18668718 (number)

18668718 is an even 8-digits composite number following 18668717 and preceding 18668719. In scientific notation, it is written as 1.8668718 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 6147576 positive integers (up to 18668718) that are relatively prime to 18668718.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8668718 × 10^7
Engineering notation 1.8668718 × 10^6

Prime Factorization of 18668718

Prime Factorization 2 × 27 × 9 × 107 × 359

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18668718
Product of the distinct prime numbers

The prime factorization of 18668718 is 2 × 27 × 9 × 107 × 359. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18668718)

Multiplication

n×y
n×2 37337436
n×3 56006154
n×4 74674872
n×5 93343590

Division

n÷y
n÷2 9334359
n÷3 6222906
n÷3 4667179.5
n÷5 3733743.6

Exponentiation

ny
n2 348521031763524
n3 6.5064408590623E+21
n4 1.2146690958151E+29
n5 2.2676314813087E+36

Nth Root

y√n
2√n 4320.7311881208
3√n 265.28019728084
4√n 65.732269001768
5√n 28.45921385198

Divisors of 18668718

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18668717
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18668718 can be divided by 32 positive divisors. The sum of these divisors (counting 18668718) is 1, the average is 0.03125.

Base conversion 18668718

Base System Value
2 Binary 1000111001101110010101110
3 Ternary 1022010110200000
4 Quaternary 1013031302232
5 Quinary 14234344333
6 Senary 1504045130
8 Octal 107156256
10 Decimal 18668718
12 Duodecimal 63037a6
16 Hexadecimal 11cdcae
20 Vigesimal 5gdbfi
36 Base36 b44vi

Cryptographic Hash Functions

md5 c2ffafdd1dbf4171893f06379aba72b0
sha1 88f82cb2c8441223e2de435656d54efff9bf8115
sha256 287a386a9956c2d38c062b8222aea0b10ec9ec56e98bb306482066fcc95d1420
sha512 d07259e0bd3cf52af71387dfe69174eadabd48d20b18f5a1d96aa9ef91f5e318e3d2df7651b3014f30762bc6544ea4cda94d69d7e5d3f13d05f1a7fc80ac7b67
ripemd-160 e4d594e7d47c0bf424f1bf0d438626ccf358249b

18668718 as geometric shapes

Circle

Radius = n
Diameter 37337436
Circumference 117299014.64148
Area 1.0949111130098E+15

Sphere

Radius = n
Volume 2.7254115738462E+22
Surface area 4.3796444520393E+15
Circumference 117299014.64148

Square

Length = n
Perimeter 74674872
Area 348521031763524
Diagonal 26401554.187719

Cube

Length = n
Surface area 2091126190581144
Volume 6.5064408590623E+21
Space diagonal 32335168.088176

Equilateral Triangle

Length = n
Perimeter 56006154
Area 1.5091403363019E+14
Altitude 16167584.044088

Triangular Pyramid

Length = n
Surface area 1.5091403363019E+14
Volume 7.6679140880536E+20
Height 8800518.0625729