30897938 (number)

30897938 is an even 8-digits composite number following 30897937 and preceding 30897939. In scientific notation, it is written as 3.0897938 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 15448968 positive integers (up to 30897938) that are relatively prime to 30897938.

Interesting facts

Basic properties

Name

Name thirty million eight hundred ninety-seven thousand nine hundred thirty-eight

Notation

Scientific notation 3.0897938 × 10^7
Engineering notation 3.0897938 × 10^6

Prime Factorization of 30897938

Prime Factorization 2 × 15448969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30897938
Product of the distinct prime numbers

The prime factorization of 30897938 is 2 × 15448969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30897938)

Multiplication

n×y
n×2 61795876
n×3 92693814
n×4 123591752
n×5 154489690

Division

n÷y
n÷2 15448969
n÷3 10299312.666667
n÷3 7724484.5
n÷5 6179587.6

Exponentiation

ny
n2 954682572651844
n3 2.9497722939477E+22
n4 9.1141881452514E+29
n5 2.8160962023231E+37

Nth Root

y√n
2√n 5558.5913683235
3√n 313.79293825658
4√n 74.555961319826
5√n 31.476461157537

Divisors of 30897938

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30897937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30897938 can be divided by 4 positive divisors. The sum of these divisors (counting 30897938) is 1, the average is 0.25.

Base conversion 30897938

Base System Value
2 Binary 1110101110111011100010010
3 Ternary 2011010210000002
4 Quaternary 1311313130102
5 Quinary 30402213223
6 Senary 3022130002
8 Octal 165673422
10 Decimal 30897938
12 Duodecimal a420902
16 Hexadecimal 1d77712
20 Vigesimal 9d24gi
36 Base36 ie902

Cryptographic Hash Functions

md5 50ae39861d588cb5649639ca3c3bd015
sha1 21b02d113e72080f708306c43a2d182b2f094a8b
sha256 af10c11b343726a6c5e21bd9f90a45df7cec7114b71b2cfb7f70865d24cd4f48
sha512 d60733b08e92ddd2ab08922ee6e1f84c0477b4f16110ba883e66616856c683140b553cb827f1f64e71270c86a02990413b50917674a68001ad502964678d229b
ripemd-160 04b7cb902ddd54f4bea426856d4cb76efd374fbd

30897938 as geometric shapes

Circle

Radius = n
Diameter 61795876
Circumference 194137470.06375
Area 2.9992237567532E+15

Sphere

Radius = n
Volume 1.2355977291238E+23
Surface area 1.1996895027013E+16
Circumference 194137470.06375

Square

Length = n
Perimeter 123591752
Area 954682572651844
Diagonal 43696282.968963

Cube

Length = n
Surface area 5728095435911064
Volume 2.9497722939477E+22
Space diagonal 53516798.465113

Equilateral Triangle

Length = n
Perimeter 92693814
Area 4.1338968023339E+14
Altitude 26758399.232557

Triangular Pyramid

Length = n
Surface area 4.1338968023339E+14
Volume 3.4763399866777E+21
Height 14565427.656321