18381331 (number)

18381331 is an odd 8-digits composite number following 18381330 and preceding 18381332. In scientific notation, it is written as 1.8381331 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17643360 positive integers (up to 18381331) that are relatively prime to 18381331.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-one thousand three hundred thirty-one

Notation

Scientific notation 1.8381331 × 10^7
Engineering notation 1.8381331 × 10^6

Prime Factorization of 18381331

Prime Factorization 179 × 29 × 3541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18381331
Product of the distinct prime numbers

The prime factorization of 18381331 is 179 × 29 × 3541. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18381331)

Multiplication

n×y
n×2 36762662
n×3 55143993
n×4 73525324
n×5 91906655

Division

n÷y
n÷2 9190665.5
n÷3 6127110.3333333
n÷3 4595332.75
n÷5 3676266.2

Exponentiation

ny
n2 337873329331561
n3 6.2105615025154E+21
n4 1.1415838667359E+29
n5 2.0983830918733E+36

Nth Root

y√n
2√n 4287.3454491095
3√n 263.9119072089
4√n 65.477824101825
5√n 28.371048823308

Divisors of 18381331

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 -18381330
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 18381331 can be divided by 8 positive divisors. The sum of these divisors (counting 18381331) is 1, the average is 0.125.

Base conversion 18381331

Base System Value
2 Binary 1000110000111101000010011
3 Ternary 1021120212110001
4 Quaternary 1012013220103
5 Quinary 14201200311
6 Senary 1453550431
8 Octal 106075023
10 Decimal 18381331
12 Duodecimal 61a5417
16 Hexadecimal 1187a13
20 Vigesimal 5ehd6b
36 Base36 axz4j

Cryptographic Hash Functions

md5 0d7fd8df786f4724dc84b7209adc357d
sha1 0aee395d1f0903aa8fda9a843f6289eccd6180ec
sha256 81df8458b1ffea8fefaa2c83045530d957cb681ec2ab4cc258f4ec7907f2acd9
sha512 6332bd7e2f155ea59db2ae606ce472e7b9ff06262f6879aab202781ff4221caca341bc995306ab016b0e86c7325387aa758c347f947d4ed68546ade77a7b97c6
ripemd-160 d6ec0c747e8882c2d7b73b869bf9263794110282

18381331 as geometric shapes

Circle

Radius = n
Diameter 36762662
Circumference 115493308.8656
Area 1.061460369272E+15

Sphere

Radius = n
Volume 2.601473918796E+22
Surface area 4.2458414770878E+15
Circumference 115493308.8656

Square

Length = n
Perimeter 73525324
Area 337873329331561
Diagonal 25995127.594669

Cube

Length = n
Surface area 2027239975989366
Volume 6.2105615025154E+21
Space diagonal 31837399.202741

Equilateral Triangle

Length = n
Perimeter 55143993
Area 1.4630344323118E+14
Altitude 15918699.60137

Triangular Pyramid

Length = n
Surface area 1.4630344323118E+14
Volume 7.3192169223413E+20
Height 8665042.5315563