20138081 (number)

20138081 is an odd 8-digits composite number following 20138080 and preceding 20138082. In scientific notation, it is written as 2.0138081 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 17955648 positive integers (up to 20138081) that are relatively prime to 20138081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138081 × 10^7
Engineering notation 2.0138081 × 10^6

Prime Factorization of 20138081

Prime Factorization 19 × 17 × 62347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138081
Product of the distinct prime numbers

The prime factorization of 20138081 is 19 × 17 × 62347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138081)

Multiplication

n×y
n×2 40276162
n×3 60414243
n×4 80552324
n×5 100690405

Division

n÷y
n÷2 10069040.5
n÷3 6712693.6666667
n÷3 5034520.25
n÷5 4027616.2

Exponentiation

ny
n2 405542306362561
n3 8.1668438144561E+21
n4 1.6446456224987E+29
n5 3.3120006762173E+36

Nth Root

y√n
2√n 4487.5473256557
3√n 272.06501203345
4√n 66.989158269497
5√n 28.893730432721

Divisors of 20138081

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 -20138080
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 20138081 can be divided by 8 positive divisors. The sum of these divisors (counting 20138081) is 1, the average is 0.125.

Base conversion 20138081

Base System Value
2 Binary 1001100110100100001100001
3 Ternary 1101220010020212
4 Quaternary 1030310201201
5 Quinary 20123404311
6 Senary 1555343505
8 Octal 114644141
10 Decimal 20138081
12 Duodecimal 68b1b95
16 Hexadecimal 1334861
20 Vigesimal 65h541
36 Base36 bzmn5

Cryptographic Hash Functions

md5 060eaa05cbab797ae36c7749aacee31e
sha1 da8b5c09c8a228898d09bafb263637c54271cd81
sha256 a32994b49f303d6084c72a05ad0ae5188e44efb8b2b72a7b7de4738937ddf9b2
sha512 b475ca7b8e714ffcd4c108d61471cd5bf1949c6adfccc85f106adda893a19b39fa812abcb5ba5fdd9c8c8611e295d36ae00c96a1d761359a1219722fee5389e8
ripemd-160 54c5cb67f678069a5a17ef06780393bc46d1c4c2

20138081 as geometric shapes

Circle

Radius = n
Diameter 40276162
Circumference 126531294.65399
Area 1.2740487303885E+15

Sphere

Radius = n
Volume 3.4209195374014E+22
Surface area 5.0961949215539E+15
Circumference 126531294.65399

Square

Length = n
Perimeter 80552324
Area 405542306362561
Diagonal 28479547.270368

Cube

Length = n
Surface area 2433253838175366
Volume 8.1668438144561E+21
Space diagonal 34880179.458937

Equilateral Triangle

Length = n
Perimeter 60414243
Area 1.7560496980965E+14
Altitude 17440089.729469

Triangular Pyramid

Length = n
Surface area 1.7560496980965E+14
Volume 9.6247177368222E+20
Height 9493182.423456