18087668 (number)

18087668 is an even 8-digits composite number following 18087667 and preceding 18087669. In scientific notation, it is written as 1.8087668 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 8851320 positive integers (up to 18087668) that are relatively prime to 18087668.

Interesting facts

Basic properties

Name

Name eighteen million eighty-seven thousand six hundred sixty-eight

Notation

Scientific notation 1.8087668 × 10^7
Engineering notation 1.8087668 × 10^6

Prime Factorization of 18087668

Prime Factorization 2 × 2 × 47 × 96211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9043834
Product of the distinct prime numbers

The prime factorization of 18087668 is 2 × 2 × 47 × 96211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 80, 73, 136, 977, 260, 2144, 6282, 95277, 963295, 47657, 8929375, 5540219, 18771752, 68091211, 37561665, 976013132, 3176296087, 3915981849

Basic calculations (n = 18087668)

Multiplication

n×y
n×2 36175336
n×3 54263004
n×4 72350672
n×5 90438340

Division

n÷y
n÷2 9043834
n÷3 6029222.6666667
n÷3 4521917
n÷5 3617533.6

Exponentiation

ny
n2 327163733678224
n3 5.9176289964121E+21
n4 1.0703610863428E+29
n5 1.9360335969887E+36

Nth Root

y√n
2√n 4252.9599104624
3√n 262.49892304925
4√n 65.214721577742
5√n 28.279811842018

Divisors of 18087668

1, 2, 4, 47, 94, 188, 96211, 192422, 384844, 4521917, 9043834, 18087668

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18087667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18087668 can be divided by 12 positive divisors. The sum of these divisors (counting 18087668) is 1, the average is 0.083333333333333.

Base conversion 18087668

Base System Value
2 Binary 1000100111111111011110100
3 Ternary 1021000221121122
4 Quaternary 1010333323310
5 Quinary 14112301133
6 Senary 1443403112
8 Octal 104777364
10 Decimal 18087668
12 Duodecimal 6083498
16 Hexadecimal 113fef4
20 Vigesimal 5d0j38
36 Base36 aroj8

Cryptographic Hash Functions

md5 95c2f098ef1097ecaf807b513ef63b99
sha1 1b339790c57f12fee5d2993536723454a40760f8
sha256 ee85bee269c61936bccaa490eb1f6a62635120a731e47ca8d07874eda8f006f6
sha512 2380d997909d68b7a2e0ab3b45dfc55b8c52862fb6ef0138b82bdac9241a1821382f5e28952963a858cdc40b48dc9fc1682ceafad34bfbd55dd87bc9e52bf633
ripemd-160 7372293ebbfdc1674b4c94392345e20fc35310ca

18087668 as geometric shapes

Circle

Radius = n
Diameter 36175336
Circumference 113648169.81874
Area 1.0278151822445E+15

Sphere

Radius = n
Volume 2.4787706375731E+22
Surface area 4.1112607289781E+15
Circumference 113648169.81874

Square

Length = n
Perimeter 72350672
Area 327163733678224
Diagonal 25579825.397302

Cube

Length = n
Surface area 1962982402069344
Volume 5.9176289964121E+21
Space diagonal 31328759.966438

Equilateral Triangle

Length = n
Perimeter 54263004
Area 1.4166605228115E+14
Altitude 15664379.983219

Triangular Pyramid

Length = n
Surface area 1.4166605228115E+14
Volume 6.9739926531819E+20
Height 8526608.4657673