20138931 (number)

20138931 is an odd 8-digits composite number following 20138930 and preceding 20138932. In scientific notation, it is written as 2.0138931 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 12636096 positive integers (up to 20138931) that are relatively prime to 20138931.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred thirty-one

Notation

Scientific notation 2.0138931 × 10^7
Engineering notation 2.0138931 × 10^6

Prime Factorization of 20138931

Prime Factorization 153 × 131627

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20138931
Product of the distinct prime numbers

The prime factorization of 20138931 is 153 × 131627. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138931)

Multiplication

n×y
n×2 40277862
n×3 60416793
n×4 80555724
n×5 100694655

Division

n÷y
n÷2 10069465.5
n÷3 6712977
n÷3 5034732.75
n÷5 4027786.2

Exponentiation

ny
n2 405576541822761
n3 8.1678779909872E+21
n4 1.6449233127691E+29
n5 3.3126997096148E+36

Nth Root

y√n
2√n 4487.6420311785
3√n 272.06883980643
4√n 66.989865137784
5√n 28.893974341326

Divisors of 20138931

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 -20138930
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 20138931 can be divided by 4 positive divisors. The sum of these divisors (counting 20138931) is 1, the average is 0.25.

Base conversion 20138931

Base System Value
2 Binary 1001100110100101110110011
3 Ternary 1101220011102100
4 Quaternary 1030310232303
5 Quinary 20123421211
6 Senary 1555351443
8 Octal 114645663
10 Decimal 20138931
12 Duodecimal 68b2583
16 Hexadecimal 1334bb3
20 Vigesimal 65h76b
36 Base36 bznar

Cryptographic Hash Functions

md5 f24ef48c88fc0ac305d151adf9a3579f
sha1 3db20e02c6e0415695290126f9771a9885830756
sha256 42d7188f97125d523d9cabe3940c584ea947616211f7737699880ded29aa0d2e
sha512 70202fb85d9580a014e6ff26319bb6248737cf110d0feff8f39b03e4d5b1d09c75d795c6b4df75cf8bcf9aa3d3e1110794da76b4b1b37e32f160e15eadecf5a2
ripemd-160 df82101bcc561be0efe753ad1c41e75f66524d48

20138931 as geometric shapes

Circle

Radius = n
Diameter 40277862
Circumference 126536635.3615
Area 1.2741562842587E+15

Sphere

Radius = n
Volume 3.4213527322538E+22
Surface area 5.096625137035E+15
Circumference 126536635.3615

Square

Length = n
Perimeter 80555724
Area 405576541822761
Diagonal 28480749.351896

Cube

Length = n
Surface area 2433459250936566
Volume 8.1678779909872E+21
Space diagonal 34881651.702124

Equilateral Triangle

Length = n
Perimeter 60416793
Area 1.7561979419878E+14
Altitude 17440825.851062

Triangular Pyramid

Length = n
Surface area 1.7561979419878E+14
Volume 9.6259365255523E+20
Height 9493583.1172987