18900 (number)

18900 is an even 5-digits composite number following 18899 and preceding 18901. In scientific notation, it is written as 1.8900 × 10^4. The sum of its digits is 18. It has a total of 8 prime factors and 72 positive divisors. There are 4320 positive integers (up to 18900) that are relatively prime to 18900.

Interesting facts

Basic properties

Name

Name eighteen thousand nine hundred

Notation

Scientific notation 1.8900 × 10^4
Engineering notation 1.8900 × 10^3

Prime Factorization of 18900

Prime Factorization 2 × 2 × 3 × 3 × 7 × 3 × 5 × 5

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 210
Product of the distinct prime numbers

The prime factorization of 18900 is 2 × 2 × 3 × 3 × 7 × 3 × 5 × 5. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 2, 71, 9, 179, 687, 8128, 5477, 85971, 99361, 209819, 102761, 4700474, 5751950, 56244155, 43034780, 761016952, 178552681, 7121763194, 1912265885

Basic calculations (n = 18900)

Multiplication

n×y
n×2 37800
n×3 56700
n×4 75600
n×5 94500

Division

n÷y
n÷2 9450
n÷3 6300
n÷3 4725
n÷5 3780

Exponentiation

ny
n2 357210000
n3 6751269000000
n4 127598984100000000
n5 2.41162079949E+21

Nth Root

y√n
2√n 137.47727084868
3√n 26.637120052278
4√n 11.725070185235
5√n 7.1662567002254

Divisors of 18900

1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 9450, 18900

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18900 can be divided by 72 positive divisors. The sum of these divisors (counting 18900) is 1, the average is 0.013888888888889.

Base conversion 18900

Base System Value
2 Binary 100100111010100
3 Ternary 221221000
4 Quaternary 10213110
5 Quinary 1101100
6 Senary 223300
8 Octal 44724
10 Decimal 18900
12 Duodecimal ab30
16 Hexadecimal 49d4
20 Vigesimal 2750
36 Base36 el0

Cryptographic Hash Functions

md5 bfdafe35424837efcd9077bdc9bb010c
sha1 40e02f47222d445b8f2fd4380dc08dec9349421d
sha256 97bc30958636d678585af665c179ad13a59db0b56441f9401a9504d8cf2f10de
sha512 25a82dd71b663287149478fe4fc82aa7f4419ac533ccbe2277b86cecb23a4ecde77d7245d4b4c482f8e6d2fa9372e92859c4b1cc4967504266a36555ca89311e
ripemd-160 64dcf71611ba07f1d4a74557d013e962aa5000c4

18900 as geometric shapes

Circle

Radius = n
Diameter 37800
Circumference 118752.20230569
Area 1122208311.7888

Sphere

Radius = n
Volume 28279649457078
Surface area 4488833247.1552
Circumference 118752.20230569

Square

Length = n
Perimeter 75600
Area 357210000
Diagonal 26728.636328851

Cube

Length = n
Surface area 2143260000
Volume 6751269000000
Space diagonal 32735.760263052

Equilateral Triangle

Length = n
Perimeter 56700
Area 154676467.24292
Altitude 16367.880131526

Triangular Pyramid

Length = n
Surface area 154676467.24292
Volume 795644681919.09
Height 8909.5454429505