2813 (number)

2813 is an odd 4-digits composite number following 2812 and preceding 2814. In scientific notation, it is written as 2.813 × 10^3. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 2688 positive integers (up to 2813) that are relatively prime to 2813.

Interesting facts

Basic properties

Name

Name two thousand eight hundred thirteen

Notation

Scientific notation 2.813 × 10^3
Engineering notation 2.813 × 10^3

Prime Factorization of 2813

Prime Factorization 29 × 97

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2813
Product of the distinct prime numbers

The prime factorization of 2813 is 29 × 97. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2813)

Multiplication

n×y
n×2 5626
n×3 8439
n×4 11252
n×5 14065

Division

n÷y
n÷2 1406.5
n÷3 937.66666666667
n÷3 703.25
n÷5 562.6

Exponentiation

ny
n2 7912969
n3 22259181797
n4 62615078394961
n5 176136215525025293

Nth Root

y√n
2√n 53.037722424704
3√n 14.116376860121
4√n 7.2827002152158
5√n 4.8959158702478

Divisors of 2813

1, 29, 97, 2813

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 -2812
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 2813 can be divided by 4 positive divisors. The sum of these divisors (counting 2813) is 1, the average is 0.25.

Base conversion 2813

Base System Value
2 Binary 101011111101
3 Ternary 10212012
4 Quaternary 223331
5 Quinary 42223
6 Senary 21005
8 Octal 5375
10 Decimal 2813
12 Duodecimal 1765
16 Hexadecimal afd
20 Vigesimal 70d
36 Base36 265

Cryptographic Hash Functions

md5 39d352b0395ba768e18f042c6e2a8621
sha1 a725ba7793dcf98a84da8a88d5554a14625ff410
sha256 78964ea28e651262ded2292b95a5b4559f6a653e3a376e6ff85cc72a7a668909
sha512 5e83a3ad71a3ebee5d3d2c519ff2a2dafce628bc2768da98d6b95fbe9fbe8151f692c7fac6a9fa9cb34227c522b4a92a497ae15562c8bbd033df28c12f1df126
ripemd-160 22468fd2ac064a8034660436b0d3a8d5818f066f

2813 as geometric shapes

Circle

Radius = n
Diameter 5626
Circumference 17674.600269096
Area 24859325.278484

Sphere

Radius = n
Volume 93239042677.833
Surface area 99437301.113935
Circumference 17674.600269096

Square

Length = n
Perimeter 11252
Area 7912969
Diagonal 3978.1827509555

Cube

Length = n
Surface area 47477814
Volume 22259181797
Space diagonal 4872.2589216913

Equilateral Triangle

Length = n
Perimeter 8439
Area 3426416.0866794
Altitude 2436.1294608456

Triangular Pyramid

Length = n
Surface area 3426416.0866794
Volume 2623269732.0538
Height 1326.0609169852