100000
3 Ternary 1122112021200010020
4 Quaternary 212011113331200
5 Quinary 2302032134242
6 Senary 143222433440
8 Octal 4605277540
10 Decimal 638943072
12 Duodecimal 159b92880
16 Hexadecimal 26157f60
20 Vigesimal 9jd7hdc
36 Base36 akermo

Cryptographic Hash Functions

md5 850fe8f9c081c9d4d7aa88b0dea4c3a8
sha1 d1f37b7745b0807933b39dde0d1590f203a3ead7
sha256 89c4cec62e7c9abd97675830245f84a599ebf791923e08aa2efcd2cabfb1c06e
sha512 e735ff5f2d1220d0e0843967bce9e411c127c74d0ccdcc1d2c438009c9bf41117e09d991795d2690ae11692df6c1d12154dc97fe98db344f34b7723c000ba75c
ripemd-160 d70bc254d0557ef27fbc05550358a9db6f58acd2

638943072 as geometric shapes

Circle

Radius = n
Diameter 1277886144
Circumference 4014597722.1146
Area 1.282549700706E+18

Sphere

Radius = n
Volume 1.0926349943491E+27
Surface area 5.1301988028242E+18
Circumference 4014597722.1146

Square

Length = n
Perimeter 2555772288
Area 408248249256797184
Diagonal 903601958.00673

Cube

Length = n
Surface area 2449489495540783104
Volume 2.6084739051876E+26
Space diagonal 1106681863.8481

Equilateral Triangle

Length = n
Perimeter 1916829216
Area 1.7677667745345E+17
Altitude 553340931.92407

Triangular Pyramid

Length = n
Surface area 1.7677667745345E+17
Volume 3.0741159781772E+25
Height 301200652.66891