20512209 (number)

20512209 is an odd 8-digits composite number following 20512208 and preceding 20512210. In scientific notation, it is written as 2.0512209 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13613040 positive integers (up to 20512209) that are relatively prime to 20512209.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand two hundred nine

Notation

Scientific notation 2.0512209 × 10^7
Engineering notation 2.0512209 × 10^6

Prime Factorization of 20512209

Prime Factorization 3 × 223 × 30661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20512209
Product of the distinct prime numbers

The prime factorization of 20512209 is 3 × 223 × 30661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512209)

Multiplication

n×y
n×2 41024418
n×3 61536627
n×4 82048836
n×5 102561045

Division

n÷y
n÷2 10256104.5
n÷3 6837403
n÷3 5128052.25
n÷5 4102441.8

Exponentiation

ny
n2 420750718059681
n3 8.6305266657403E+21
n4 1.7703116674774E+29
n5 3.6313002918434E+36

Nth Root

y√n
2√n 4529.0406268878
3√n 273.73950502915
4√n 67.298147276784
5√n 29.000299733229

Divisors of 20512209

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20512208
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20512209 can be divided by 8 positive divisors. The sum of these divisors (counting 20512209) is 1, the average is 0.125.

Base conversion 20512209

Base System Value
2 Binary 1001110001111110111010001
3 Ternary 1102121010110110
4 Quaternary 1032033313101
5 Quinary 20222342314
6 Senary 2011351533
8 Octal 116176721
10 Decimal 20512209
12 Duodecimal 6a525a9
16 Hexadecimal 138fdd1
20 Vigesimal 6840a9
36 Base36 c7nbl

Cryptographic Hash Functions

md5 7e5bea4481e89c04fe5512acc9ab6239
sha1 77ff4bf59b02534b5c04e552ecb86d9a861ea532
sha256 1207b943a270f1d5925fdcf58322c2c0df3d07d7089232e69574717654e75e7c
sha512 108635fa4bcae7a2cde4c9a50a7b046fd13f5622fdc2916d94420e179fe9113078d62d764ae8a70211241aa45ab4ab94d534d86e2e9aedbff8e32fa5e31350f0
ripemd-160 ba7ddc1829be8fa59870f6b713c4a3bfaf071da3

20512209 as geometric shapes

Circle

Radius = n
Diameter 41024418
Circumference 128882010.2066
Area 1.3218273648489E+15

Sphere

Radius = n
Volume 3.6151465559601E+22
Surface area 5.2873094593957E+15
Circumference 128882010.2066

Square

Length = n
Perimeter 82048836
Area 420750718059681
Diagonal 29008644.162031

Cube

Length = n
Surface area 2524504308358086
Volume 8.6305266657403E+21
Space diagonal 35528188.163472

Equilateral Triangle

Length = n
Perimeter 61536627
Area 1.8219040525011E+14
Altitude 17764094.081736

Triangular Pyramid

Length = n
Surface area 1.8219040525011E+14
Volume 1.0171173217594E+21
Height 9669548.0540105