18081009 (number)

18081009 is an odd 8-digits composite number following 18081008 and preceding 18081010. In scientific notation, it is written as 1.8081009 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 8 positive divisors. There are 12053988 positive integers (up to 18081009) that are relatively prime to 18081009.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand nine

Notation

Scientific notation 1.8081009 × 10^7
Engineering notation 1.8081009 × 10^6

Prime Factorization of 18081009

Prime Factorization 3 × 3 × 3 × 669667

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2009001
Product of the distinct prime numbers

The prime factorization of 18081009 is 3 × 3 × 3 × 669667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081009)

Multiplication

n×y
n×2 36162018
n×3 54243027
n×4 72324036
n×5 90405045

Division

n÷y
n÷2 9040504.5
n÷3 6027003
n÷3 4520252.25
n÷5 3616201.8

Exponentiation

ny
n2 326922886458081
n3 5.9110956523545E+21
n4 1.0687857369008E+29
n5 1.9324724527976E+36

Nth Root

y√n
2√n 4252.1769718581
3√n 262.46670598143
4√n 65.208718526421
5√n 28.277729284945

Divisors of 18081009

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 -18081008
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 18081009 can be divided by 8 positive divisors. The sum of these divisors (counting 18081009) is 1, the average is 0.125.

Base conversion 18081009

Base System Value
2 Binary 1000100111110010011110001
3 Ternary 1021000121111000
4 Quaternary 1010332103301
5 Quinary 14112043014
6 Senary 1443312213
8 Octal 104762361
10 Decimal 18081009
12 Duodecimal 607b669
16 Hexadecimal 113e4f1
20 Vigesimal 5d02a9
36 Base36 arje9

Cryptographic Hash Functions

md5 5df7905ca75a316b54721bc6f2aa5258
sha1 105db216c8454c83cf4d3dce1d2577b6bde85a17
sha256 ade7c489c30fcb0e432ed08f19a4eb564ec98736473ea8541f1a711f9985d70a
sha512 a71a3427ede31c816a0147ad20475023c38cb008333542a4d86968049ea6aeb7631de2e7ff2d17daf70b02bac9731e6ccfa981dca98c0b305eafa141996951c8
ripemd-160 c38b269625c6a11aaf947bdb5dda8fbc393aec7a

18081009 as geometric shapes

Circle

Radius = n
Diameter 36162018
Circumference 113606330.08778
Area 1.0270585383871E+15

Sphere

Radius = n
Volume 2.4760339568138E+22
Surface area 4.1082341535483E+15
Circumference 113606330.08778

Square

Length = n
Perimeter 72324036
Area 326922886458081
Diagonal 25570408.14919

Cube

Length = n
Surface area 1961537318748486
Volume 5.9110956523545E+21
Space diagonal 31317226.24011

Equilateral Triangle

Length = n
Perimeter 54243027
Area 1.4156176237562E+14
Altitude 15658613.120055

Triangular Pyramid

Length = n
Surface area 1.4156176237562E+14
Volume 6.9662930333704E+20
Height 8523469.3830633