18808 (number)

18808 is an even 5-digits composite number following 18807 and preceding 18809. In scientific notation, it is written as 1.8808 × 10^4. The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors. There are 9400 positive integers (up to 18808) that are relatively prime to 18808.

Interesting facts

Basic properties

Name

Name eighteen thousand eight hundred eight

Notation

Scientific notation 1.8808 × 10^4
Engineering notation 1.8808 × 10^3

Prime Factorization of 18808

Prime Factorization 2 × 2 × 2 × 2351

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4702
Product of the distinct prime numbers

The prime factorization of 18808 is 2 × 2 × 2 × 2351. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 1, 26, 331, 186, 7906, 633, 66382, 74220, 832874, 714744, 7157383, 4577841, 41913776, 85690546, 421583302, 461710372, 849355843, 3934585202

Basic calculations (n = 18808)

Multiplication

n×y
n×2 37616
n×3 56424
n×4 75232
n×5 94040

Division

n÷y
n÷2 9404
n÷3 6269.3333333333
n÷3 4702
n÷5 3761.6

Exponentiation

ny
n2 353740864
n3 6653158170112
n4 125132598863466496
n5 2.3534939194241E+21

Nth Root

y√n
2√n 137.14226190347
3√n 26.593829009253
4√n 11.710775461235
5√n 7.1592664030153

Divisors of 18808

1, 2, 4, 8, 2351, 4702, 9404, 18808

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18808 can be divided by 8 positive divisors. The sum of these divisors (counting 18808) is 1, the average is 0.125.

Base conversion 18808

Base System Value
2 Binary 100100101111000
3 Ternary 221210121
4 Quaternary 10211320
5 Quinary 1100213
6 Senary 223024
8 Octal 44570
10 Decimal 18808
12 Duodecimal aa74
16 Hexadecimal 4978
20 Vigesimal 2708
36 Base36 eig

Cryptographic Hash Functions

md5 4d01d08b5ad58aa49c662d7f5bec012a
sha1 0797bb1b328db62adaaacb4d978a2e7f95b0ba0c
sha256 5cdaba6d95acd0979531e1fa0801f8a3dbd1e5727730f70db234016939df7f0e
sha512 0ef1d6ff79672ebb680e72c4b2eb4d1b06ffc72ce853bdd6bd790d055348d61e6c1c03e92a1a209f4756887f0ee17025ac88730a4107ea0f5d2899e4fc94e2fb
ripemd-160 6ce46001e83495bdffcbe75ae089a547cb16c566

18808 as geometric shapes

Circle

Radius = n
Diameter 37616
Circumference 118174.14925743
Area 1111309699.6169

Sphere

Radius = n
Volume 27868683773860
Surface area 4445238798.4676
Circumference 118174.14925743

Square

Length = n
Perimeter 75232
Area 353740864
Diagonal 26598.528681113

Cube

Length = n
Surface area 2122445184
Volume 6653158170112
Space diagonal 32576.411588755

Equilateral Triangle

Length = n
Perimeter 56424
Area 153174287.29033
Altitude 16288.205794378

Triangular Pyramid

Length = n
Surface area 153174287.29033
Volume 784082209732.15
Height 8866.1762270377