20508971 (number)

20508971 is an odd 8-digits composite number following 20508970 and preceding 20508972. In scientific notation, it is written as 2.0508971 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17461800 positive integers (up to 20508971) that are relatively prime to 20508971.

Interesting facts

Basic properties

Name

Name twenty million five hundred eight thousand nine hundred seventy-one

Notation

Scientific notation 2.0508971 × 10^7
Engineering notation 2.0508971 × 10^6

Prime Factorization of 20508971

Prime Factorization 7 × 151 × 19403

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20508971
Product of the distinct prime numbers

The prime factorization of 20508971 is 7 × 151 × 19403. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20508971)

Multiplication

n×y
n×2 41017942
n×3 61526913
n×4 82035884
n×5 102544855

Division

n÷y
n÷2 10254485.5
n÷3 6836323.6666667
n÷3 5127242.75
n÷5 4101794.2

Exponentiation

ny
n2 420617891478841
n3 8.6264401384207E+21
n4 1.7691941063211E+29
n5 3.628435061991E+36

Nth Root

y√n
2√n 4528.6831419299
3√n 273.72510035336
4√n 67.295491245178
5√n 28.999384094153

Divisors of 20508971

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 -20508970
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 20508971 can be divided by 8 positive divisors. The sum of these divisors (counting 20508971) is 1, the average is 0.125.

Base conversion 20508971

Base System Value
2 Binary 1001110001111000100101011
3 Ternary 1102120222000112
4 Quaternary 1032033010223
5 Quinary 20222241341
6 Senary 2011324535
8 Octal 116170453
10 Decimal 20508971
12 Duodecimal 6a5074b
16 Hexadecimal 138f12b
20 Vigesimal 683c8b
36 Base36 c7ktn

Cryptographic Hash Functions

md5 a5f6ab3b4aa6cab052d8c94f3b513d68
sha1 e8541ce1544065e3734cd68d533b02b12d360d55
sha256 aa368c4b74f7d0b03d31cdca37ad61004cfc93d52d5acd350a25e1c53d41871b
sha512 fba0d395d336c96aa60d2ef483b191cbe4759693e56928031bce3bd9826830c8aef630ecda9f152f70b9196fc9e442422a702e35f4d9b96014572a367a14154b
ripemd-160 66617c315ddf000237e5a910fcddec1c912e2843

20508971 as geometric shapes

Circle

Radius = n
Diameter 41017942
Circumference 128861665.25257
Area 1.3214100778384E+15

Sphere

Radius = n
Volume 3.6134347953993E+22
Surface area 5.2856403113534E+15
Circumference 128861665.25257

Square

Length = n
Perimeter 82035884
Area 420617891478841
Diagonal 29004064.938517

Cube

Length = n
Surface area 2523707348873046
Volume 8.6264401384207E+21
Space diagonal 35522579.782957

Equilateral Triangle

Length = n
Perimeter 61526913
Area 1.8213288965346E+14
Altitude 17761289.891478

Triangular Pyramid

Length = n
Surface area 1.8213288965346E+14
Volume 1.0166357198962E+21
Height 9668021.6461722