18081121 (number)

18081121 is an odd 8-digits composite number following 18081120 and preceding 18081122. In scientific notation, it is written as 1.8081121 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 17902000 positive integers (up to 18081121) that are relatively prime to 18081121.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8081121 × 10^7
Engineering notation 1.8081121 × 10^6

Prime Factorization of 18081121

Prime Factorization 101 × 179021

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18081121
Product of the distinct prime numbers

The prime factorization of 18081121 is 101 × 179021. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081121)

Multiplication

n×y
n×2 36162242
n×3 54243363
n×4 72324484
n×5 90405605

Division

n÷y
n÷2 9040560.5
n÷3 6027040.3333333
n÷3 4520280.25
n÷5 3616224.2

Exponentiation

ny
n2 326926936616641
n3 5.9112054991248E+21
n4 1.0688122188554E+29
n5 1.9325323055403E+36

Nth Root

y√n
2√n 4252.1901415623
3√n 262.46724791672
4√n 65.208819507505
5√n 28.277764317258

Divisors of 18081121

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 -18081120
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 18081121 can be divided by 4 positive divisors. The sum of these divisors (counting 18081121) is 1, the average is 0.25.

Base conversion 18081121

Base System Value
2 Binary 1000100111110010101100001
3 Ternary 1021000121122011
4 Quaternary 1010332111201
5 Quinary 14112043441
6 Senary 1443312521
8 Octal 104762541
10 Decimal 18081121
12 Duodecimal 607b741
16 Hexadecimal 113e561
20 Vigesimal 5d02g1
36 Base36 arjhd

Cryptographic Hash Functions

md5 4b1324ec0c7d4eb9821116743b9344bd
sha1 4ca0ccb43060193f9a476517f42785b02e5bbd3b
sha256 68db46b3b5e809e7b87ae8f85f2733f293fae37b6c3a9f28abb87153d1a8837a
sha512 5659d7a9133f13eab3e339795d9b56c0bfc09542b17e61082da2bc309ec9206ea15ccc209b28ac18b3fcd74558a27ab592fce42c64c2c40a434652a6e10af3ce
ripemd-160 86d8ff7f662bd39e4b431eb669e7f0b252648680

18081121 as geometric shapes

Circle

Radius = n
Diameter 36162242
Circumference 113607033.80454
Area 1.0270712623355E+15

Sphere

Radius = n
Volume 2.4760799693213E+22
Surface area 4.1082850493418E+15
Circumference 113607033.80454

Square

Length = n
Perimeter 72324484
Area 326926936616641
Diagonal 25570566.541109

Cube

Length = n
Surface area 1961561619699846
Volume 5.9112054991248E+21
Space diagonal 31317420.229801

Equilateral Triangle

Length = n
Perimeter 54243363
Area 1.4156351614572E+14
Altitude 15658710.1149

Triangular Pyramid

Length = n
Surface area 1.4156351614572E+14
Volume 6.9664224890306E+20
Height 8523522.1803697