256988 (number)

256988 is an even 6-digits composite number following 256987 and preceding 256989. In scientific notation, it is written as 2.56988 × 10^5. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 125280 positive integers (up to 256988) that are relatively prime to 256988.

Interesting facts

Basic properties

Name

Name two hundred fifty-six thousand nine hundred eighty-eight

Notation

Scientific notation 2.56988 × 10^5
Engineering notation 2.56988 × 10^3

Prime Factorization of 256988

Prime Factorization 2 × 2 × 41 × 1567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128494
Product of the distinct prime numbers

The prime factorization of 256988 is 2 × 2 × 41 × 1567. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 256988)

Multiplication

n×y
n×2 513976
n×3 770964
n×4 1027952
n×5 1284940

Division

n÷y
n÷2 128494
n÷3 85662.666666667
n÷3 64247
n÷5 51397.6

Exponentiation

ny
n2 66042832144
n3 16972215347022272
n4 4.3616556776006E+21
n5 1.1208931692752E+27

Nth Root

y√n
2√n 506.93983863966
3√n 63.577622231562
4√n 22.515324528855
5√n 12.077653585588

Divisors of 256988

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 -256987
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 256988 can be divided by 12 positive divisors. The sum of these divisors (counting 256988) is 1, the average is 0.083333333333333.

Base conversion 256988

Base System Value
2 Binary 111110101111011100
3 Ternary 111001112002
4 Quaternary 332233130
5 Quinary 31210423
6 Senary 5301432
8 Octal 765734
10 Decimal 256988
12 Duodecimal 104878
16 Hexadecimal 3ebdc
20 Vigesimal 1c298
36 Base36 5iak

Cryptographic Hash Functions

md5 6ba146ea9654c10e700f0b599f5947ec
sha1 ac6797e53493e936360ad139d5096e344afbe2e9
sha256 a9f3a2adbb7f868fa1d5284c84f6bed09138de9a6ffa3f1f42b51f781356399d
sha512 0362876fe96ae079e68c56f8afc2934319ba19a54cdc67f915fb3b219d3b4d506d5193980b2caca922762f8c26294d15f0074e4304f5b0b60ddf44849f4d8fa7
ripemd-160 a04cd3e637c37f2bc579c65186a5e006e0533923

256988 as geometric shapes

Circle

Radius = n
Diameter 513976
Circumference 1614703.2257215
Area 207479676285.85

Sphere

Radius = n
Volume 7.1093049399132E+16
Surface area 829918705143.42
Circumference 1614703.2257215

Square

Length = n
Perimeter 1027952
Area 66042832144
Diagonal 363435.91496714

Cube

Length = n
Surface area 396256992864
Volume 16972215347022272
Space diagonal 445116.27293551

Equilateral Triangle

Length = n
Perimeter 770964
Area 28597385187.288
Altitude 222558.13646776

Triangular Pyramid

Length = n
Surface area 28597385187.288
Volume 2.0001947606063E+15
Height 121145.30498905