18081454 (number)

18081454 is an even 8-digits composite number following 18081453 and preceding 18081455. In scientific notation, it is written as 1.8081454 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 9040726 positive integers (up to 18081454) that are relatively prime to 18081454.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand four hundred fifty-four

Notation

Scientific notation 1.8081454 × 10^7
Engineering notation 1.8081454 × 10^6

Prime Factorization of 18081454

Prime Factorization 2 × 9040727

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18081454
Product of the distinct prime numbers

The prime factorization of 18081454 is 2 × 9040727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081454)

Multiplication

n×y
n×2 36162908
n×3 54244362
n×4 72325816
n×5 90407270

Division

n÷y
n÷2 9040727
n÷3 6027151.3333333
n÷3 4520363.5
n÷5 3616290.8

Exponentiation

ny
n2 326938978754116
n3 5.9115321051495E+21
n4 1.0688909582878E+29
n5 1.9327102693298E+36

Nth Root

y√n
2√n 4252.2292976743
3√n 262.46885919324
4√n 65.209119743134
5√n 28.277868474806

Divisors of 18081454

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 -18081453
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 18081454 can be divided by 4 positive divisors. The sum of these divisors (counting 18081454) is 1, the average is 0.25.

Base conversion 18081454

Base System Value
2 Binary 1000100111110011010101110
3 Ternary 1021000122002111
4 Quaternary 1010332122232
5 Quinary 14112101304
6 Senary 1443314234
8 Octal 104763256
10 Decimal 18081454
12 Duodecimal 607b97a
16 Hexadecimal 113e6ae
20 Vigesimal 5d03ce
36 Base36 arjqm

Cryptographic Hash Functions

md5 643bf21ca5f935434c8bd6fce1f733ca
sha1 61ae02389562c66f0e0cd21d2873c7681f9a0638
sha256 c181e3cc821fb082ec2ed0adb95f801e8783bfd143b64b908b32681e9f9c430f
sha512 6469320a346700d92045cd4331ae3e2f5b2adf1f3f4e8c8f12d3267a3cfb35aaebe0efa2af57a20a650a2caf8952b6b9b186ac312889ca7d21321af677483568
ripemd-160 a12cef0ff0321cf0decdc832ade3070d3d877f67

18081454 as geometric shapes

Circle

Radius = n
Diameter 36162908
Circumference 113609126.10524
Area 1.0271090938261E+15

Sphere

Radius = n
Volume 2.4762167777331E+22
Surface area 4.1084363753043E+15
Circumference 113609126.10524

Square

Length = n
Perimeter 72325816
Area 326938978754116
Diagonal 25571037.474225

Cube

Length = n
Surface area 1961633872524696
Volume 5.9115321051495E+21
Space diagonal 31317997.00272

Equilateral Triangle

Length = n
Perimeter 54244362
Area 1.415687305442E+14
Altitude 15658998.50136

Triangular Pyramid

Length = n
Surface area 1.415687305442E+14
Volume 6.966807397922E+20
Height 8523679.1580751