20478909 (number)

20478909 is an odd 8-digits composite number following 20478908 and preceding 20478910. In scientific notation, it is written as 2.0478909 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 12240000 positive integers (up to 20478909) that are relatively prime to 20478909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0478909 × 10^7
Engineering notation 2.0478909 × 10^6

Prime Factorization of 20478909

Prime Factorization 3 × 11 × 73 × 8501

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20478909
Product of the distinct prime numbers

The prime factorization of 20478909 is 3 × 11 × 73 × 8501. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20478909)

Multiplication

n×y
n×2 40957818
n×3 61436727
n×4 81915636
n×5 102394545

Division

n÷y
n÷2 10239454.5
n÷3 6826303
n÷3 5119727.25
n÷5 4095781.8

Exponentiation

ny
n2 419385713830281
n3 8.5885618694304E+21
n4 1.7588437696493E+29
n5 3.6019201503866E+36

Nth Root

y√n
2√n 4525.3628583794
3√n 273.59129309096
4√n 67.270817286394
5√n 28.990877659818

Divisors of 20478909

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 -20478908
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 20478909 can be divided by 16 positive divisors. The sum of these divisors (counting 20478909) is 1, the average is 0.0625.

Base conversion 20478909

Base System Value
2 Binary 1001110000111101110111101
3 Ternary 1102112102210010
4 Quaternary 1032013232331
5 Quinary 20220311114
6 Senary 2010533433
8 Octal 116075675
10 Decimal 20478909
12 Duodecimal 6a37279
16 Hexadecimal 1387bbd
20 Vigesimal 67jh59
36 Base36 c6xml

Cryptographic Hash Functions

md5 06fbb7fa94d466cf3aaecf66d3162a49
sha1 9ff50d7aa97497464e1fd6f332efa35c99f439c6
sha256 dd3f73ed80da30e20ab0312c3de236615c42e59692c4e166b26ce22860a9f811
sha512 2052b8c9c60782f2e92c1f15d561a9050de0914fab525052205dbd92b3f6edcad22ecdb333aebda55cf1add0a4a3fe73883eba71954c5cc2e14aa1e1e96f9636
ripemd-160 eaa9f0c69c2109f22ab8e3adec0b2c2d61d0879c

20478909 as geometric shapes

Circle

Radius = n
Diameter 40957818
Circumference 128672780.13587
Area 1.3175390775897E+15

Sphere

Radius = n
Volume 3.5975683831872E+22
Surface area 5.2701563103589E+15
Circumference 128672780.13587

Square

Length = n
Perimeter 81915636
Area 419385713830281
Diagonal 28961550.850404

Cube

Length = n
Surface area 2516314282981686
Volume 8.5885618694304E+21
Space diagonal 35470510.87158

Equilateral Triangle

Length = n
Perimeter 61436727
Area 1.8159934108065E+14
Altitude 17735255.43579

Triangular Pyramid

Length = n
Surface area 1.8159934108065E+14
Volume 1.0121717230857E+21
Height 9653850.2834681