20280909 (number)

20280909 is an odd 8-digits composite number following 20280908 and preceding 20280910. In scientific notation, it is written as 2.0280909 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12249600 positive integers (up to 20280909) that are relatively prime to 20280909.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighty thousand nine hundred nine

Notation

Scientific notation 2.0280909 × 10^7
Engineering notation 2.0280909 × 10^6

Prime Factorization of 20280909

Prime Factorization 3 × 11 × 1741 × 353

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20280909
Product of the distinct prime numbers

The prime factorization of 20280909 is 3 × 11 × 1741 × 353. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20280909)

Multiplication

n×y
n×2 40561818
n×3 60842727
n×4 81123636
n×5 101404545

Division

n÷y
n÷2 10140454.5
n÷3 6760303
n÷3 5070227.25
n÷5 4056181.8

Exponentiation

ny
n2 411315269866281
n3 8.3418475584685E+21
n4 1.6918025122517E+29
n5 3.4311292796948E+36

Nth Root

y√n
2√n 4503.4330238164
3√n 272.70669837722
4√n 67.107622695312
5√n 28.934600022911

Divisors of 20280909

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20280908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20280909 can be divided by 16 positive divisors. The sum of these divisors (counting 20280909) is 1, the average is 0.0625.

Base conversion 20280909

Base System Value
2 Binary 1001101010111011001001101
3 Ternary 1102011101011210
4 Quaternary 1031113121031
5 Quinary 20142442114
6 Senary 2002405033
8 Octal 115273115
10 Decimal 20280909
12 Duodecimal 6960779
16 Hexadecimal 135764d
20 Vigesimal 66f259
36 Base36 c2oul

Cryptographic Hash Functions

md5 7ad5e7741d9a187bdbb6c60aa28eadaa
sha1 a1f7527e665273958c694b03334fcc39c51a8d03
sha256 9bd8b9ad47f57a8b38422aee83530a46f1a0aef94e1df8522b4302f1a9c272e9
sha512 bea78f1659a2605ee714933582043ca2f9106adc76c3a61788b9d081ca34786103db237d6817ae2c14b6824221d3910f2159a341415e3361b20760fe264c2ef3
ripemd-160 82ea23fbaf695c0ecd4c2fc33c400f0add12c923

20280909 as geometric shapes

Circle

Radius = n
Diameter 40561818
Circumference 127428709.44505
Area 1.2921850301212E+15

Sphere

Radius = n
Volume 3.4942249342734E+22
Surface area 5.1687401204848E+15
Circumference 127428709.44505

Square

Length = n
Perimeter 81123636
Area 411315269866281
Diagonal 28681536.565055

Cube

Length = n
Surface area 2467891619197686
Volume 8.3418475584685E+21
Space diagonal 35127564.811681

Equilateral Triangle

Length = n
Perimeter 60842727
Area 1.7810473633433E+14
Altitude 17563782.40584

Triangular Pyramid

Length = n
Surface area 1.7810473633433E+14
Volume 9.8309616270292E+20
Height 9560512.1883515