18987002 (number)

18987002 is an even 8-digits composite number following 18987001 and preceding 18987003. In scientific notation, it is written as 1.8987002 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 9487072 positive integers (up to 18987002) that are relatively prime to 18987002.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-seven thousand two

Notation

Scientific notation 1.8987002 × 10^7
Engineering notation 1.8987002 × 10^6

Prime Factorization of 18987002

Prime Factorization 2 × 4133 × 2297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18987002
Product of the distinct prime numbers

The prime factorization of 18987002 is 2 × 4133 × 2297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18987002)

Multiplication

n×y
n×2 37974004
n×3 56961006
n×4 75948008
n×5 94935010

Division

n÷y
n÷2 9493501
n÷3 6329000.6666667
n÷3 4746750.5
n÷5 3797400.4

Exponentiation

ny
n2 360506244948004
n3 6.8449327938402E+21
n4 1.2996475264651E+29
n5 2.4676410184288E+36

Nth Root

y√n
2√n 4357.4077156034
3√n 266.77930207083
4√n 66.010663650681
5√n 28.555599302505

Divisors of 18987002

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 -18987001
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 18987002 can be divided by 8 positive divisors. The sum of these divisors (counting 18987002) is 1, the average is 0.125.

Base conversion 18987002

Base System Value
2 Binary 1001000011011011111111010
3 Ternary 1022201122021022
4 Quaternary 1020123133322
5 Quinary 14330041002
6 Senary 1514542442
8 Octal 110333772
10 Decimal 18987002
12 Duodecimal 6437a22
16 Hexadecimal 121b7fa
20 Vigesimal 5id7a2
36 Base36 baygq

Cryptographic Hash Functions

md5 3e7feac99a31119d908f3d2d43b13e57
sha1 ddf79fd0951ec4d931f1983c2ce92fa1e1efa1ea
sha256 25cef60e472a3323a9bfa685f630bdbf1b9ba4d7cc5d3e19f2635ecd02640485
sha512 86cc78b0f3f0184df6d879c6a8d047b1e488b6c8de4821b3a23ea30eeb629a4c98fab6c7da7c002acf14f75ce065fe15daae33cd3d18b8deb39ad9c48598fdc3
ripemd-160 84ed68e56d2eacd31209325c06b1180d6bdf16bc

18987002 as geometric shapes

Circle

Radius = n
Diameter 37974004
Circumference 119298851.99379
Area 1.1325637707019E+15

Sphere

Radius = n
Volume 2.8671987439259E+22
Surface area 4.5302550828076E+15
Circumference 119298851.99379

Square

Length = n
Perimeter 75948008
Area 360506244948004
Diagonal 26851675.737205

Cube

Length = n
Surface area 2163037469688024
Volume 6.8449327938402E+21
Space diagonal 32886452.147412

Equilateral Triangle

Length = n
Perimeter 56961006
Area 1.5610378317395E+14
Altitude 16443226.073706

Triangular Pyramid

Length = n
Surface area 1.5610378317395E+14
Volume 8.0668306588177E+20
Height 8950558.5790684