18180830 (number)

18180830 is an even 8-digits composite number following 18180829 and preceding 18180831. In scientific notation, it is written as 1.8180830 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 7103040 positive integers (up to 18180830) that are relatively prime to 18180830.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty thousand eight hundred thirty

Notation

Scientific notation 1.8180830 × 10^7
Engineering notation 1.8180830 × 10^6

Prime Factorization of 18180830

Prime Factorization 2 × 5 × 43 × 42281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18180830
Product of the distinct prime numbers

The prime factorization of 18180830 is 2 × 5 × 43 × 42281. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18180830)

Multiplication

n×y
n×2 36361660
n×3 54542490
n×4 72723320
n×5 90904150

Division

n÷y
n÷2 9090415
n÷3 6060276.6666667
n÷3 4545207.5
n÷5 3636166

Exponentiation

ny
n2 330542579488900
n3 6.0095384454492E+21
n4 1.0925839685518E+29
n5 1.9864083392965E+36

Nth Root

y√n
2√n 4263.8984509484
3√n 262.94882550409
4√n 65.2985332986
5√n 28.308883501763

Divisors of 18180830

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 -18180829
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 18180830 can be divided by 16 positive divisors. The sum of these divisors (counting 18180830) is 1, the average is 0.0625.

Base conversion 18180830

Base System Value
2 Binary 1000101010110101011011110
3 Ternary 1021012200102002
4 Quaternary 1011112223132
5 Quinary 14123241310
6 Senary 1445402302
8 Octal 105265336
10 Decimal 18180830
12 Duodecimal 6109392
16 Hexadecimal 1156ade
20 Vigesimal 5dcc1a
36 Base36 atof2

Cryptographic Hash Functions

md5 29fd12398fa9b6621a9ea031a8221547
sha1 21e01b2d6433e92c45c913c5e120303978e29288
sha256 ad9e7193560f9c589b6c6a4833f45cc2976b6c90b226a7e9b98d9590672b27f0
sha512 5030f1ce1a6cba58370bd73da181a5bde59828aebd7424ced7d0cc4ac30cf9e091e14c1d75f2f5bdedef74648a9bffc3e506020d36dcc78c67808f7fda9008a5
ripemd-160 501dd04145f97dcffde252a580ffb23f2384282a

18180830 as geometric shapes

Circle

Radius = n
Diameter 36361660
Circumference 114233523.92833
Area 1.0384301394209E+15

Sphere

Radius = n
Volume 2.5172695775585E+22
Surface area 4.1537205576838E+15
Circumference 114233523.92833

Square

Length = n
Perimeter 72723320
Area 330542579488900
Diagonal 25711576.3612

Cube

Length = n
Surface area 1983255476933400
Volume 6.0095384454492E+21
Space diagonal 31490121.283772

Equilateral Triangle

Length = n
Perimeter 54542490
Area 1.4312913543491E+14
Altitude 15745060.641886

Triangular Pyramid

Length = n
Surface area 1.4312913543491E+14
Volume 7.0823089776306E+20
Height 8570525.4537332