20809311 (number)

20809311 is an odd 8-digits composite number following 20809310 and preceding 20809312. In scientific notation, it is written as 2.0809311 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13697112 positive integers (up to 20809311) that are relatively prime to 20809311.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand three hundred eleven

Notation

Scientific notation 2.0809311 × 10^7
Engineering notation 2.0809311 × 10^6

Prime Factorization of 20809311

Prime Factorization 3 × 79 × 87803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20809311
Product of the distinct prime numbers

The prime factorization of 20809311 is 3 × 79 × 87803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809311)

Multiplication

n×y
n×2 41618622
n×3 62427933
n×4 83237244
n×5 104046555

Division

n÷y
n÷2 10404655.5
n÷3 6936437
n÷3 5202327.75
n÷5 4161862.2

Exponentiation

ny
n2 433027424294721
n3 9.0110023436778E+21
n4 1.8751275019132E+29
n5 3.9020111351965E+36

Nth Root

y√n
2√n 4561.7223720871
3√n 275.05480340284
4√n 67.540523925175
5√n 29.083826164291

Divisors of 20809311

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 -20809310
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 20809311 can be divided by 8 positive divisors. The sum of these divisors (counting 20809311) is 1, the average is 0.125.

Base conversion 20809311

Base System Value
2 Binary 1001111011000011001011111
3 Ternary 1110011020000020
4 Quaternary 1033120121133
5 Quinary 20311344221
6 Senary 2022003223
8 Octal 117303137
10 Decimal 20809311
12 Duodecimal 6b76513
16 Hexadecimal 13d865f
20 Vigesimal 6a135b
36 Base36 ce0kf

Cryptographic Hash Functions

md5 acc320f254602de0a4874fe0717eeca2
sha1 5b779bd118b22add38c9094ca5a035815ad4c5fb
sha256 822870d5ad483f156f2c46d5f61d360eec75ef7d4fdea9dfc755b906172618a2
sha512 7c1f77f0b0d1da2a238da60ce0646a63e8902d1fcdb61aa2f0c4dc5da199b2b8cf6d6117a0771b7fb36327be4489fbab645f7f98708954c9f4baaf1985d1a729
ripemd-160 d704d8540bdb7d5b13ec25d6df7ff227bf4626b3

20809311 as geometric shapes

Circle

Radius = n
Diameter 41618622
Circumference 130748757.12773
Area 1.3603957749672E+15

Sphere

Radius = n
Volume 3.7745198352505E+22
Surface area 5.4415830998688E+15
Circumference 130748757.12773

Square

Length = n
Perimeter 83237244
Area 433027424294721
Diagonal 29428809.83984

Cube

Length = n
Surface area 2598164545768326
Volume 9.0110023436778E+21
Space diagonal 36042783.922502

Equilateral Triangle

Length = n
Perimeter 62427933
Area 1.8750637498729E+14
Altitude 18021391.961251

Triangular Pyramid

Length = n
Surface area 1.8750637498729E+14
Volume 1.0619568104171E+21
Height 9809603.2799465