18102009 (number)

18102009 is an odd 8-digits composite number following 18102008 and preceding 18102010. In scientific notation, it is written as 1.8102009 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 12036816 positive integers (up to 18102009) that are relatively prime to 18102009.

Interesting facts

Basic properties

Name

Name eighteen million one hundred two thousand nine

Notation

Scientific notation 1.8102009 × 10^7
Engineering notation 1.8102009 × 10^6

Prime Factorization of 18102009

Prime Factorization 3 × 397 × 15199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18102009
Product of the distinct prime numbers

The prime factorization of 18102009 is 3 × 397 × 15199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18102009)

Multiplication

n×y
n×2 36204018
n×3 54306027
n×4 72408036
n×5 90510045

Division

n÷y
n÷2 9051004.5
n÷3 6034003
n÷3 4525502.25
n÷5 3620401.8

Exponentiation

ny
n2 327682729836081
n3 5.9317157246373E+21
n4 1.0737597143283E+29
n5 1.9437208012608E+36

Nth Root

y√n
2√n 4254.6455786587
3√n 262.56827974366
4√n 65.22764428261
5√n 28.28429481043

Divisors of 18102009

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 -18102008
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 18102009 can be divided by 8 positive divisors. The sum of these divisors (counting 18102009) is 1, the average is 0.125.

Base conversion 18102009

Base System Value
2 Binary 1000101000011011011111001
3 Ternary 1021001200021210
4 Quaternary 1011003123321
5 Quinary 14113231014
6 Senary 1443553333
8 Octal 105033371
10 Decimal 18102009
12 Duodecimal 608b849
16 Hexadecimal 11436f9
20 Vigesimal 5d2f09
36 Base36 arzll

Cryptographic Hash Functions

md5 f572fba3e8ced511c8189b427e983c43
sha1 4dd82385fe8e366bc8c39ccb18b6e486e0a27255
sha256 76e92d21777df0dd5040c187a6ea8af63f032528e66fe85a7d3dfd3924108456
sha512 f3eec1565af0db7d0542cf87292a678330018f53f34023c34d708c72b886c6b8c7b4392e2950644a101d793ad6e24b107e7aba4b49ad167f9eb6d4a7f451f7be
ripemd-160 eec531fb3615252df51a60f732a00adfcad87fe4

18102009 as geometric shapes

Circle

Radius = n
Diameter 36204018
Circumference 113738276.97923
Area 1.0294456567613E+15

Sphere

Radius = n
Volume 2.4846712724938E+22
Surface area 4.1177826270451E+15
Circumference 113738276.97923

Square

Length = n
Perimeter 72408036
Area 327682729836081
Diagonal 25600106.634

Cube

Length = n
Surface area 1966096379016486
Volume 5.9317157246373E+21
Space diagonal 31353599.307069

Equilateral Triangle

Length = n
Perimeter 54306027
Area 1.4189078420974E+14
Altitude 15676799.653535

Triangular Pyramid

Length = n
Surface area 1.4189078420974E+14
Volume 6.9905940216032E+20
Height 8533368.8779999