2855 (number)

2855 is an odd 4-digits composite number following 2854 and preceding 2856. In scientific notation, it is written as 2.855 × 10^3. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 2280 positive integers (up to 2855) that are relatively prime to 2855.

Interesting facts

Basic properties

Name

Name two thousand eight hundred fifty-five

Notation

Scientific notation 2.855 × 10^3
Engineering notation 2.855 × 10^3

Prime Factorization of 2855

Prime Factorization 5 × 571

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2855
Product of the distinct prime numbers

The prime factorization of 2855 is 5 × 571. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2855)

Multiplication

n×y
n×2 5710
n×3 8565
n×4 11420
n×5 14275

Division

n÷y
n÷2 1427.5
n÷3 951.66666666667
n÷3 713.75
n÷5 571

Exponentiation

ny
n2 8151025
n3 23271176375
n4 66439208550625
n5 189683940412034375

Nth Root

y√n
2√n 53.43220002957
3√n 14.18628577394
4√n 7.3097332392893
5√n 4.9104492001696

Divisors of 2855

1, 5, 571, 2855

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2854
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2855 can be divided by 4 positive divisors. The sum of these divisors (counting 2855) is 1, the average is 0.25.

Base conversion 2855

Base System Value
2 Binary 101100100111
3 Ternary 10220202
4 Quaternary 230213
5 Quinary 42410
6 Senary 21115
8 Octal 5447
10 Decimal 2855
12 Duodecimal 179b
16 Hexadecimal b27
20 Vigesimal 72f
36 Base36 27b

Cryptographic Hash Functions

md5 1a6727711b84fd1efbb87fc565199d13
sha1 c54515459d02d43144208e18f4c8acd73e3aa144
sha256 f22be6c15a5358aff79ed6e1aa62908339a08fc7c05b104636a5526fb9381039
sha512 7cabb1baf623d3edf7ef92d60521c7498b9c8f677ab145b18c956a5eaefddfb6a49686a67fd97092a04323571443abaf7e8c8931032b6722ad9fead71da3c04f
ripemd-160 f1f3c767934f548a522add07a57f3e281812f6d2

2855 as geometric shapes

Circle

Radius = n
Diameter 5710
Circumference 17938.494051998
Area 25607200.259227

Sphere

Radius = n
Volume 97478075653.456
Surface area 102428801.03691
Circumference 17938.494051998

Square

Length = n
Perimeter 11420
Area 8151025
Diagonal 4037.5797205752

Cube

Length = n
Surface area 48906150
Volume 23271176375
Space diagonal 4945.0050556091

Equilateral Triangle

Length = n
Perimeter 8565
Area 3529497.358441
Altitude 2472.5025278046

Triangular Pyramid

Length = n
Surface area 3529497.358441
Volume 2742534436.8251
Height 1345.8599068584