20720811 (number)

20720811 is an odd 8-digits composite number following 20720810 and preceding 20720812. In scientific notation, it is written as 2.0720811 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13086792 positive integers (up to 20720811) that are relatively prime to 20720811.

Interesting facts

Basic properties

Name

Name twenty million seven hundred twenty thousand eight hundred eleven

Notation

Scientific notation 2.0720811 × 10^7
Engineering notation 2.0720811 × 10^6

Prime Factorization of 20720811

Prime Factorization 3 × 19 × 363523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20720811
Product of the distinct prime numbers

The prime factorization of 20720811 is 3 × 19 × 363523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20720811)

Multiplication

n×y
n×2 41441622
n×3 62162433
n×4 82883244
n×5 103604055

Division

n÷y
n÷2 10360405.5
n÷3 6906937
n÷3 5180202.75
n÷5 4144162.2

Exponentiation

ny
n2 429352008497721
n3 8.8965218205517E+21
n4 1.8434314720103E+29
n5 3.8197395122977E+36

Nth Root

y√n
2√n 4552.0117530604
3√n 274.66432210297
4√n 67.468598274015
5√n 29.059045829435

Divisors of 20720811

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 -20720810
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 20720811 can be divided by 8 positive divisors. The sum of these divisors (counting 20720811) is 1, the average is 0.125.

Base conversion 20720811

Base System Value
2 Binary 1001111000010110010101011
3 Ternary 1102222201121110
4 Quaternary 1033002302223
5 Quinary 20301031221
6 Senary 2020041403
8 Octal 117026253
10 Decimal 20720811
12 Duodecimal 6b33263
16 Hexadecimal 13c2cab
20 Vigesimal 69a20b
36 Base36 cc4a3

Cryptographic Hash Functions

md5 68382913a463a557d494fc83c7fc3611
sha1 7b6c39bbd7fa1dec1f5fee23be26701f8c684852
sha256 f315e55192e249c764ca68824816afe7bc06de0a1eb1fa8c54e875523ddaacbd
sha512 c7feb125a258607fbea82ccc2c4874b730a7d328395a7bd82abfea0ae9b6a3e1dd9e26fb0e96e3672549ada69b5bcfb13d29694123ae5d4551803957b555225f
ripemd-160 fb27c050981621514d21af7795ba80a44af8a96b

20720811 as geometric shapes

Circle

Radius = n
Diameter 41441622
Circumference 130192695.22805
Area 1.3488491157005E+15

Sphere

Radius = n
Volume 3.7265663458595E+22
Surface area 5.3953964628019E+15
Circumference 130192695.22805

Square

Length = n
Perimeter 82883244
Area 429352008497721
Diagonal 29303651.93957

Cube

Length = n
Surface area 2576112050986326
Volume 8.8965218205517E+21
Space diagonal 35889497.426032

Equilateral Triangle

Length = n
Perimeter 62162433
Area 1.8591487326245E+14
Altitude 17944748.713016

Triangular Pyramid

Length = n
Surface area 1.8591487326245E+14
Volume 1.048465151381E+21
Height 9767883.9798565