12820 (number)

12820 is an even 5-digits composite number following 12819 and preceding 12821. In scientific notation, it is written as 1.2820 × 10^4. The sum of its digits is 13. It has a total of 4 prime factors and 12 positive divisors. There are 5120 positive integers (up to 12820) that are relatively prime to 12820.

Interesting facts

Basic properties

Name

Name twelve thousand eight hundred twenty

Notation

Scientific notation 1.2820 × 10^4
Engineering notation 1.2820 × 10^3

Prime Factorization of 12820

Prime Factorization 2 × 2 × 5 × 641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6410
Product of the distinct prime numbers

The prime factorization of 12820 is 2 × 2 × 5 × 641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 11, 12, 865, 251, 5961, 505, 71510, 10502, 296435, 65730, 9009837, 1241177, 62780958, 82513239, 790819415, 533593663, 4467748210, 2835808347

Basic calculations (n = 12820)

Multiplication

n×y
n×2 25640
n×3 38460
n×4 51280
n×5 64100

Division

n÷y
n÷2 6410
n÷3 4273.3333333333
n÷3 3205
n÷5 2564

Exponentiation

ny
n2 164352400
n3 2106997768000
n4 27011711385760000
n5 3.4629013996544E+20

Nth Root

y√n
2√n 113.22543883775
3√n 23.404318972923
4√n 10.640744280253
5√n 6.6309782749447

Divisors of 12820

1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820

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 -12819
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 12820 can be divided by 12 positive divisors. The sum of these divisors (counting 12820) is 1, the average is 0.083333333333333.

Base conversion 12820

Base System Value
2 Binary 11001000010100
3 Ternary 122120211
4 Quaternary 3020110
5 Quinary 402240
6 Senary 135204
8 Octal 31024
10 Decimal 12820
12 Duodecimal 7504
16 Hexadecimal 3214
20 Vigesimal 1c10
36 Base36 9w4

Cryptographic Hash Functions

md5 e4017fc196bfb479f173f387595d79e5
sha1 c08097bac64323e201add98df5e2bd808897f758
sha256 33e21c37eb4eab2fad23566ae7e6248439f98af1d8d19f51a844bbe90b404eec
sha512 0a95d5bed25ae8897bbf0ac10f3d78cd4187158cfaee3f926c86cd16dd98c3b0e8c727d297ff4a1cd81b0cefa1db041ddf13b670966fef6e25fdf55a4b90fb92
ripemd-160 3947702dc73c2ea515dd9845af501c1affa26fc2

12820 as geometric shapes

Circle

Radius = n
Diameter 25640
Circumference 80550.435638042
Area 516328292.43985

Sphere

Radius = n
Volume 8825771612105.2
Surface area 2065313169.7594
Circumference 80550.435638042

Square

Length = n
Perimeter 51280
Area 164352400
Diagonal 18130.217869623

Cube

Length = n
Surface area 986114400
Volume 2106997768000
Space diagonal 22204.891353033

Equilateral Triangle

Length = n
Perimeter 38460
Area 71166676.786471
Altitude 11102.445676517

Triangular Pyramid

Length = n
Surface area 71166676.786471
Volume 248312068282.95
Height 6043.405956541