18923 (number)

18923 is an odd 5-digits composite number following 18922 and preceding 18924. In scientific notation, it is written as 1.8923 × 10^4. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 18648 positive integers (up to 18923) that are relatively prime to 18923.

Interesting facts

Basic properties

Name

Name eighteen thousand nine hundred twenty-three

Notation

Scientific notation 1.8923 × 10^4
Engineering notation 1.8923 × 10^3

Prime Factorization of 18923

Prime Factorization 149 × 127

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18923
Product of the distinct prime numbers

The prime factorization of 18923 is 149 × 127. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 8, 24, 87, 806, 627, 1557, 1313, 53423, 91791, 623543, 46145, 7227494, 3947996, 62833024, 48018729, 870120879, 483442312, 968313250, 3432002469

Basic calculations (n = 18923)

Multiplication

n×y
n×2 37846
n×3 56769
n×4 75692
n×5 94615

Division

n÷y
n÷2 9461.5
n÷3 6307.6666666667
n÷3 4730.75
n÷5 3784.6

Exponentiation

ny
n2 358079929
n3 6775946496467
n4 128221235552645041
n5 2.4263304403627E+21

Nth Root

y√n
2√n 137.56089560627
3√n 26.647920853158
4√n 11.728635709505
5√n 7.168000020129

Divisors of 18923

1, 127, 149, 18923

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18922
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18923 can be divided by 4 positive divisors. The sum of these divisors (counting 18923) is 1, the average is 0.25.

Base conversion 18923

Base System Value
2 Binary 100100111101011
3 Ternary 221221212
4 Quaternary 10213223
5 Quinary 1101143
6 Senary 223335
8 Octal 44753
10 Decimal 18923
12 Duodecimal ab4b
16 Hexadecimal 49eb
20 Vigesimal 2763
36 Base36 eln

Cryptographic Hash Functions

md5 d7ea7a7dde348753a17428282d46081e
sha1 f09e51d31ea56c334be99de2985e83ba303670a2
sha256 22895b0d903830fb479aaa677d65a285bcf297011a63439bea09551f82b40131
sha512 4361d1588bdf4b049af4c48800498824c839c071c71abd1eebb5068ddfa78db21cefb2e3a860892d65fc8749dfe07846d40e6a6896539028f2173258e35fd1ee
ripemd-160 05140816505520d5f3c9f0ec58841ea688be7eb7

18923 as geometric shapes

Circle

Radius = n
Diameter 37846
Circumference 118896.71556776
Area 1124941274.3444

Sphere

Radius = n
Volume 28383018312558
Surface area 4499765097.3774
Circumference 118896.71556776

Square

Length = n
Perimeter 75692
Area 358079929
Diagonal 26761.163240786

Cube

Length = n
Surface area 2148479574
Volume 6775946496467
Space diagonal 32775.597431626

Equilateral Triangle

Length = n
Perimeter 56769
Area 155053157.54966
Altitude 16387.798715813

Triangular Pyramid

Length = n
Surface area 155053157.54966
Volume 798552952768.17
Height 8920.3877469287