18731668 (number)

18731668 is an even 8-digits composite number following 18731667 and preceding 18731669. In scientific notation, it is written as 1.8731668 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors. There are 9365832 positive integers (up to 18731668) that are relatively prime to 18731668.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred thirty-one thousand six hundred sixty-eight

Notation

Scientific notation 1.8731668 × 10^7
Engineering notation 1.8731668 × 10^6

Prime Factorization of 18731668

Prime Factorization 2 × 2 × 4682917

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9365834
Product of the distinct prime numbers

The prime factorization of 18731668 is 2 × 2 × 4682917. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18731668)

Multiplication

n×y
n×2 37463336
n×3 56195004
n×4 74926672
n×5 93658340

Division

n÷y
n÷2 9365834
n÷3 6243889.3333333
n÷3 4682917
n÷5 3746333.6

Exponentiation

ny
n2 350875386062224
n3 6.5724812410894E+21
n4 1.2311353654431E+29
n5 2.306121892854E+36

Nth Root

y√n
2√n 4328.0097042405
3√n 265.57803336618
4√n 65.787610567952
5√n 28.47838063182

Divisors of 18731668

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18731667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18731668 can be divided by 6 positive divisors. The sum of these divisors (counting 18731668) is 1, the average is 0.16666666666667.

Base conversion 18731668

Base System Value
2 Binary 1000111011101001010010100
3 Ternary 1022020200000111
4 Quaternary 1013131022110
5 Quinary 14243403133
6 Senary 1505252404
8 Octal 107351224
10 Decimal 18731668
12 Duodecimal 6334104
16 Hexadecimal 11dd294
20 Vigesimal 5h1938
36 Base36 b5hg4

Cryptographic Hash Functions

md5 b88f95541301f64bddf4502c8b092a83
sha1 80fd0c580526fa2a55c85d1387dd0985bcdb398f
sha256 86ce54595f0ea35b058b961f96cb19c24ed89fcaa2e0d8b4b114df3f61b86325
sha512 b98f65ef04f45aaf491205bd5f2e02357a09080f0fd3acc7c1d14ceee820f532e516e41fdff71ae707cc908e8c0f0ce0276b540542cd13082bb67935af99e30b
ripemd-160 210a21b4e9cc32fea3b7c30cea8a23b4f1859ae4

18731668 as geometric shapes

Circle

Radius = n
Diameter 37463336
Circumference 117694541.15657
Area 1.1023075351786E+15

Sphere

Radius = n
Volume 2.7530745043818E+22
Surface area 4.4092301407143E+15
Circumference 117694541.15657

Square

Length = n
Perimeter 74926672
Area 350875386062224
Diagonal 26490578.93147

Cube

Length = n
Surface area 2105252316373344
Volume 6.5724812410894E+21
Space diagonal 32444200.686512

Equilateral Triangle

Length = n
Perimeter 56195004
Area 1.5193349894628E+14
Altitude 16222100.343256

Triangular Pyramid

Length = n
Surface area 1.5193349894628E+14
Volume 7.7457434246595E+20
Height 8830192.9771567