20990908 (number)

20990908 is an even 8-digits composite number following 20990907 and preceding 20990909. In scientific notation, it is written as 2.0990908 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 10484240 positive integers (up to 20990908) that are relatively prime to 20990908.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety thousand nine hundred eight

Notation

Scientific notation 2.0990908 × 10^7
Engineering notation 2.0990908 × 10^6

Prime Factorization of 20990908

Prime Factorization 2 × 2 × 4421 × 1187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10495454
Product of the distinct prime numbers

The prime factorization of 20990908 is 2 × 2 × 4421 × 1187. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20990908)

Multiplication

n×y
n×2 41981816
n×3 62972724
n×4 83963632
n×5 104954540

Division

n÷y
n÷2 10495454
n÷3 6996969.3333333
n÷3 5247727
n÷5 4198181.6

Exponentiation

ny
n2 440618218664464
n3 9.2489764911096E+21
n4 1.9414441461905E+29
n5 4.0752675459822E+36

Nth Root

y√n
2√n 4581.5835690294
3√n 275.85259579754
4√n 67.687395939195
5√n 29.134411167676

Divisors of 20990908

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 -20990907
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 20990908 can be divided by 12 positive divisors. The sum of these divisors (counting 20990908) is 1, the average is 0.083333333333333.

Base conversion 20990908

Base System Value
2 Binary 1010000000100101110111100
3 Ternary 1110111110010001
4 Quaternary 1100010232330
5 Quinary 20333202113
6 Senary 2025524044
8 Octal 120045674
10 Decimal 20990908
12 Duodecimal 7043624
16 Hexadecimal 1404bbc
20 Vigesimal 6b3h58
36 Base36 chwos

Cryptographic Hash Functions

md5 5e76a7fa603fcda6c978bad11b334c92
sha1 da35da1cb39d98dc13edee86e053f02585bd1c89
sha256 4293776452661a64039fadcf2c82c7c03b3263073534122a46e48a817a124851
sha512 b8d1e34216c4b9865af36858a17dbc26dfba337a13e30f87ec1212b668f2741e543bb347e7678495cc1ce6b49fd0369aafe71eaf502af06a375a1f89fa3d36d0
ripemd-160 2b17c8be830d422fdab3ebd5cecaf7a7463cf934

20990908 as geometric shapes

Circle

Radius = n
Diameter 41981816
Circumference 131889764.72996
Area 1.3842429587941E+15

Sphere

Radius = n
Volume 3.874202213026E+22
Surface area 5.5369718351764E+15
Circumference 131889764.72996

Square

Length = n
Perimeter 83963632
Area 440618218664464
Diagonal 29685626.780126

Cube

Length = n
Surface area 2643709311986784
Volume 9.2489764911096E+21
Space diagonal 36357319.153004

Equilateral Triangle

Length = n
Perimeter 62972724
Area 1.9079328536684E+14
Altitude 18178659.576502

Triangular Pyramid

Length = n
Surface area 1.9079328536684E+14
Volume 1.0900023326498E+21
Height 9895208.9267086