20512138 (number)

20512138 is an even 8-digits composite number following 20512137 and preceding 20512139. In scientific notation, it is written as 2.0512138 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 10247340 positive integers (up to 20512138) that are relatively prime to 20512138.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand one hundred thirty-eight

Notation

Scientific notation 2.0512138 × 10^7
Engineering notation 2.0512138 × 10^6

Prime Factorization of 20512138

Prime Factorization 2 × 1399 × 7331

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20512138
Product of the distinct prime numbers

The prime factorization of 20512138 is 2 × 1399 × 7331. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512138)

Multiplication

n×y
n×2 41024276
n×3 61536414
n×4 82048552
n×5 102560690

Division

n÷y
n÷2 10256069
n÷3 6837379.3333333
n÷3 5128034.5
n÷5 4102427.6

Exponentiation

ny
n2 420747805331044
n3 8.6304370461475E+21
n4 1.7702871569089E+29
n5 3.6312374462143E+36

Nth Root

y√n
2√n 4529.0327885764
3√n 273.73918919241
4√n 67.298089041045
5√n 29.000279657145

Divisors of 20512138

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 -20512137
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 20512138 can be divided by 8 positive divisors. The sum of these divisors (counting 20512138) is 1, the average is 0.125.

Base conversion 20512138

Base System Value
2 Binary 1001110001111110110001010
3 Ternary 1102121010100211
4 Quaternary 1032033312022
5 Quinary 20222342023
6 Senary 2011351334
8 Octal 116176612
10 Decimal 20512138
12 Duodecimal 6a5254a
16 Hexadecimal 138fd8a
20 Vigesimal 68406i
36 Base36 c7n9m

Cryptographic Hash Functions

md5 d66b0f3aad9cc664d0c0c3f8c394c8d9
sha1 b7bbabc21cb6f2524a2c88a23c302ecec34e592e
sha256 e2aa44fb548a16161de08c1e92f8985ceedee871f61add736a326b87b2bef5ea
sha512 b3c1976e5ad7dcd6258e9dcedebec6b627343d6855102e36bf4f72e8c728f2ba976023e63d769f5ff230ae7997488d5bc1100d90be9bbc00b2174212a176dc6d
ripemd-160 b834f177f4fd7b0c9cda129b4ae87deb9b8ff09e

20512138 as geometric shapes

Circle

Radius = n
Diameter 41024276
Circumference 128881564.10044
Area 1.321818214242E+15

Sphere

Radius = n
Volume 3.6151090161928E+22
Surface area 5.2872728569681E+15
Circumference 128881564.10044

Square

Length = n
Perimeter 82048552
Area 420747805331044
Diagonal 29008543.752869

Cube

Length = n
Surface area 2524486831986264
Volume 8.6304370461475E+21
Space diagonal 35528065.187864

Equilateral Triangle

Length = n
Perimeter 61536414
Area 1.8218914400162E+14
Altitude 17764032.593932

Triangular Pyramid

Length = n
Surface area 1.8218914400162E+14
Volume 1.0171067599891E+21
Height 9669514.5842895