18908 (number)

18908 is an even 5-digits composite number following 18907 and preceding 18909. In scientific notation, it is written as 1.8908 × 10^4. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 9072 positive integers (up to 18908) that are relatively prime to 18908.

Interesting facts

Basic properties

Name

Name eighteen thousand nine hundred eight

Notation

Scientific notation 1.8908 × 10^4
Engineering notation 1.8908 × 10^3

Prime Factorization of 18908

Prime Factorization 2 × 2 × 29 × 163

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9454
Product of the distinct prime numbers

The prime factorization of 18908 is 2 × 2 × 29 × 163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 69, 37, 751, 549, 6149, 6832, 23127, 87480, 107165, 869012, 3798934, 8476238, 97139629, 47910670, 266865441, 179782810, 2560457852, 5050134958

Basic calculations (n = 18908)

Multiplication

n×y
n×2 37816
n×3 56724
n×4 75632
n×5 94540

Division

n÷y
n÷2 9454
n÷3 6302.6666666667
n÷3 4727
n÷5 3781.6

Exponentiation

ny
n2 357512464
n3 6759845669312
n4 127815161915351296
n5 2.4167290814955E+21

Nth Root

y√n
2√n 137.50636348911
3√n 26.640877845945
4√n 11.726310736507
5√n 7.1668632647692

Divisors of 18908

1, 2, 4, 29, 58, 116, 163, 326, 652, 4727, 9454, 18908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18908 can be divided by 12 positive divisors. The sum of these divisors (counting 18908) is 1, the average is 0.083333333333333.

Base conversion 18908

Base System Value
2 Binary 100100111011100
3 Ternary 221221022
4 Quaternary 10213130
5 Quinary 1101113
6 Senary 223312
8 Octal 44734
10 Decimal 18908
12 Duodecimal ab38
16 Hexadecimal 49dc
20 Vigesimal 2758
36 Base36 el8

Cryptographic Hash Functions

md5 f4bd67327fd01a153081ab6cf611a0e6
sha1 1ae0f0e5cfe4309dee4e320b6a23ab1b672e10d4
sha256 4ac7c2cdf39d6a2926f9d14fbdee3c1c8e649f3db6b66850e58492d1d567d81e
sha512 302e85073f20374c05296c7a9f6a7bea966ac42fa431565d5f5acdd7378392cc1a4ff340fb41d7b725665230209ade270dadf9724f8b4fdf8beaa0856b3ba5f7
ripemd-160 c1fc1281b35fde8e381aaf3e742f19b884c5a157

18908 as geometric shapes

Circle

Radius = n
Diameter 37816
Circumference 118802.46778815
Area 1123158530.4692

Sphere

Radius = n
Volume 28315575325482
Surface area 4492634121.8767
Circumference 118802.46778815

Square

Length = n
Perimeter 75632
Area 357512464
Diagonal 26739.95003735

Cube

Length = n
Surface area 2145074784
Volume 6759845669312
Space diagonal 32749.616669512

Equilateral Triangle

Length = n
Perimeter 56724
Area 154807437.99678
Altitude 16374.808334756

Triangular Pyramid

Length = n
Surface area 154807437.99678
Volume 796655452090.84
Height 8913.3166791168