856 (number)

856 is an even 3-digits composite number following 855 and preceding 857. In scientific notation, it is written as 8.56 × 10^2. The sum of its digits is 19. It has a total of 4 prime factors and 8 positive divisors. There are 424 positive integers (up to 856) that are relatively prime to 856.

Interesting facts

Basic properties

Name

Name eight hundred fifty-six

Notation

Scientific notation 8.56 × 10^2
Engineering notation 8.56 × 10^0

Prime Factorization of 856

Prime Factorization 2 × 2 × 2 × 107

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 214
Product of the distinct prime numbers

The prime factorization of 856 is 2 × 2 × 2 × 107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 856)

Multiplication

n×y
n×2 1712
n×3 2568
n×4 3424
n×5 4280

Division

n÷y
n÷2 428
n÷3 285.33333333333
n÷3 214
n÷5 171.2

Exponentiation

ny
n2 732736
n3 627222016
n4 536902045696
n5 459588151115776

Nth Root

y√n
2√n 29.257477676656
3√n 9.4949187970468
4√n 5.4090181804701
5√n 3.8591774898062

Divisors of 856

1, 2, 4, 8, 107, 214, 428, 856

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 -855
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 856 can be divided by 8 positive divisors. The sum of these divisors (counting 856) is 1, the average is 0.125.

Base conversion 856

Base System Value
2 Binary 1101011000
3 Ternary 1011201
4 Quaternary 31120
5 Quinary 11411
6 Senary 3544
8 Octal 1530
10 Decimal 856
12 Duodecimal 5b4
16 Hexadecimal 358
20 Vigesimal 22g
36 Base36 ns

Cryptographic Hash Functions

md5 8c235f89a8143a28a1d6067e959dd858
sha1 efe76debc08f498165df7f907b88ebc293d438e1
sha256 c0cc3b36d8f848d56fbf95b8259dd6f3bf80707e436233a6bfc2667b49e28c8a
sha512 9917780270d9770607a6a0d8468b7139cf8be0e2d84f2c2d5f531cb26c23315b3778be9b18b1d07f8a91792d9f82d1e3acc11066501868f5338fd589a5aed1f8
ripemd-160 99d4e89cd33d8db4de08ecbef7294a2bf70a3f8d

856 as geometric shapes

Circle

Radius = n
Diameter 1712
Circumference 5378.4066229457
Area 2301958.0346208

Sphere

Radius = n
Volume 2627301436.8472
Surface area 9207832.1384831
Circumference 5378.4066229457

Square

Length = n
Perimeter 3424
Area 732736
Diagonal 1210.5668093914

Cube

Length = n
Surface area 4396416
Volume 627222016
Space diagonal 1482.635491279

Equilateral Triangle

Length = n
Perimeter 2568
Area 317283.9951337
Altitude 741.31774563948

Triangular Pyramid

Length = n
Surface area 317283.9951337
Volume 73918823.470516
Height 403.52226979712