18345 (number)

18345 is an odd 5-digits composite number following 18344 and preceding 18346. In scientific notation, it is written as 1.8345 × 10^4. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 9776 positive integers (up to 18345) that are relatively prime to 18345.

Interesting facts

Basic properties

Name

Name eighteen thousand three hundred forty-five

Notation

Scientific notation 1.8345 × 10^4
Engineering notation 1.8345 × 10^3

Prime Factorization of 18345

Prime Factorization 15 × 1223

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18345
Product of the distinct prime numbers

The prime factorization of 18345 is 15 × 1223. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 9, 18, 113, 743, 9462, 4633, 95359, 68073, 797282, 203252, 5663187, 8576611, 66035827, 57352894, 571233293, 954113235, 1812081010, 8980693276

Basic calculations (n = 18345)

Multiplication

n×y
n×2 36690
n×3 55035
n×4 73380
n×5 91725

Division

n÷y
n÷2 9172.5
n÷3 6115
n÷3 4586.25
n÷5 3669

Exponentiation

ny
n2 336539025
n3 6173808413625
n4 113258515347950625
n5 2.0777274640582E+21

Nth Root

y√n
2√n 135.44371524733
3√n 26.373791713325
4√n 11.638028838568
5√n 7.1236659059868

Divisors of 18345

1, 15, 1223, 18345

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 -18344
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 18345 can be divided by 4 positive divisors. The sum of these divisors (counting 18345) is 1, the average is 0.25.

Base conversion 18345

Base System Value
2 Binary 100011110101001
3 Ternary 221011110
4 Quaternary 10132221
5 Quinary 1041340
6 Senary 220533
8 Octal 43651
10 Decimal 18345
12 Duodecimal a749
16 Hexadecimal 47a9
20 Vigesimal 25h5
36 Base36 e5l

Cryptographic Hash Functions

md5 4793bfc98253b5452fe8c1baf48e8032
sha1 e819e663a8ff4e63f6c8f121e7c5e45f39de32f8
sha256 4eecee48f13f813614b11a1725757c640564b6a8a12a0c55418fa4e2bf4c9b98
sha512 427da1635f3ecb6cc0d4b1b0d973d5d92e34517a856ff2201e27ae27634d8a5a49bd411f0d58d695e84cef3dd24a686b8aeb1b3820a3327d684430a9b503fff4
ripemd-160 d57b21949181da000e9064d5c26f0047926e3c73

18345 as geometric shapes

Circle

Radius = n
Diameter 36690
Circumference 115265.03446021
Area 1057268528.5863

Sphere

Radius = n
Volume 25860788209220
Surface area 4229074114.3451
Circumference 115265.03446021

Square

Length = n
Perimeter 73380
Area 336539025
Diagonal 25943.747801734

Cube

Length = n
Surface area 2019234150
Volume 6173808413625
Space diagonal 31774.472064851

Equilateral Triangle

Length = n
Perimeter 55035
Area 145725672.50742
Altitude 15887.236032426

Triangular Pyramid

Length = n
Surface area 145725672.50742
Volume 727590299170.13
Height 8647.9159339115