256420 (number)

256420 is an even 6-digits composite number following 256419 and preceding 256421. In scientific notation, it is written as 2.56420 × 10^5. The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors. There are 102560 positive integers (up to 256420) that are relatively prime to 256420.

Interesting facts

Basic properties

Name

Name two hundred fifty-six thousand four hundred twenty

Notation

Scientific notation 2.56420 × 10^5
Engineering notation 2.56420 × 10^3

Prime Factorization of 256420

Prime Factorization 2 × 2 × 5 × 12821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128210
Product of the distinct prime numbers

The prime factorization of 256420 is 2 × 2 × 5 × 12821. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 256420)

Multiplication

n×y
n×2 512840
n×3 769260
n×4 1025680
n×5 1282100

Division

n÷y
n÷2 128210
n÷3 85473.333333333
n÷3 64105
n÷5 51284

Exponentiation

ny
n2 65751216400
n3 16859926909288000
n4 4.3232224580796E+21
n5 1.1085607027008E+27

Nth Root

y√n
2√n 506.37930447442
3√n 63.530747504124
4√n 22.502873249308
5√n 12.072310005163

Divisors of 256420

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 -256419
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 256420 can be divided by 12 positive divisors. The sum of these divisors (counting 256420) is 1, the average is 0.083333333333333.

Base conversion 256420

Base System Value
2 Binary 111110100110100100
3 Ternary 111000202001
4 Quaternary 332212210
5 Quinary 31201140
6 Senary 5255044
8 Octal 764644
10 Decimal 256420
12 Duodecimal 104484
16 Hexadecimal 3e9a4
20 Vigesimal 1c110
36 Base36 5hus

Cryptographic Hash Functions

md5 7158a6df993d0abb162a3bc4f459ed76
sha1 9ff29040ec842b9bf51b5cfd237f8b6cded3599c
sha256 ec4d2b64a618e159f5536301b36f3b5943cf50d909a215a43f93e1ea64d3cccc
sha512 69a61e20bb9877fb9e4462dc7959db74128951b2e0cbaed04314b68399fb3c876353206c9342895afbcf3a1c07b50d419a1c5d4d5809da6069545c23cfee276f
ripemd-160 cc5add77f9e22c5eed66d02a8f79ff5353bd1793

256420 as geometric shapes

Circle

Radius = n
Diameter 512840
Circumference 1611134.376467
Area 206563538406.83

Sphere

Radius = n
Volume 7.062269669104E+16
Surface area 826254153627.33
Circumference 1611134.376467

Square

Length = n
Perimeter 1025680
Area 65751216400
Diagonal 362632.64166371

Cube

Length = n
Surface area 394507298400
Volume 16859926909288000
Space diagonal 444132.46807681

Equilateral Triangle

Length = n
Perimeter 769260
Area 28471111866.064
Altitude 222066.23403841

Triangular Pyramid

Length = n
Surface area 28471111866.064
Volume 1.9869614413112E+15
Height 120877.54722124