18872009 (number)

18872009 is an odd 8-digits composite number following 18872008 and preceding 18872010. In scientific notation, it is written as 1.8872009 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 17329536 positive integers (up to 18872009) that are relatively prime to 18872009.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred seventy-two thousand nine

Notation

Scientific notation 1.8872009 × 10^7
Engineering notation 1.8872009 × 10^6

Prime Factorization of 18872009

Prime Factorization 13 × 197 × 7369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18872009
Product of the distinct prime numbers

The prime factorization of 18872009 is 13 × 197 × 7369. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18872009)

Multiplication

n×y
n×2 37744018
n×3 56616027
n×4 75488036
n×5 94360045

Division

n÷y
n÷2 9436004.5
n÷3 6290669.6666667
n÷3 4718002.25
n÷5 3774401.8

Exponentiation

ny
n2 356152723696081
n3 6.721317406967E+21
n4 1.2684476259614E+29
n5 2.3938155013172E+36

Nth Root

y√n
2√n 4344.1925601888
3√n 266.23963649994
4√n 65.91048899977
5√n 28.520926340286

Divisors of 18872009

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 -18872008
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 18872009 can be divided by 8 positive divisors. The sum of these divisors (counting 18872009) is 1, the average is 0.125.

Base conversion 18872009

Base System Value
2 Binary 1000111111111011011001001
3 Ternary 1022111210112022
4 Quaternary 1013333123021
5 Quinary 14312401014
6 Senary 1512254225
8 Octal 107773311
10 Decimal 18872009
12 Duodecimal 63a1375
16 Hexadecimal 11ff6c9
20 Vigesimal 5hj009
36 Base36 b8hqh

Cryptographic Hash Functions

md5 ffcfb15c11c998ea730434944198f9f5
sha1 64b3b82f3e070f6206b8bfac207a100d86ab93b3
sha256 2c9c9761c856292146b4d2921e372648fbb15911f8c2c7deeb8f0b08c85c64e5
sha512 5cbe72af2091fb910ebcc0295ef823874a1e1894c433c88d82c8992fa66e1993726fc8239af9b253105a78c02272a967743e95065794ec7248f846f4b3bcac11
ripemd-160 0d9fd50882284646ee2712095f6318cf2e4033ab

18872009 as geometric shapes

Circle

Radius = n
Diameter 37744018
Circumference 118576329.66576
Area 1.1188867803196E+15

Sphere

Radius = n
Volume 2.8154188517563E+22
Surface area 4.4755471212784E+15
Circumference 118576329.66576

Square

Length = n
Perimeter 75488036
Area 356152723696081
Diagonal 26689051.077027

Cube

Length = n
Surface area 2136916342176486
Volume 6.721317406967E+21
Space diagonal 32687278.428897

Equilateral Triangle

Length = n
Perimeter 56616027
Area 1.5421865317391E+14
Altitude 16343639.214449

Triangular Pyramid

Length = n
Surface area 1.5421865317391E+14
Volume 7.9211485282892E+20
Height 8896350.359009