18998055 (number)

18998055 is an odd 8-digits composite number following 18998054 and preceding 18998056. In scientific notation, it is written as 1.8998055 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 10098816 positive integers (up to 18998055) that are relatively prime to 18998055.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-eight thousand fifty-five

Notation

Scientific notation 1.8998055 × 10^7
Engineering notation 1.8998055 × 10^6

Prime Factorization of 18998055

Prime Factorization 9 × 5 × 443 × 953

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18998055
Product of the distinct prime numbers

The prime factorization of 18998055 is 9 × 5 × 443 × 953. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18998055)

Multiplication

n×y
n×2 37996110
n×3 56994165
n×4 75992220
n×5 94990275

Division

n÷y
n÷2 9499027.5
n÷3 6332685
n÷3 4749513.75
n÷5 3799611

Exponentiation

ny
n2 360926093783025
n3 6.8568937806251E+21
n4 1.3026764517347E+29
n5 2.4748318877261E+36

Nth Root

y√n
2√n 4358.6758310294
3√n 266.83105922603
4√n 66.02026833503
5√n 28.558923171857

Divisors of 18998055

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 -18998054
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 18998055 can be divided by 16 positive divisors. The sum of these divisors (counting 18998055) is 1, the average is 0.0625.

Base conversion 18998055

Base System Value
2 Binary 1001000011110001100100111
3 Ternary 1022202012102200
4 Quaternary 1020132030213
5 Quinary 14330414210
6 Senary 1515105543
8 Octal 110361447
10 Decimal 18998055
12 Duodecimal 64422b3
16 Hexadecimal 121e327
20 Vigesimal 5ief2f
36 Base36 bb6zr

Cryptographic Hash Functions

md5 89ff99ad5c1f2286f4dd5d0578590f7c
sha1 9005b2316c0c369cf5dee8369e30559d1bce660e
sha256 c6ca4329c28b6e7c1ac71c4f4135fb059669df011b4df9ca22c6c71c2e38905b
sha512 bfe13d3d086b4e36f7a59534bb45bd02b1bf8177880c33c2435cd4fc18569666ed1f55fcb6f68c072aba3ac942da84e3865712e9254ffc858056c8c1ef6dd2f1
ripemd-160 32ad919212d86be058b62c1fcb0274b86f412b81

18998055 as geometric shapes

Circle

Radius = n
Diameter 37996110
Circumference 119368300.04099
Area 1.1338827647176E+15

Sphere

Radius = n
Volume 2.8722089503543E+22
Surface area 4.5355310588704E+15
Circumference 119368300.04099

Square

Length = n
Perimeter 75992220
Area 360926093783025
Diagonal 26867307.03971

Cube

Length = n
Surface area 2165556562698150
Volume 6.8568937806251E+21
Space diagonal 32905596.504988

Equilateral Triangle

Length = n
Perimeter 56994165
Area 1.5628558305239E+14
Altitude 16452798.252494

Triangular Pyramid

Length = n
Surface area 1.5628558305239E+14
Volume 8.0809268169264E+20
Height 8955769.0132367