20805025 (number)

20805025 is an odd 8-digits composite number following 20805024 and preceding 20805026. In scientific notation, it is written as 2.0805025 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 15664640 positive integers (up to 20805025) that are relatively prime to 20805025.

Interesting facts

Basic properties

Name

Name twenty million eight hundred five thousand twenty-five

Notation

Scientific notation 2.0805025 × 10^7
Engineering notation 2.0805025 × 10^6

Prime Factorization of 20805025

Prime Factorization 85 × 5 × 48953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20805025
Product of the distinct prime numbers

The prime factorization of 20805025 is 85 × 5 × 48953. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20805025)

Multiplication

n×y
n×2 41610050
n×3 62415075
n×4 83220100
n×5 104025125

Division

n÷y
n÷2 10402512.5
n÷3 6935008.3333333
n÷3 5201256.25
n÷5 4161005

Exponentiation

ny
n2 432849065250625
n3 9.0054356237659E+21
n4 1.8735831328834E+29
n5 3.8979943919217E+36

Nth Root

y√n
2√n 4561.2525691963
3√n 275.03591817348
4√n 67.537045902203
5√n 29.082628012657

Divisors of 20805025

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 -20805024
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 20805025 can be divided by 8 positive divisors. The sum of these divisors (counting 20805025) is 1, the average is 0.125.

Base conversion 20805025

Base System Value
2 Binary 1001111010111010110100001
3 Ternary 1110011000010111
4 Quaternary 1033113112201
5 Quinary 20311230100
6 Senary 2021531321
8 Octal 117272641
10 Decimal 20805025
12 Duodecimal 6b73b41
16 Hexadecimal 13d75a1
20 Vigesimal 6a0cb5
36 Base36 cdx9d

Cryptographic Hash Functions

md5 059a7944de0dbcce1151d4e22366490e
sha1 4449a1ee7ab4f6a6e328d487db6b644149bb5029
sha256 aa23bd2a05bd58c04769371fd8bf8f0693f5a62241ddded9066924fbb0055bef
sha512 7ffa4be3fbffe94b28a9a648a8d85452b4b05c6d623c27f8a2a28409a013089e11bd206a9e3fa0fe5fa217096e1db648e25fe63bdacebd61c2b9b5bef39036ac
ripemd-160 e1dd8728d485fd5565d68911540a1afdf4827b53

20805025 as geometric shapes

Circle

Radius = n
Diameter 41610050
Circumference 130721827.3955
Area 1.3598354435046E+15

Sphere

Radius = n
Volume 3.7721880530665E+22
Surface area 5.4393417740183E+15
Circumference 130721827.3955

Square

Length = n
Perimeter 83220100
Area 432849065250625
Diagonal 29422748.520511

Cube

Length = n
Surface area 2597094391503750
Volume 9.0054356237659E+21
Space diagonal 36035360.352741

Equilateral Triangle

Length = n
Perimeter 62415075
Area 1.8742914325569E+14
Altitude 18017680.17637

Triangular Pyramid

Length = n
Surface area 1.8742914325569E+14
Volume 1.061300766184E+21
Height 9807582.8401704