18081613 (number)

18081613 is an odd 8-digits composite number following 18081612 and preceding 18081614. In scientific notation, it is written as 1.8081613 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16411680 positive integers (up to 18081613) that are relatively prime to 18081613.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand six hundred thirteen

Notation

Scientific notation 1.8081613 × 10^7
Engineering notation 1.8081613 × 10^6

Prime Factorization of 18081613

Prime Factorization 11 × 1049 × 1567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18081613
Product of the distinct prime numbers

The prime factorization of 18081613 is 11 × 1049 × 1567. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081613)

Multiplication

n×y
n×2 36163226
n×3 54244839
n×4 72326452
n×5 90408065

Division

n÷y
n÷2 9040806.5
n÷3 6027204.3333333
n÷3 4520403.25
n÷5 3616322.6

Exponentiation

ny
n2 326944728681769
n3 5.9116880564137E+21
n4 1.068928556128E+29
n5 1.9327952476554E+36

Nth Root

y√n
2√n 4252.2479937087
3√n 262.46962853451
4√n 65.209263097422
5√n 28.277918207148

Divisors of 18081613

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081612
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081613 can be divided by 8 positive divisors. The sum of these divisors (counting 18081613) is 1, the average is 0.125.

Base conversion 18081613

Base System Value
2 Binary 1000100111110011101001101
3 Ternary 1021000122022101
4 Quaternary 1010332131031
5 Quinary 14112102423
6 Senary 1443315101
8 Octal 104763515
10 Decimal 18081613
12 Duodecimal 607ba91
16 Hexadecimal 113e74d
20 Vigesimal 5d040d
36 Base36 arjv1

Cryptographic Hash Functions

md5 e4456cca0b81eed430b1a43095c19122
sha1 4e39c025b868dd04ed00847ce9f90d5d8a61190d
sha256 2d4388546dd4bf9b2f77d8a743c20f1e47e398c961a24e18a568554ff35b6098
sha512 d0dc4b86354c4f657a517bcbb6550d1316c88d7a432327abef536c1a49e41fbe5d792a21d1c7af2fb9efb7252368c82667a4accd9d342424405f4b1ff71c0162
ripemd-160 09cab24706e595b810d774583afee5a428bcb303

18081613 as geometric shapes

Circle

Radius = n
Diameter 36163226
Circumference 113610125.13171
Area 1.0271271577566E+15

Sphere

Radius = n
Volume 2.4762821024459E+22
Surface area 4.1085086310262E+15
Circumference 113610125.13171

Square

Length = n
Perimeter 72326452
Area 326944728681769
Diagonal 25571262.334182

Cube

Length = n
Surface area 1961668372090614
Volume 5.9116880564137E+21
Space diagonal 31318272.398798

Equilateral Triangle

Length = n
Perimeter 54244839
Area 1.4157122033591E+14
Altitude 15659136.199399

Triangular Pyramid

Length = n
Surface area 1.4157122033591E+14
Volume 6.9669911882495E+20
Height 8523754.1113939