20155209 (number)

20155209 is an odd 8-digits composite number following 20155208 and preceding 20155210. In scientific notation, it is written as 2.0155209 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13426080 positive integers (up to 20155209) that are relatively prime to 20155209.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand two hundred nine

Notation

Scientific notation 2.0155209 × 10^7
Engineering notation 2.0155209 × 10^6

Prime Factorization of 20155209

Prime Factorization 3 × 1993 × 3371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20155209
Product of the distinct prime numbers

The prime factorization of 20155209 is 3 × 1993 × 3371. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155209)

Multiplication

n×y
n×2 40310418
n×3 60465627
n×4 80620836
n×5 100776045

Division

n÷y
n÷2 10077604.5
n÷3 6718403
n÷3 5038802.25
n÷5 4031041.8

Exponentiation

ny
n2 406232449833681
n3 8.1876999289799E+21
n4 1.6502480329787E+29
n5 3.3261094006525E+36

Nth Root

y√n
2√n 4489.4553121732
3√n 272.14212313814
4√n 67.003397765883
5√n 28.898643746288

Divisors of 20155209

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 -20155208
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 20155209 can be divided by 8 positive divisors. The sum of these divisors (counting 20155209) is 1, the average is 0.125.

Base conversion 20155209

Base System Value
2 Binary 1001100111000101101001001
3 Ternary 1101220222202020
4 Quaternary 1030320231021
5 Quinary 20124431314
6 Senary 1555555053
8 Octal 114705511
10 Decimal 20155209
12 Duodecimal 68bba89
16 Hexadecimal 1338b49
20 Vigesimal 65j809
36 Base36 bzzux

Cryptographic Hash Functions

md5 714f7f8d1d22e70ff0599eddb35a586d
sha1 1fdfccfa88bb8a98c1ba4552d49e7a400b3b45d8
sha256 7457994ec11ee0a27d0d076be0f45e709fca3e339056aa8d1738c05f5f542c41
sha512 0397a18e5d2b32ca92784ee2cbc1fac44f10e53598305db0e852983fed4bc556210fe83940a47d908df4dd9b6088cb8f3fe9dbe15c771d7d55f74239d8cd5d35
ripemd-160 b73bf8b4f7cda0b02830093e2465371c23a1a5df

20155209 as geometric shapes

Circle

Radius = n
Diameter 40310418
Circumference 126638913.05193
Area 1.2762168800473E+15

Sphere

Radius = n
Volume 3.4296557262241E+22
Surface area 5.1048675201891E+15
Circumference 126638913.05193

Square

Length = n
Perimeter 80620836
Area 406232449833681
Diagonal 28503769.920264

Cube

Length = n
Surface area 2437394699002086
Volume 8.1876999289799E+21
Space diagonal 34909846.025169

Equilateral Triangle

Length = n
Perimeter 60465627
Area 1.7590381069878E+14
Altitude 17454923.012585

Triangular Pyramid

Length = n
Surface area 1.7590381069878E+14
Volume 9.6492969035038E+20
Height 9501256.6400881