18081630 (number)

18081630 is an even 8-digits composite number following 18081629 and preceding 18081631. In scientific notation, it is written as 1.8081630 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 64 positive divisors. There are 4129056 positive integers (up to 18081630) that are relatively prime to 18081630.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand six hundred thirty

Notation

Scientific notation 1.8081630 × 10^7
Engineering notation 1.8081630 × 10^6

Prime Factorization of 18081630

Prime Factorization 2 × 7 × 45 × 3 × 3 × 3 × 1063

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2009070
Product of the distinct prime numbers

The prime factorization of 18081630 is 2 × 7 × 45 × 3 × 3 × 3 × 1063. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081630)

Multiplication

n×y
n×2 36163260
n×3 54244890
n×4 72326520
n×5 90408150

Division

n÷y
n÷2 9040815
n÷3 6027210
n÷3 4520407.5
n÷5 3616326

Exponentiation

ny
n2 326945343456900
n3 5.9117047306106E+21
n4 1.0689325760815E+29
n5 1.9328043335653E+36

Nth Root

y√n
2√n 4252.2499926509
3√n 262.46971079085
4√n 65.209278424554
5√n 28.277923524422

Divisors of 18081630

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081629
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081630 can be divided by 64 positive divisors. The sum of these divisors (counting 18081630) is 1, the average is 0.015625.

Base conversion 18081630

Base System Value
2 Binary 1000100111110011101011110
3 Ternary 1021000122100000
4 Quaternary 1010332131132
5 Quinary 14112103010
6 Senary 1443315130
8 Octal 104763536
10 Decimal 18081630
12 Duodecimal 607baa6
16 Hexadecimal 113e75e
20 Vigesimal 5d041a
36 Base36 arjvi

Cryptographic Hash Functions

md5 0ae65a47e982776015c2777cdd9d98fb
sha1 b618a76c1a5bef1a4af28e996daa6d591b62cc2b
sha256 3d15d8e5562cdaa9528809dd5b2eb713bf1da9760d0f75081e9ddee6520dc2c0
sha512 62494b2dca96c6c116727bde9d8126f74beab283b50dc36fa1386cc28b876ac9825a3553a28d14e2b47201a53fe374839d7c7d072829e81fa479ca359461e288
ripemd-160 3d6f423cd8b334a17948e1b3f94bf154b3f5defb

18081630 as geometric shapes

Circle

Radius = n
Diameter 36163260
Circumference 113610231.94586
Area 1.0271290891296E+15

Sphere

Radius = n
Volume 2.4762890869171E+22
Surface area 4.1085163565184E+15
Circumference 113610231.94586

Square

Length = n
Perimeter 72326520
Area 326945343456900
Diagonal 25571286.375812

Cube

Length = n
Surface area 1961672060741400
Volume 5.9117047306106E+21
Space diagonal 31318301.843662

Equilateral Triangle

Length = n
Perimeter 54244890
Area 1.4157148654135E+14
Altitude 15659150.921831

Triangular Pyramid

Length = n
Surface area 1.4157148654135E+14
Volume 6.9670108389789E+20
Height 8523762.1252707