20809211 (number)

20809211 is an odd 8-digits composite number following 20809210 and preceding 20809212. In scientific notation, it is written as 2.0809211 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20091624 positive integers (up to 20809211) that are relatively prime to 20809211.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand two hundred eleven

Notation

Scientific notation 2.0809211 × 10^7
Engineering notation 2.0809211 × 10^6

Prime Factorization of 20809211

Prime Factorization 29 × 717559

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20809211
Product of the distinct prime numbers

The prime factorization of 20809211 is 29 × 717559. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809211)

Multiplication

n×y
n×2 41618422
n×3 62427633
n×4 83236844
n×5 104046055

Division

n÷y
n÷2 10404605.5
n÷3 6936403.6666667
n÷3 5202302.75
n÷5 4161842.2

Exponentiation

ny
n2 433023262442521
n3 9.0108724360748E+21
n4 1.8750914581636E+29
n5 3.9019173797225E+36

Nth Root

y√n
2√n 4561.7114113017
3√n 275.05436280641
4√n 67.540442782837
5√n 29.083798211533

Divisors of 20809211

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809210
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809211 can be divided by 4 positive divisors. The sum of these divisors (counting 20809211) is 1, the average is 0.25.

Base conversion 20809211

Base System Value
2 Binary 1001111011000010111111011
3 Ternary 1110011012212112
4 Quaternary 1033120113323
5 Quinary 20311343321
6 Senary 2022002535
8 Octal 117302773
10 Decimal 20809211
12 Duodecimal 6b7644b
16 Hexadecimal 13d85fb
20 Vigesimal 6a130b
36 Base36 ce0hn

Cryptographic Hash Functions

md5 28a26fffef95a3f9d5021c5b70416c10
sha1 c78ca28da898bd737d788a2709d9f6a4c9cd4089
sha256 f1e37b82d23e2d6ebc73cfbccbf0e37e6f8fd7487c98ef8f755f9fee413d5484
sha512 1469bc413104eb04aa7c22755129c82e6fb6d93a7da1474dc10ccd2c73da20314bda989176e23dc4c45de05bed9a5c31deff1fc60ed154d96f94b1482539c56c
ripemd-160 5d70d7eef03c5e94cc144d04d08a7916e5e882ff

20809211 as geometric shapes

Circle

Radius = n
Diameter 41618422
Circumference 130748128.8092
Area 1.3603827001229E+15

Sphere

Radius = n
Volume 3.774465419681E+22
Surface area 5.4415308004916E+15
Circumference 130748128.8092

Square

Length = n
Perimeter 83236844
Area 433023262442521
Diagonal 29428668.418483

Cube

Length = n
Surface area 2598139574655126
Volume 9.0108724360748E+21
Space diagonal 36042610.717421

Equilateral Triangle

Length = n
Perimeter 62427633
Area 1.8750457285242E+14
Altitude 18021305.358711

Triangular Pyramid

Length = n
Surface area 1.8750457285242E+14
Volume 1.0619415006592E+21
Height 9809556.1394945