18864 (number)

18864 is an even 5-digits composite number following 18863 and preceding 18865. In scientific notation, it is written as 1.8864 × 10^4. The sum of its digits is 27. It has a total of 7 prime factors and 30 positive divisors. There are 6240 positive integers (up to 18864) that are relatively prime to 18864.

Interesting facts

Basic properties

Name

Name eighteen thousand eight hundred sixty-four

Notation

Scientific notation 1.8864 × 10^4
Engineering notation 1.8864 × 10^3

Prime Factorization of 18864

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 786
Product of the distinct prime numbers

The prime factorization of 18864 is 2 × 2 × 2 × 2 × 3 × 3 × 131. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 8, 100, 29, 40, 234, 385, 1452, 67638, 15524, 948234, 992678, 9427740, 7046542, 77448583, 56956674, 823782406, 83043905, 610089325, 9916999301

Basic calculations (n = 18864)

Multiplication

n×y
n×2 37728
n×3 56592
n×4 75456
n×5 94320

Division

n÷y
n÷2 9432
n÷3 6288
n÷3 4716
n÷5 3772.8

Exponentiation

ny
n2 355850496
n3 6712763756544
n4 126629575503446016
n5 2.388740312297E+21

Nth Root

y√n
2√n 137.34627770712
3√n 26.620196845656
4√n 11.719482825923
5√n 7.1635246152907

Divisors of 18864

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 131, 144, 262, 393, 524, 786, 1048, 1179, 1572, 2096, 2358, 3144, 4716, 6288, 9432, 18864

30 divisors

τ Total Divisors 30
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.033333333333333
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 30
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18864 can be divided by 30 positive divisors. The sum of these divisors (counting 18864) is 1, the average is 0.033333333333333.

Base conversion 18864

Base System Value
2 Binary 100100110110000
3 Ternary 221212200
4 Quaternary 10212300
5 Quinary 1100424
6 Senary 223200
8 Octal 44660
10 Decimal 18864
12 Duodecimal ab00
16 Hexadecimal 49b0
20 Vigesimal 2734
36 Base36 ek0

Cryptographic Hash Functions

md5 48af87b587036693d6a3caf03db7dc02
sha1 8ca3b27b56227fe041996e7c81126a60945ea847
sha256 64522b9d0fe340d38ff6466ff3062475f31bd6a66ba4d8216f3ccdbf97a4efc6
sha512 3cfe1fab20c6a1241193ac825c2682a806b5a8d995c5aa4241b767d21b351ce7904644124de50ea006f6680cc3557d9283412c4ebd3fe6070503f15bdebebbe8
ripemd-160 6f57fb55196cf2fac53f3612b441b44aeba9d1a2

18864 as geometric shapes

Circle

Radius = n
Diameter 37728
Circumference 118526.00763464
Area 1117937304.0099

Sphere

Radius = n
Volume 28118359070457
Surface area 4471749216.0395
Circumference 118526.00763464

Square

Length = n
Perimeter 75456
Area 355850496
Diagonal 26677.724640606

Cube

Length = n
Surface area 2135102976
Volume 6712763756544
Space diagonal 32673.406433979

Equilateral Triangle

Length = n
Perimeter 56592
Area 154087784.74265
Altitude 16336.70321699

Triangular Pyramid

Length = n
Surface area 154087784.74265
Volume 791106795459.26
Height 8892.574880202