18087142 (number)

18087142 is an even 8-digits composite number following 18087141 and preceding 18087143. In scientific notation, it is written as 1.8087142 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 9043570 positive integers (up to 18087142) that are relatively prime to 18087142.

Interesting facts

Basic properties

Name

Name eighteen million eighty-seven thousand one hundred forty-two

Notation

Scientific notation 1.8087142 × 10^7
Engineering notation 1.8087142 × 10^6

Prime Factorization of 18087142

Prime Factorization 2 × 9043571

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18087142
Product of the distinct prime numbers

The prime factorization of 18087142 is 2 × 9043571. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 88, 25, 914, 225, 6832, 338, 46646, 66576, 951375, 477688, 6430619, 5015373, 79000632, 71819614, 864943115, 458122913, 4567819882, 5641919817

Basic calculations (n = 18087142)

Multiplication

n×y
n×2 36174284
n×3 54261426
n×4 72348568
n×5 90435710

Division

n÷y
n÷2 9043571
n÷3 6029047.3333333
n÷3 4521785.5
n÷5 3617428.4

Exponentiation

ny
n2 327144705728164
n3 5.9171127470535E+21
n4 1.0702365848597E+29
n5 1.9357521083952E+36

Nth Root

y√n
2√n 4252.8980707278
3√n 262.49637848367
4√n 65.214247451978
5√n 28.2796473614

Divisors of 18087142

1, 2, 9043571, 18087142

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 -18087141
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 18087142 can be divided by 4 positive divisors. The sum of these divisors (counting 18087142) is 1, the average is 0.25.

Base conversion 18087142

Base System Value
2 Binary 1000100111111110011100110
3 Ternary 1021000220220011
4 Quaternary 1010333303212
5 Quinary 14112242032
6 Senary 1443400434
8 Octal 104776346
10 Decimal 18087142
12 Duodecimal 608311a
16 Hexadecimal 113fce6
20 Vigesimal 5d0hh2
36 Base36 aro4m

Cryptographic Hash Functions

md5 6c2cc880392c3487e3f20574c7b34242
sha1 86196c34d1a654a6439ba051d3eb2ab571bd1593
sha256 a2f1901605b96d5edc267142a4fb1c7b19a78d45840d12ae02396c5c8e5e8fa9
sha512 9e62738420928164650a58e78d68446eaf489ca2443b8ccbc39ca6ee0d3013344ad70de9f0400a28018a5099a46581301125cdf6f6b94982523316035a0a4e80
ripemd-160 3f9391291b11d552e08f4e849769fd79ecdcdb22

18087142 as geometric shapes

Circle

Radius = n
Diameter 36174284
Circumference 113644864.86327
Area 1.0277554041764E+15

Sphere

Radius = n
Volume 2.4785543915474E+22
Surface area 4.1110216167056E+15
Circumference 113644864.86327

Square

Length = n
Perimeter 72348568
Area 327144705728164
Diagonal 25579081.520968

Cube

Length = n
Surface area 1962868234368984
Volume 5.9171127470535E+21
Space diagonal 31327848.907713

Equilateral Triangle

Length = n
Perimeter 54261426
Area 1.4165781293709E+14
Altitude 15663924.453856

Triangular Pyramid

Length = n
Surface area 1.4165781293709E+14
Volume 6.9733842474782E+20
Height 8526360.5069893