20782909 (number)

20782909 is an odd 8-digits composite number following 20782908 and preceding 20782910. In scientific notation, it is written as 2.0782909 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 17715264 positive integers (up to 20782909) that are relatively prime to 20782909.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-two thousand nine hundred nine

Notation

Scientific notation 2.0782909 × 10^7
Engineering notation 2.0782909 × 10^6

Prime Factorization of 20782909

Prime Factorization 7 × 7 × 197 × 2153

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2968987
Product of the distinct prime numbers

The prime factorization of 20782909 is 7 × 7 × 197 × 2153. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 100, 3, 267, 957, 4233, 3299, 49334, 37478, 108324, 631153, 5264521, 1052808, 28158819, 88327099, 125220276, 749922538, 7587986068, 3317907221

Basic calculations (n = 20782909)

Multiplication

n×y
n×2 41565818
n×3 62348727
n×4 83131636
n×5 103914545

Division

n÷y
n÷2 10391454.5
n÷3 6927636.3333333
n÷3 5195727.25
n÷5 4156581.8

Exponentiation

ny
n2 431929306502281
n3 8.97674747147E+21
n4 1.8656292581554E+29
n5 3.8773203099981E+36

Nth Root

y√n
2√n 4558.8275905105
3√n 274.93842808849
4√n 67.519090563414
5√n 29.076442342955

Divisors of 20782909

1, 7, 49, 197, 1379, 2153, 9653, 15071, 105497, 424141, 2968987, 20782909

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 -20782908
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 20782909 can be divided by 12 positive divisors. The sum of these divisors (counting 20782909) is 1, the average is 0.083333333333333.

Base conversion 20782909

Base System Value
2 Binary 1001111010001111100111101
3 Ternary 1110002212210101
4 Quaternary 1033101330331
5 Quinary 20310023114
6 Senary 2021241101
8 Octal 117217475
10 Decimal 20782909
12 Duodecimal 6b63191
16 Hexadecimal 13d1f3d
20 Vigesimal 69hh59
36 Base36 cdg71

Cryptographic Hash Functions

md5 83d38db588a2ff586aefe34b822e6f45
sha1 bf44fd687c22305b90b2786aa938ca9df5d3097e
sha256 34361e43cf4ae1b2c157a78dfd4398dcee67ba10f94a6a0233fb2ee8817dfd75
sha512 11f50f38e2df3a912fe79b2c56f682e3a82e7e573aaf80172df6241c53d0bba07622ca996f75256572fa185a3a99a3784d000559cc62211e1c72b2a5f473be49
ripemd-160 6fee0857d588c07970edc40ca93079521366633a

20782909 as geometric shapes

Circle

Radius = n
Diameter 41565818
Circumference 130582868.46925
Area 1.3569459361777E+15

Sphere

Radius = n
Volume 3.7601711879335E+22
Surface area 5.4277837447108E+15
Circumference 130582868.46925

Square

Length = n
Perimeter 83131636
Area 431929306502281
Diagonal 29391471.773366

Cube

Length = n
Surface area 2591575839013686
Volume 8.97674747147E+21
Space diagonal 35997054.31708

Equilateral Triangle

Length = n
Perimeter 62348727
Area 1.8703087603499E+14
Altitude 17998527.15854

Triangular Pyramid

Length = n
Surface area 1.8703087603499E+14
Volume 1.0579198350126E+21
Height 9797157.2577886