20138923 (number)

20138923 is an odd 8-digits composite number following 20138922 and preceding 20138924. In scientific notation, it is written as 2.0138923 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17214120 positive integers (up to 20138923) that are relatively prime to 20138923.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138923 × 10^7
Engineering notation 2.0138923 × 10^6

Prime Factorization of 20138923

Prime Factorization 7 × 379 × 7591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138923
Product of the distinct prime numbers

The prime factorization of 20138923 is 7 × 379 × 7591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138923)

Multiplication

n×y
n×2 40277846
n×3 60416769
n×4 80555692
n×5 100694615

Division

n÷y
n÷2 10069461.5
n÷3 6712974.3333333
n÷3 5034730.75
n÷5 4027784.6

Exponentiation

ny
n2 405576219599929
n3 8.1678682571541E+21
n4 1.6449206990497E+29
n5 3.3126931299268E+36

Nth Root

y√n
2√n 4487.6411398417
3√n 272.06880378083
4√n 66.98985848501
5√n 28.893972045754

Divisors of 20138923

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 -20138922
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 20138923 can be divided by 8 positive divisors. The sum of these divisors (counting 20138923) is 1, the average is 0.125.

Base conversion 20138923

Base System Value
2 Binary 1001100110100101110101011
3 Ternary 1101220011102001
4 Quaternary 1030310232223
5 Quinary 20123421143
6 Senary 1555351431
8 Octal 114645653
10 Decimal 20138923
12 Duodecimal 68b2577
16 Hexadecimal 1334bab
20 Vigesimal 65h763
36 Base36 bznaj

Cryptographic Hash Functions

md5 7748bd041e8bc2b59b59603f8591d095
sha1 05474444fe19a1d9e38288307747acc686942bfd
sha256 766690cf26b98c94dc6bfc286ffd82cf89e0475214d9ba8a92cab9fc1270fe39
sha512 33a9c9764ae4a78fbe8ac74ad9873851346861394245137f093867c8302910a2fcd660b18c1b23ea8b751de099bbb3aee160f6f14e244470176bbaf44f50fd97
ripemd-160 76338ae4ec5fbc15c8ed4481f55045631e82ea9d

20138923 as geometric shapes

Circle

Radius = n
Diameter 40277846
Circumference 126536585.09602
Area 1.2741552719659E+15

Sphere

Radius = n
Volume 3.4213486549553E+22
Surface area 5.0966210878634E+15
Circumference 126536585.09602

Square

Length = n
Perimeter 80555692
Area 405576219599929
Diagonal 28480738.038187

Cube

Length = n
Surface area 2433457317599574
Volume 8.1678682571541E+21
Space diagonal 34881637.845717

Equilateral Triangle

Length = n
Perimeter 60416769
Area 1.756196546722E+14
Altitude 17440818.922859

Triangular Pyramid

Length = n
Surface area 1.756196546722E+14
Volume 9.62592505412E+20
Height 9493579.3460625