20138481 (number)

20138481 is an odd 8-digits composite number following 20138480 and preceding 20138482. In scientific notation, it is written as 2.0138481 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 12205080 positive integers (up to 20138481) that are relatively prime to 20138481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138481 × 10^7
Engineering notation 2.0138481 × 10^6

Prime Factorization of 20138481

Prime Factorization 3 × 3 × 11 × 203419

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6712827
Product of the distinct prime numbers

The prime factorization of 20138481 is 3 × 3 × 11 × 203419. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138481)

Multiplication

n×y
n×2 40276962
n×3 60415443
n×4 80553924
n×5 100692405

Division

n÷y
n÷2 10069240.5
n÷3 6712827
n÷3 5034620.25
n÷5 4027696.2

Exponentiation

ny
n2 405558416987361
n3 8.16733047489E+21
n4 1.6447762958929E+29
n5 3.312329618409E+36

Nth Root

y√n
2√n 4487.5918932095
3√n 272.0668133518
4√n 66.989490916184
5√n 28.893845214267

Divisors of 20138481

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138481 can be divided by 12 positive divisors. The sum of these divisors (counting 20138481) is 1, the average is 0.083333333333333.

Base conversion 20138481

Base System Value
2 Binary 1001100110100100111110001
3 Ternary 1101220010210200
4 Quaternary 1030310213301
5 Quinary 20123412411
6 Senary 1555345413
8 Octal 114644761
10 Decimal 20138481
12 Duodecimal 68b2269
16 Hexadecimal 13349f1
20 Vigesimal 65h641
36 Base36 bzmy9

Cryptographic Hash Functions

md5 1ba67b0a05d1848305c369a0a1ad1e15
sha1 21d7b282322b830e488a3f1caa372db64ef9c5a1
sha256 b81159e396b010a4c93716201611ac393200e75ed75b26d85b36a909bee9d66f
sha512 a3566f3692d8f158f09b5dd4bdef1768a631d3d22c3caf2c94b19a8722ad4714310f2a60a648a102c5f6830c68caf632900b56210b5a5e5fb23ff61fb8fa0658
ripemd-160 612c094dca4786a4300ce11e35b6197167708a77

20138481 as geometric shapes

Circle

Radius = n
Diameter 40276962
Circumference 126533807.92812
Area 1.274099343409E+15

Sphere

Radius = n
Volume 3.4211233892473E+22
Surface area 5.096397373636E+15
Circumference 126533807.92812

Square

Length = n
Perimeter 80553924
Area 405558416987361
Diagonal 28480112.955793

Cube

Length = n
Surface area 2433350501924166
Volume 8.16733047489E+21
Space diagonal 34880872.27926

Equilateral Triangle

Length = n
Perimeter 60415443
Area 1.7561194591483E+14
Altitude 17440436.13963

Triangular Pyramid

Length = n
Surface area 1.7561194591483E+14
Volume 9.6252912716438E+20
Height 9493370.9852643