18454942 (number)

18454942 is an even 8-digits composite number following 18454941 and preceding 18454943. In scientific notation, it is written as 1.8454942 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 8363520 positive integers (up to 18454942) that are relatively prime to 18454942.

Interesting facts

Basic properties

Name

Name eighteen million four hundred fifty-four thousand nine hundred forty-two

Notation

Scientific notation 1.8454942 × 10^7
Engineering notation 1.8454942 × 10^6

Prime Factorization of 18454942

Prime Factorization 2 × 11 × 397 × 2113

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18454942
Product of the distinct prime numbers

The prime factorization of 18454942 is 2 × 11 × 397 × 2113. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18454942)

Multiplication

n×y
n×2 36909884
n×3 55364826
n×4 73819768
n×5 92274710

Division

n÷y
n÷2 9227471
n÷3 6151647.3333333
n÷3 4613735.5
n÷5 3690988.4

Exponentiation

ny
n2 340584884223364
n3 6.2854742844189E+21
n4 1.1599806336144E+29
n5 2.1407375314477E+36

Nth Root

y√n
2√n 4295.9215542186
3√n 264.26373055862
4√n 65.543280008088
5√n 28.393735797641

Divisors of 18454942

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18454941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18454942 can be divided by 16 positive divisors. The sum of these divisors (counting 18454942) is 1, the average is 0.0625.

Base conversion 18454942

Base System Value
2 Binary 1000110011001100110011110
3 Ternary 1021201121102101
4 Quaternary 1012121212132
5 Quinary 14211024232
6 Senary 1455315314
8 Octal 106314636
10 Decimal 18454942
12 Duodecimal 621bb3a
16 Hexadecimal 119999e
20 Vigesimal 5f6h72
36 Base36 azjxa

Cryptographic Hash Functions

md5 a2369183e82761f2d5d58bddac433c67
sha1 3a2e5c07d1a5eb47f7872fc1aa8b811c1ea14ec7
sha256 9d105693aa4b1bf7357ab0df7e12e9decfe829d9ffea6fa7af1fb4ee28cab296
sha512 d86008c3cd8db848a0aab64c85fef4bfd8c551a10fbfecf16ed32a30759eb548742dd1df77ea3c9c902d07801c119dab1975f3cd950d869c1eb9d05c78ef1164
ripemd-160 35c3a6abaf9ccc3dadc163ffd3bcc3867092a742

18454942 as geometric shapes

Circle

Radius = n
Diameter 36909884
Circumference 115955820.41925
Area 1.0699789701999E+15

Sphere

Radius = n
Volume 2.6328533115011E+22
Surface area 4.2799158807994E+15
Circumference 115955820.41925

Square

Length = n
Perimeter 73819768
Area 340584884223364
Diagonal 26099229.269209

Cube

Length = n
Surface area 2043509305340184
Volume 6.2854742844189E+21
Space diagonal 31964897.194737

Equilateral Triangle

Length = n
Perimeter 55364826
Area 1.4747758094121E+14
Altitude 15982448.597368

Triangular Pyramid

Length = n
Surface area 1.4747758094121E+14
Volume 7.4075024824771E+20
Height 8699743.0897363