20105438 (number)

20105438 is an even 8-digits composite number following 20105437 and preceding 20105439. In scientific notation, it is written as 2.0105438 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 10052718 positive integers (up to 20105438) that are relatively prime to 20105438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0105438 × 10^7
Engineering notation 2.0105438 × 10^6

Prime Factorization of 20105438

Prime Factorization 2 × 10052719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20105438
Product of the distinct prime numbers

The prime factorization of 20105438 is 2 × 10052719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105438)

Multiplication

n×y
n×2 40210876
n×3 60316314
n×4 80421752
n×5 100527190

Division

n÷y
n÷2 10052719
n÷3 6701812.6666667
n÷3 5026359.5
n÷5 4021087.6

Exponentiation

ny
n2 404228637171844
n3 8.127193802483E+21
n4 1.6340079110981E+29
n5 3.2852444748092E+36

Nth Root

y√n
2√n 4483.9087858698
3√n 271.91793047353
4√n 66.961995085793
5√n 28.884357243894

Divisors of 20105438

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 -20105437
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 20105438 can be divided by 4 positive divisors. The sum of these divisors (counting 20105438) is 1, the average is 0.25.

Base conversion 20105438

Base System Value
2 Binary 1001100101100100011011110
3 Ternary 1101211110110212
4 Quaternary 1030230203132
5 Quinary 20121333223
6 Senary 1554532422
8 Octal 114544336
10 Decimal 20105438
12 Duodecimal 6897112
16 Hexadecimal 132c8de
20 Vigesimal 65d3bi
36 Base36 byxge

Cryptographic Hash Functions

md5 d4d0ea681d3b738c332412d947eb4374
sha1 e6c6cc160dbb3f89095435a8f3fb7d854c0b28d3
sha256 721e49329ad75aadc1ee80a1a18894e93d3188e254433b0c28aef416bfac837c
sha512 c2c1779d93db80424f93eab1d571360377dbef1d11eb48bd5176faef3d67c75657d5124c2fcff6b78186473c2396881e55eb662cee184e1faaed8d69ac68065b
ripemd-160 b45fd138dfead879f47e31e4f9c0df57a1360bdb

20105438 as geometric shapes

Circle

Radius = n
Diameter 40210876
Circumference 126326192.63601
Area 1.2699217169097E+15

Sphere

Radius = n
Volume 3.4043109792241E+22
Surface area 5.0796868676387E+15
Circumference 126326192.63601

Square

Length = n
Perimeter 80421752
Area 404228637171844
Diagonal 28433383.097051

Cube

Length = n
Surface area 2425371823031064
Volume 8.127193802483E+21
Space diagonal 34823640.124426

Equilateral Triangle

Length = n
Perimeter 60316314
Area 1.7503613436399E+14
Altitude 17411820.062213

Triangular Pyramid

Length = n
Surface area 1.7503613436399E+14
Volume 9.5779897495884E+20
Height 9477794.3656838