18084987 (number)

18084987 is an odd 8-digits composite number following 18084986 and preceding 18084988. In scientific notation, it is written as 1.8084987 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 11978928 positive integers (up to 18084987) that are relatively prime to 18084987.

Interesting facts

Basic properties

Name

Name eighteen million eighty-four thousand nine hundred eighty-seven

Notation

Scientific notation 1.8084987 × 10^7
Engineering notation 1.8084987 × 10^6

Prime Factorization of 18084987

Prime Factorization 9 × 157 × 12799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18084987
Product of the distinct prime numbers

The prime factorization of 18084987 is 9 × 157 × 12799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18084987)

Multiplication

n×y
n×2 36169974
n×3 54254961
n×4 72339948
n×5 90424935

Division

n÷y
n÷2 9042493.5
n÷3 6028329
n÷3 4521246.75
n÷5 3616997.4

Exponentiation

ny
n2 327066754790169
n3 5.9149980085124E+21
n4 1.0697266208897E+29
n5 1.9345992032345E+36

Nth Root

y√n
2√n 4252.6447065326
3√n 262.48595298982
4√n 65.212304870574
5√n 28.27897345123

Divisors of 18084987

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 -18084986
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 18084987 can be divided by 8 positive divisors. The sum of these divisors (counting 18084987) is 1, the average is 0.125.

Base conversion 18084987

Base System Value
2 Binary 1000100111111010001111011
3 Ternary 1021000210221100
4 Quaternary 1010333101323
5 Quinary 14112204422
6 Senary 1443342443
8 Octal 104772173
10 Decimal 18084987
12 Duodecimal 6081a23
16 Hexadecimal 113f47b
20 Vigesimal 5d0c97
36 Base36 armgr

Cryptographic Hash Functions

md5 8db0310c0079f1b2545f62e065a50bbd
sha1 a7e7f553c29bfcd9d08f72b4e40d6e247f337e34
sha256 4bb5eeb42ffa6097942f1dd9dd84fc2888c47e967472a59a68a366086f618dc1
sha512 2bdaf2d5545d4964628ecd149ed02c68a5614a82d87e21c588eeb526ec2db6fc82eb93a8844ac5cb6d612afa208d3509a00c634d0c21b4edfbd09f93bf2d8a29
ripemd-160 856c7ea93630302db1615d0f5624de694823926e

18084987 as geometric shapes

Circle

Radius = n
Diameter 36169974
Circumference 113631324.59893
Area 1.0275105140822E+15

Sphere

Radius = n
Volume 2.4776685719388E+22
Surface area 4.110042056329E+15
Circumference 113631324.59893

Square

Length = n
Perimeter 72339948
Area 327066754790169
Diagonal 25576033.890741

Cube

Length = n
Surface area 1962400528741014
Volume 5.9149980085124E+21
Space diagonal 31324116.338223

Equilateral Triangle

Length = n
Perimeter 54254961
Area 1.4162405919081E+14
Altitude 15662058.169111

Triangular Pyramid

Length = n
Surface area 1.4162405919081E+14
Volume 6.9708920042067E+20
Height 8525344.630247