18307949 (number)

18307949 is an odd 8-digits composite number following 18307948 and preceding 18307950. In scientific notation, it is written as 1.8307949 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 15787200 positive integers (up to 18307949) that are relatively prime to 18307949.

Interesting facts

Basic properties

Name

Name eighteen million three hundred seven thousand nine hundred forty-nine

Notation

Scientific notation 1.8307949 × 10^7
Engineering notation 1.8307949 × 10^6

Prime Factorization of 18307949

Prime Factorization 11 × 31 × 53 × 1013

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18307949
Product of the distinct prime numbers

The prime factorization of 18307949 is 11 × 31 × 53 × 1013. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18307949)

Multiplication

n×y
n×2 36615898
n×3 54923847
n×4 73231796
n×5 91539745

Division

n÷y
n÷2 9153974.5
n÷3 6102649.6666667
n÷3 4576987.25
n÷5 3661589.8

Exponentiation

ny
n2 335180996586601
n3 6.1364765912767E+21
n4 1.1234630047279E+29
n5 2.0568303393945E+36

Nth Root

y√n
2√n 4278.778914597
3√n 263.56024220714
4√n 65.412375851952
5√n 28.348359967141

Divisors of 18307949

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 -18307948
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 18307949 can be divided by 16 positive divisors. The sum of these divisors (counting 18307949) is 1, the average is 0.0625.

Base conversion 18307949

Base System Value
2 Binary 1000101110101101101101101
3 Ternary 1021110010210012
4 Quaternary 1011311231231
5 Quinary 14141323244
6 Senary 1452223005
8 Octal 105655555
10 Decimal 18307949
12 Duodecimal 616aa65
16 Hexadecimal 1175b6d
20 Vigesimal 5e89h9
36 Base36 awei5

Cryptographic Hash Functions

md5 cf6f7e3f40c89d6bdaabd0a345169927
sha1 53cc6c2d56b19de85bda3d6554ea38c3fdf5003c
sha256 47873edf4a3e7ef761299a916539a18fe26028b095da3d489aaebb3030d2033e
sha512 f92248495c221021ebad4d8a4c6ee902883592e1b853974ac8124fc42edcc9fd663961ee4391c005e1d7d9fc73aa3130bba3c2ed1e678d3873808320243dcb6f
ripemd-160 cd6494081558300f1941c7219456eecb13d2458e

18307949 as geometric shapes

Circle

Radius = n
Diameter 36615898
Circumference 115032236.16139
Area 1.0530021564994E+15

Sphere

Radius = n
Volume 2.5704413037441E+22
Surface area 4.2120086259975E+15
Circumference 115032236.16139

Square

Length = n
Perimeter 73231796
Area 335180996586601
Diagonal 25891349.775035

Cube

Length = n
Surface area 2011085979519606
Volume 6.1364765912767E+21
Space diagonal 31710297.85038

Equilateral Triangle

Length = n
Perimeter 54923847
Area 1.4513762895489E+14
Altitude 15855148.92519

Triangular Pyramid

Length = n
Surface area 1.4513762895489E+14
Volume 7.2319070171404E+20
Height 8630449.9250116