1256 (number)

1256 is an even 4-digits composite number following 1255 and preceding 1257. In scientific notation, it is written as 1.256 × 10^3. The sum of its digits is 14. It has a total of 4 prime factors and 8 positive divisors. There are 624 positive integers (up to 1256) that are relatively prime to 1256.

Interesting facts

Basic properties

Name

Name one thousand two hundred fifty-six

Notation

Scientific notation 1.256 × 10^3
Engineering notation 1.256 × 10^3

Prime Factorization of 1256

Prime Factorization 2 × 2 × 2 × 157

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 314
Product of the distinct prime numbers

The prime factorization of 1256 is 2 × 2 × 2 × 157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 51, 48, 383, 849, 8423, 6677, 66436, 2797, 645948, 671489, 505164, 1070408, 2710122, 84325820, 520501740, 627529668, 7102976143, 1393366852

Basic calculations (n = 1256)

Multiplication

n×y
n×2 2512
n×3 3768
n×4 5024
n×5 6280

Division

n÷y
n÷2 628
n÷3 418.66666666667
n÷3 314
n÷5 251.2

Exponentiation

ny
n2 1577536
n3 1981385216
n4 2488619831296
n5 3125706508107776

Nth Root

y√n
2√n 35.440090293339
3√n 10.789381424219
4√n 5.9531580101102
5√n 4.1667546416183

Divisors of 1256

1, 2, 4, 8, 157, 314, 628, 1256

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 -1255
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 1256 can be divided by 8 positive divisors. The sum of these divisors (counting 1256) is 1, the average is 0.125.

Base conversion 1256

Base System Value
2 Binary 10011101000
3 Ternary 1201112
4 Quaternary 103220
5 Quinary 20011
6 Senary 5452
8 Octal 2350
10 Decimal 1256
12 Duodecimal 888
16 Hexadecimal 4e8
20 Vigesimal 32g
36 Base36 yw

Cryptographic Hash Functions

md5 e3251075554389fe91d17a794861d47b
sha1 0735ec301b2987daad452d62c34b0884de674e46
sha256 e7d5f7be5195d60646a43ebfa0c38f0451121756e4146f5c2c75deb4e1f63820
sha512 450932b36461918a013b8d6cdf7491c9c601f49e71902d502daf8cdc8734cef65ed8e102cfa321b3441c87650751724fb3c15d32fa86bb1b5e6d2dc60ba86228
ripemd-160 39ba102714d532f22367219b4495a5e04889d639

1256 as geometric shapes

Circle

Radius = n
Diameter 2512
Circumference 7891.6807458176
Area 4955975.5083734

Sphere

Radius = n
Volume 8299606984.6894
Surface area 19823902.033494
Circumference 7891.6807458176

Square

Length = n
Perimeter 5024
Area 1577536
Diagonal 1776.2522343406

Cube

Length = n
Surface area 9465216
Volume 1981385216
Space diagonal 2175.4558143065

Equilateral Triangle

Length = n
Perimeter 3768
Area 683093.12569224
Altitude 1087.7279071533

Triangular Pyramid

Length = n
Surface area 683093.12569224
Volume 233508487.06273
Height 592.08407811354