20508979 (number)

20508979 is an odd 8-digits composite number following 20508978 and preceding 20508980. In scientific notation, it is written as 2.0508979 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 19541760 positive integers (up to 20508979) that are relatively prime to 20508979.

Interesting facts

Basic properties

Name

Name twenty million five hundred eight thousand nine hundred seventy-nine

Notation

Scientific notation 2.0508979 × 10^7
Engineering notation 2.0508979 × 10^6

Prime Factorization of 20508979

Prime Factorization 43 × 41 × 11633

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20508979
Product of the distinct prime numbers

The prime factorization of 20508979 is 43 × 41 × 11633. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20508979)

Multiplication

n×y
n×2 41017958
n×3 61526937
n×4 82035916
n×5 102544895

Division

n÷y
n÷2 10254489.5
n÷3 6836326.3333333
n÷3 5127244.75
n÷5 4101795.8

Exponentiation

ny
n2 420618219622441
n3 8.626450233254E+21
n4 1.7691968667835E+29
n5 3.6284421387729E+36

Nth Root

y√n
2√n 4528.6840251888
3√n 273.72513594429
4√n 67.295497807719
5√n 28.99938635653

Divisors of 20508979

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 -20508978
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 20508979 can be divided by 8 positive divisors. The sum of these divisors (counting 20508979) is 1, the average is 0.125.

Base conversion 20508979

Base System Value
2 Binary 1001110001111000100110011
3 Ternary 1102120222000211
4 Quaternary 1032033010303
5 Quinary 20222241404
6 Senary 2011324551
8 Octal 116170463
10 Decimal 20508979
12 Duodecimal 6a50757
16 Hexadecimal 138f133
20 Vigesimal 683c8j
36 Base36 c7ktv

Cryptographic Hash Functions

md5 96f839797a979a618044e485ec2639ee
sha1 11c41de50c9db4f5f5f8f80df4f6831629b6f815
sha256 b7dcf06d3860cc0cfa76b3fbb3337a093dcef58b8ca84c6e46c3f02713103da7
sha512 dcb7ac1c7997b903f839ce18b061f7b05ec2157f91fbe6b9a3939aecd15f60093111166b811bd664cf9f5493e9ccb2a2f8aef67d57dc3dd04d7fbf7636fa2924
ripemd-160 dcd606702ad4a8ccb1946026560a39ebafba98ae

20508979 as geometric shapes

Circle

Radius = n
Diameter 41017958
Circumference 128861715.51805
Area 1.3214111087319E+15

Sphere

Radius = n
Volume 3.6134390239132E+22
Surface area 5.2856444349275E+15
Circumference 128861715.51805

Square

Length = n
Perimeter 82035916
Area 420618219622441
Diagonal 29004076.252225

Cube

Length = n
Surface area 2523709317734646
Volume 8.626450233254E+21
Space diagonal 35522593.639363

Equilateral Triangle

Length = n
Perimeter 61526937
Area 1.8213303174381E+14
Altitude 17761296.819682

Triangular Pyramid

Length = n
Surface area 1.8213303174381E+14
Volume 1.0166369095837E+21
Height 9668025.4174083