18642942 (number)

18642942 is an even 8-digits composite number following 18642941 and preceding 18642943. In scientific notation, it is written as 1.8642942 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 6112080 positive integers (up to 18642942) that are relatively prime to 18642942.

Interesting facts

Basic properties

Name

Name eighteen million six hundred forty-two thousand nine hundred forty-two

Notation

Scientific notation 1.8642942 × 10^7
Engineering notation 1.8642942 × 10^6

Prime Factorization of 18642942

Prime Factorization 2 × 9 × 61 × 16979

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18642942
Product of the distinct prime numbers

The prime factorization of 18642942 is 2 × 9 × 61 × 16979. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 48, 14, 882, 46, 5480, 766, 7617, 9157, 151619, 198698, 8625588, 376318, 42423071, 88124826, 599238921, 786254088, 9218862938, 3161767575

Basic calculations (n = 18642942)

Multiplication

n×y
n×2 37285884
n×3 55928826
n×4 74571768
n×5 93214710

Division

n÷y
n÷2 9321471
n÷3 6214314
n÷3 4660735.5
n÷5 3728588.4

Exponentiation

ny
n2 347559286415364
n3 6.479527618203E+21
n4 1.2079745757356E+29
n5 2.2520199952913E+36

Nth Root

y√n
2√n 4317.7473293374
3√n 265.15804977888
4√n 65.709568019714
5√n 28.451350750005

Divisors of 18642942

1, 2, 9, 18, 61, 122, 549, 1098, 16979, 33958, 152811, 305622, 1035719, 2071438, 9321471, 18642942

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 -18642941
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 18642942 can be divided by 16 positive divisors. The sum of these divisors (counting 18642942) is 1, the average is 0.0625.

Base conversion 18642942

Base System Value
2 Binary 1000111000111011111111110
3 Ternary 1022002011022100
4 Quaternary 1013013133332
5 Quinary 14233033232
6 Senary 1503325530
8 Octal 107073776
10 Decimal 18642942
12 Duodecimal 62b08a6
16 Hexadecimal 11c77fe
20 Vigesimal 5ga772
36 Base36 b3kzi

Cryptographic Hash Functions

md5 e3502ba80ecfa1a7479082b84f2ca9c1
sha1 d129a761ad5a2929c615861ccb3bcd391a6fbb6c
sha256 85595ee06745e8f661e68dce3f69819f9e7be5ebfd7ba95b431489d321db5419
sha512 e754bc71fffd8f068bf1a32af6b534de8477a317eaa4c1ef6c7d62c7834505368464ddcdaa7d9f68d6b61aed6e7b847baeaf0f60e81e59883a861953519bab7f
ripemd-160 40d9144cfa0ecc7642a0c3480c191bb3e4b7448d

18642942 as geometric shapes

Circle

Radius = n
Diameter 37285884
Circumference 117137059.257
Area 1.0918897008894E+15

Sphere

Radius = n
Volume 2.7141381818772E+22
Surface area 4.3675588035577E+15
Circumference 117137059.257

Square

Length = n
Perimeter 74571768
Area 347559286415364
Diagonal 26365101.418935

Cube

Length = n
Surface area 2085355718492184
Volume 6.479527618203E+21
Space diagonal 32290522.74656

Equilateral Triangle

Length = n
Perimeter 55928826
Area 1.5049758567845E+14
Altitude 16145261.37328

Triangular Pyramid

Length = n
Surface area 1.5049758567845E+14
Volume 7.6361965295281E+20
Height 8788367.139645