18125989 (number)

18125989 is an odd 8-digits composite number following 18125988 and preceding 18125990. In scientific notation, it is written as 1.8125989 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 15536556 positive integers (up to 18125989) that are relatively prime to 18125989.

Interesting facts

Basic properties

Name

Name eighteen million one hundred twenty-five thousand nine hundred eighty-nine

Notation

Scientific notation 1.8125989 × 10^7
Engineering notation 1.8125989 × 10^6

Prime Factorization of 18125989

Prime Factorization 7 × 2589427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18125989
Product of the distinct prime numbers

The prime factorization of 18125989 is 7 × 2589427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18125989)

Multiplication

n×y
n×2 36251978
n×3 54377967
n×4 72503956
n×5 90629945

Division

n÷y
n÷2 9062994.5
n÷3 6041996.3333333
n÷3 4531497.25
n÷5 3625197.8

Exponentiation

ny
n2 328551477228121
n3 5.9553204621707E+21
n4 1.0794607318878E+29
n5 1.956629335213E+36

Nth Root

y√n
2√n 4257.4627420566
3√n 262.68417128341
4√n 65.249235566837
5√n 28.291784567793

Divisors of 18125989

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 -18125988
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 18125989 can be divided by 4 positive divisors. The sum of these divisors (counting 18125989) is 1, the average is 0.25.

Base conversion 18125989

Base System Value
2 Binary 1000101001001010010100101
3 Ternary 1021002220011221
4 Quaternary 1011021102211
5 Quinary 14120012424
6 Senary 1444300341
8 Octal 105112245
10 Decimal 18125989
12 Duodecimal 60a16b1
16 Hexadecimal 11494a5
20 Vigesimal 5d5ej9
36 Base36 asi3p

Cryptographic Hash Functions

md5 b33e50774f0f9f2a4f3246e2d5dfdbe6
sha1 cfa4808761e2cbf736de78b68e4e9f1c299ac12f
sha256 c8a119452c515a7efe73bb2406fe210c7f404315a7734355a9466c7fc4ff903e
sha512 e61a52262f9abee28017b6d43d4f7bb065aa0d94a415807b47d0d0c9b024d36a657cee536837d24c8369ee75d0a492b69e84dc123d0c3a3708a132938939ac90
ripemd-160 1440c2306defed30c89ed7ee587fe8bdd3b03247

18125989 as geometric shapes

Circle

Radius = n
Diameter 36251978
Circumference 113888947.7629
Area 1.0321749071859E+15

Sphere

Radius = n
Volume 2.4945588018304E+22
Surface area 4.1286996287438E+15
Circumference 113888947.7629

Square

Length = n
Perimeter 72503956
Area 328551477228121
Diagonal 25634019.475226

Cube

Length = n
Surface area 1971308863368726
Volume 5.9553204621707E+21
Space diagonal 31395133.885435

Equilateral Triangle

Length = n
Perimeter 54377967
Area 1.4226696286523E+14
Altitude 15697566.942717

Triangular Pyramid

Length = n
Surface area 1.4226696286523E+14
Volume 7.0184124715665E+20
Height 8544673.1584085