20138458 (number)

20138458 is an even 8-digits composite number following 20138457 and preceding 20138459. In scientific notation, it is written as 2.0138458 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 9918876 positive integers (up to 20138458) that are relatively prime to 20138458.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138458 × 10^7
Engineering notation 2.0138458 × 10^6

Prime Factorization of 20138458

Prime Factorization 2 × 67 × 150287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138458
Product of the distinct prime numbers

The prime factorization of 20138458 is 2 × 67 × 150287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138458)

Multiplication

n×y
n×2 40276916
n×3 60415374
n×4 80553832
n×5 100692290

Division

n÷y
n÷2 10069229
n÷3 6712819.3333333
n÷3 5034614.5
n÷5 4027691.6

Exponentiation

ny
n2 405557490617764
n3 8.1673024913912E+21
n4 1.6447687819618E+29
n5 3.3123107035248E+36

Nth Root

y√n
2√n 4487.5893305872
3√n 272.06670977664
4√n 66.989471789134
5√n 28.893838614377

Divisors of 20138458

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 -20138457
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 20138458 can be divided by 8 positive divisors. The sum of these divisors (counting 20138458) is 1, the average is 0.125.

Base conversion 20138458

Base System Value
2 Binary 1001100110100100111011010
3 Ternary 1101220010202211
4 Quaternary 1030310213122
5 Quinary 20123412313
6 Senary 1555345334
8 Octal 114644732
10 Decimal 20138458
12 Duodecimal 68b224a
16 Hexadecimal 13349da
20 Vigesimal 65h62i
36 Base36 bzmxm

Cryptographic Hash Functions

md5 71acdd72c554a5450bba676968b801b0
sha1 f65dac0adf7020498097f9c84c73149c10f72eb9
sha256 430bc5e36bb0cd7d8916fb753376c60b2777673521c806acd67026c334f21094
sha512 4a2da722e16e8c308509480403700015acb6765254b65b3615ad3b42baa2916a515886f083cbd71ad5b2b3a418be88aaf9025ff03a1e5c9c7e1545e10d2f1aff
ripemd-160 8ace748ef68c15fb4ad592dc8bfb1cf776d255a9

20138458 as geometric shapes

Circle

Radius = n
Diameter 40276916
Circumference 126533663.41485
Area 1.2740964331331E+15

Sphere

Radius = n
Volume 3.4211116675467E+22
Surface area 5.0963857325323E+15
Circumference 126533663.41485

Square

Length = n
Perimeter 80553832
Area 405557490617764
Diagonal 28480080.428881

Cube

Length = n
Surface area 2433344943706584
Volume 8.1673024913912E+21
Space diagonal 34880832.442092

Equilateral Triangle

Length = n
Perimeter 60415374
Area 1.7561154478503E+14
Altitude 17440416.221046

Triangular Pyramid

Length = n
Surface area 1.7561154478503E+14
Volume 9.6252582927742E+20
Height 9493360.1429603