18168081 (number)

18168081 is an odd 8-digits composite number following 18168080 and preceding 18168082. In scientific notation, it is written as 1.8168081 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 12112052 positive integers (up to 18168081) that are relatively prime to 18168081.

Interesting facts

Basic properties

Name

Name eighteen million one hundred sixty-eight thousand eighty-one

Notation

Scientific notation 1.8168081 × 10^7
Engineering notation 1.8168081 × 10^6

Prime Factorization of 18168081

Prime Factorization 3 × 6056027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18168081
Product of the distinct prime numbers

The prime factorization of 18168081 is 3 × 6056027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18168081)

Multiplication

n×y
n×2 36336162
n×3 54504243
n×4 72672324
n×5 90840405

Division

n÷y
n÷2 9084040.5
n÷3 6056027
n÷3 4542020.25
n÷5 3633616.2

Exponentiation

ny
n2 330079167222561
n3 5.996905046512E+21
n4 1.0895225663434E+29
n5 1.9794534236655E+36

Nth Root

y√n
2√n 4262.4031953817
3√n 262.88734832417
4√n 65.28708291371
5√n 28.304912162378

Divisors of 18168081

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 -18168080
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 18168081 can be divided by 4 positive divisors. The sum of these divisors (counting 18168081) is 1, the average is 0.25.

Base conversion 18168081

Base System Value
2 Binary 1000101010011100100010001
3 Ternary 1021012000220220
4 Quaternary 1011103210101
5 Quinary 14122334311
6 Senary 1445223253
8 Octal 105234421
10 Decimal 18168081
12 Duodecimal 6101b29
16 Hexadecimal 1153911
20 Vigesimal 5db041
36 Base36 atekx

Cryptographic Hash Functions

md5 a8d6e81e7ed376e22159fee6878174f8
sha1 af91b723efddd9b0a4c35608348c50ea3d14e92d
sha256 6f979c39b66dc91dfe34d3dd622e1fcefd257d66d2e2d1108c0211c48eae1472
sha512 2c406c5d5d9ae25825e99c26321f25659bbdd2aebf518cc34a66406818fc6ab22bb1e81f9a7bc48a676663f9cd80645f7663d4c21bc2ea52c62c89654b6254b2
ripemd-160 6df3732cdb82a3d76a2c6c9f40f90c860696ada7

18168081 as geometric shapes

Circle

Radius = n
Diameter 36336162
Circumference 114153419.59885
Area 1.0369742868494E+15

Sphere

Radius = n
Volume 2.5119777117864E+22
Surface area 4.1478971473977E+15
Circumference 114153419.59885

Square

Length = n
Perimeter 72672324
Area 330079167222561
Diagonal 25693546.552493

Cube

Length = n
Surface area 1980475003335366
Volume 5.996905046512E+21
Space diagonal 31468039.368027

Equilateral Triangle

Length = n
Perimeter 54504243
Area 1.4292847203737E+14
Altitude 15734019.684013

Triangular Pyramid

Length = n
Surface area 1.4292847203737E+14
Volume 7.0674203742008E+20
Height 8564515.5174976