20990903 (number)

20990903 is an odd 8-digits composite number following 20990902 and preceding 20990904. In scientific notation, it is written as 2.0990903 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 19756128 positive integers (up to 20990903) that are relatively prime to 20990903.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety thousand nine hundred three

Notation

Scientific notation 2.0990903 × 10^7
Engineering notation 2.0990903 × 10^6

Prime Factorization of 20990903

Prime Factorization 17 × 1234759

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20990903
Product of the distinct prime numbers

The prime factorization of 20990903 is 17 × 1234759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20990903)

Multiplication

n×y
n×2 41981806
n×3 62972709
n×4 83963612
n×5 104954515

Division

n÷y
n÷2 10495451.5
n÷3 6996967.6666667
n÷3 5247725.75
n÷5 4198180.6

Exponentiation

ny
n2 440618008755409
n3 9.2489698818379E+21
n4 1.9414422963958E+29
n5 4.0752626923742E+36

Nth Root

y√n
2√n 4581.5830233665
3√n 275.85257389499
4√n 67.687391908438
5√n 29.134409779722

Divisors of 20990903

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20990902
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20990903 can be divided by 4 positive divisors. The sum of these divisors (counting 20990903) is 1, the average is 0.25.

Base conversion 20990903

Base System Value
2 Binary 1010000000100101110110111
3 Ternary 1110111110002212
4 Quaternary 1100010232313
5 Quinary 20333202103
6 Senary 2025524035
8 Octal 120045667
10 Decimal 20990903
12 Duodecimal 704361b
16 Hexadecimal 1404bb7
20 Vigesimal 6b3h53
36 Base36 chwon

Cryptographic Hash Functions

md5 3d2aafa017b19fbdc52f6bcab86e9c8a
sha1 800efc21ec61043c6dbecb9fee45fc1c43be5322
sha256 f160e09a04aa883e1e7ce2e0648d03e621ac0470fb5b3f8e00e559bd6fde0306
sha512 cedfe1a5d8223f95ea4f4be3ed75e645c56fc411818a97b4ec592f6d6b39689c7b859505d7f6aa1ef01cd991958136c972ab2ba28d99b0d0e78147e00a53cabd
ripemd-160 00a3027818f0cc219d1efd85adcd27e51846e443

20990903 as geometric shapes

Circle

Radius = n
Diameter 41981806
Circumference 131889733.31403
Area 1.3842422993454E+15

Sphere

Radius = n
Volume 3.8741994445407E+22
Surface area 5.5369691973814E+15
Circumference 131889733.31403

Square

Length = n
Perimeter 83963612
Area 440618008755409
Diagonal 29685619.709058

Cube

Length = n
Surface area 2643708052532454
Volume 9.2489698818379E+21
Space diagonal 36357310.49275

Equilateral Triangle

Length = n
Perimeter 62972709
Area 1.9079319447355E+14
Altitude 18178655.246375

Triangular Pyramid

Length = n
Surface area 1.9079319447355E+14
Volume 1.0900015537396E+21
Height 9895206.569686