18240 (number)

18240 is an even 5-digits composite number following 18239 and preceding 18241. In scientific notation, it is written as 1.8240 × 10^4. The sum of its digits is 15. It has a total of 8 prime factors and 28 positive divisors. There are 4608 positive integers (up to 18240) that are relatively prime to 18240.

Interesting facts

Basic properties

Name

Name eighteen thousand two hundred forty

Notation

Scientific notation 1.8240 × 10^4
Engineering notation 1.8240 × 10^3

Prime Factorization of 18240

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 57 × 5

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 570
Product of the distinct prime numbers

The prime factorization of 18240 is 2 × 2 × 2 × 2 × 2 × 2 × 57 × 5. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 4, 86, 48, 765, 796, 2264, 1346, 913, 70798, 44821, 859004, 2607636, 3725034, 44302129, 14476015, 13107278, 27841990, 4534327288, 2211431999

Basic calculations (n = 18240)

Multiplication

n×y
n×2 36480
n×3 54720
n×4 72960
n×5 91200

Division

n÷y
n÷2 9120
n÷3 6080
n÷3 4560
n÷5 3648

Exponentiation

ny
n2 332697600
n3 6068404224000
n4 110687693045760000
n5 2.0189435211547E+21

Nth Root

y√n
2√n 135.05554412907
3√n 26.323377460966
4√n 11.621340031557
5√n 7.1154925257695

Divisors of 18240

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 57, 64, 80, 114, 160, 228, 285, 320, 456, 570, 912, 1140, 1824, 2280, 3648, 4560, 9120, 18240

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18239
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18240 can be divided by 28 positive divisors. The sum of these divisors (counting 18240) is 1, the average is 0.035714285714286.

Base conversion 18240

Base System Value
2 Binary 100011101000000
3 Ternary 221000120
4 Quaternary 10131000
5 Quinary 1040430
6 Senary 220240
8 Octal 43500
10 Decimal 18240
12 Duodecimal a680
16 Hexadecimal 4740
20 Vigesimal 25c0
36 Base36 e2o

Cryptographic Hash Functions

md5 fea427597536f3e21482196d31927037
sha1 cf4ef52833d10e52e7f045a71a283aaa7525d17c
sha256 659b3b192b50f9e981e139fedca169f2a94a20367c44ea35935d6c7ce53eaeeb
sha512 9516fa1e5069cc0b4db50f2a91ad5428dae6eae0db85da6cd1115a6539b049c76392f16766406e8df3beca0555a82a5cb67ebc933c6b455d915de9e75e74215f
ripemd-160 7ec47421eee4b788ee6b0c17d0019cb1739506c2

18240 as geometric shapes

Circle

Radius = n
Diameter 36480
Circumference 114605.30000296
Area 1045200336.027

Sphere

Radius = n
Volume 25419272172176
Surface area 4180801344.1078
Circumference 114605.30000296

Square

Length = n
Perimeter 72960
Area 332697600
Diagonal 25795.255377685

Cube

Length = n
Surface area 1996185600
Volume 6068404224000
Space diagonal 31592.606730056

Equilateral Triangle

Length = n
Perimeter 54720
Area 144062286.68906
Altitude 15796.303365028

Triangular Pyramid

Length = n
Surface area 144062286.68906
Volume 715168296295.25
Height 8598.4184592284