18820 (number)

18820 is an even 5-digits composite number following 18819 and preceding 18821. In scientific notation, it is written as 1.8820 × 10^4. The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors. There are 7520 positive integers (up to 18820) that are relatively prime to 18820.

Interesting facts

Basic properties

Name

Name eighteen thousand eight hundred twenty

Notation

Scientific notation 1.8820 × 10^4
Engineering notation 1.8820 × 10^3

Prime Factorization of 18820

Prime Factorization 2 × 2 × 5 × 941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9410
Product of the distinct prime numbers

The prime factorization of 18820 is 2 × 2 × 5 × 941. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 6, 36, 526, 539, 3398, 2014, 4490, 43543, 415397, 998886, 8437958, 1324006, 83007983, 89105624, 436217456, 731222132, 4983946778, 701953281

Basic calculations (n = 18820)

Multiplication

n×y
n×2 37640
n×3 56460
n×4 75280
n×5 94100

Division

n÷y
n÷2 9410
n÷3 6273.3333333333
n÷3 4705
n÷5 3764

Exponentiation

ny
n2 354192400
n3 6665900968000
n4 125452256217760000
n5 2.3610114620182E+21

Nth Root

y√n
2√n 137.18600511714
3√n 26.599483661562
4√n 11.712642960372
5√n 7.1601797301078

Divisors of 18820

1, 2, 4, 5, 10, 20, 941, 1882, 3764, 4705, 9410, 18820

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18819
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18820 can be divided by 12 positive divisors. The sum of these divisors (counting 18820) is 1, the average is 0.083333333333333.

Base conversion 18820

Base System Value
2 Binary 100100110000100
3 Ternary 221211001
4 Quaternary 10212010
5 Quinary 1100240
6 Senary 223044
8 Octal 44604
10 Decimal 18820
12 Duodecimal aa84
16 Hexadecimal 4984
20 Vigesimal 2710
36 Base36 eis

Cryptographic Hash Functions

md5 146017373d58c750fab8341254cf6c16
sha1 9bcafa0533624283aec66c8c447f0fdb19883b55
sha256 b9cb8d651c2fad325d87940759dc2652245df31b5a11f6f6bceea4383fdd246f
sha512 7b3dfb83f2d8f14b751bbaca68f76bb6b521b33e092722825829ca7afece9b4da2cff180b7fe50158400faa114d12ee12e80a9dbac7f3b4e16f3773ef013582c
ripemd-160 3fef8655dbd5dc459d19f001e519894ed8850fb2

18820 as geometric shapes

Circle

Radius = n
Diameter 37640
Circumference 118249.54748112
Area 1112728241.7973

Sphere

Radius = n
Volume 27922060680835
Surface area 4450912967.1894
Circumference 118249.54748112

Square

Length = n
Perimeter 75280
Area 354192400
Diagonal 26615.499243862

Cube

Length = n
Surface area 2125154400
Volume 6665900968000
Space diagonal 32597.196198446

Equilateral Triangle

Length = n
Perimeter 56460
Area 153369808.11369
Altitude 16298.598099223

Triangular Pyramid

Length = n
Surface area 153369808.11369
Volume 785583962865.13
Height 8871.8330812872