18668748 (number)

18668748 is an even 8-digits composite number following 18668747 and preceding 18668749. In scientific notation, it is written as 1.8668748 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors. There are 5333904 positive integers (up to 18668748) that are relatively prime to 18668748.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8668748 × 10^7
Engineering notation 1.8668748 × 10^6

Prime Factorization of 18668748

Prime Factorization 2 × 2 × 21 × 222247

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9334374
Product of the distinct prime numbers

The prime factorization of 18668748 is 2 × 2 × 21 × 222247. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18668748)

Multiplication

n×y
n×2 37337496
n×3 56006244
n×4 74674992
n×5 93343740

Division

n÷y
n÷2 9334374
n÷3 6222916
n÷3 4667187
n÷5 3733749.6

Exponentiation

ny
n2 348522151887504
n3 6.5064722260055E+21
n4 1.214676903563E+29
n5 2.2676497014037E+36

Nth Root

y√n
2√n 4320.7346597541
3√n 265.28033937954
4√n 65.732295409137
5√n 28.459222998573

Divisors of 18668748

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18668747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18668748 can be divided by 12 positive divisors. The sum of these divisors (counting 18668748) is 1, the average is 0.083333333333333.

Base conversion 18668748

Base System Value
2 Binary 1000111001101110011001100
3 Ternary 1022010110201010
4 Quaternary 1013031303030
5 Quinary 14234344443
6 Senary 1504045220
8 Octal 107156314
10 Decimal 18668748
12 Duodecimal 6303810
16 Hexadecimal 11cdccc
20 Vigesimal 5gdbh8
36 Base36 b44wc

Cryptographic Hash Functions

md5 893c4e7830767e6a8358aa50e89cbca6
sha1 bca949688577544d2e3a582eba60dbe4ab04312b
sha256 bd9771772fdf274754c74b976ef00c1092ad8015f53ad83f20ba0cc7d1223d41
sha512 b1f1269c6cbe78505583b1a04e0b3a10cb02ad6205b66a412c08a89d2d063cd3edde60a1c9663774fb953a93cbe3265c1116504d1db375c5dc96a8b18aac7144
ripemd-160 4c30af6ebc26f417e174c5446cf192d3bb0eb049

18668748 as geometric shapes

Circle

Radius = n
Diameter 37337496
Circumference 117299203.13704
Area 1.0949146319831E+15

Sphere

Radius = n
Volume 2.7254247128007E+22
Surface area 4.3796585279324E+15
Circumference 117299203.13704

Square

Length = n
Perimeter 74674992
Area 348522151887504
Diagonal 26401596.614126

Cube

Length = n
Surface area 2091132911325024
Volume 6.5064722260055E+21
Space diagonal 32335220.0497

Equilateral Triangle

Length = n
Perimeter 56006244
Area 1.509145186581E+14
Altitude 16167610.02485

Triangular Pyramid

Length = n
Surface area 1.509145186581E+14
Volume 7.6679510543507E+20
Height 8800532.2047085