20908 (number)

20908 is an even 5-digits composite number following 20907 and preceding 20909. In scientific notation, it is written as 2.0908 × 10^4. The sum of its digits is 19. It has a total of 3 prime factors and 6 positive divisors. There are 10452 positive integers (up to 20908) that are relatively prime to 20908.

Interesting facts

Basic properties

Name

Name twenty thousand nine hundred eight

Notation

Scientific notation 2.0908 × 10^4
Engineering notation 2.0908 × 10^3

Prime Factorization of 20908

Prime Factorization 2 × 2 × 5227

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10454
Product of the distinct prime numbers

The prime factorization of 20908 is 2 × 2 × 5227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 4, 98, 434, 325, 3995, 9150, 82493, 19403, 313962, 134091, 5647351, 9110312, 39073207, 59107542, 438812398, 271119120, 6305643017, 8319059745

Basic calculations (n = 20908)

Multiplication

n×y
n×2 41816
n×3 62724
n×4 83632
n×5 104540

Division

n÷y
n÷2 10454
n÷3 6969.3333333333
n÷3 5227
n÷5 4181.6

Exponentiation

ny
n2 437144464
n3 9139816453312
n4 191095282405847296
n5 3.9954201645415E+21

Nth Root

y√n
2√n 144.59598887936
3√n 27.548893733926
4√n 12.024807228366
5√n 7.3124430753969

Divisors of 20908

1, 2, 4, 5227, 10454, 20908

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20908 can be divided by 6 positive divisors. The sum of these divisors (counting 20908) is 1, the average is 0.16666666666667.

Base conversion 20908

Base System Value
2 Binary 101000110101100
3 Ternary 1001200101
4 Quaternary 11012230
5 Quinary 1132113
6 Senary 240444
8 Octal 50654
10 Decimal 20908
12 Duodecimal 10124
16 Hexadecimal 51ac
20 Vigesimal 2c58
36 Base36 g4s

Cryptographic Hash Functions

md5 25e016f0840e4b586dcbc6cbba55961b
sha1 85928461b9c8ae6620cd8773658f9da7ac6d77e1
sha256 6260c5396105f84a82abe20a2dc8e5d4621e94d4d2f4c9e084cc2d58006a0901
sha512 3699b7df512f76970a1fa044fe82eee33f98d915a9b80804b87c9e3fc19316973f256dde92624ccbedc993a1fed12dd54b27680b711ad8da9d25a8f9113afd9b
ripemd-160 8b6486068f6ecdcf3f4e54e02947c3c09a7f8d85

20908 as geometric shapes

Circle

Radius = n
Diameter 41816
Circumference 131368.83840251
Area 1373329836.6598

Sphere

Radius = n
Volume 38284773633179
Surface area 5493319346.6394
Circumference 131368.83840251

Square

Length = n
Perimeter 83632
Area 437144464
Diagonal 29568.377162097

Cube

Length = n
Surface area 2622866784
Volume 9139816453312
Space diagonal 36213.71828465

Equilateral Triangle

Length = n
Perimeter 62724
Area 189289105.47387
Altitude 18106.859142325

Triangular Pyramid

Length = n
Surface area 189289105.47387
Volume 1077137698822.9
Height 9856.1257206989