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.
2813 has 4 divisors, whose sum is 2940
The reverse of 2813 is 3182
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 14
Digital Root 5
Name
two thousand eight hundred thirteen
Scientific notation
2.813 × 10^3
Engineering notation
2.813 × 10^3
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.
8 , 4 , 85 , 3 , 836 , 800 , 197 , 6805 , 54600 , 5762 , 462652 , 291104 , 5665545 , 2240991 , 95149220 , 89934148 , 309407128 , 487928672 , 8373119213 , 401042911
n×2
5626
n×3
8439
n×4
11252
n×5
14065
n÷2
1406.5
n÷3
937.66666666667
n÷3
703.25
n÷5
562.6
n2
7912969
n3
22259181797
n4
62615078394961
n5
176136215525025293
2 √n
53.037722424704
3 √n
14.116376860121
4 √n
7.2827002152158
5 √n
4.8959158702478
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
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
md5
39d352b0395ba768e18f042c6e2a8621
sha1
a725ba7793dcf98a84da8a88d5554a14625ff410
sha256
78964ea28e651262ded2292b95a5b4559f6a653e3a376e6ff85cc72a7a668909
sha512
5e83a3ad71a3ebee5d3d2c519ff2a2dafce628bc2768da98d6b95fbe9fbe8151f692c7fac6a9fa9cb34227c522b4a92a497ae15562c8bbd033df28c12f1df126
ripemd-160
22468fd2ac064a8034660436b0d3a8d5818f066f
Diameter
5626
Circumference
17674.600269096
Area
24859325.278484
Volume
93239042677.833
Surface area
99437301.113935
Circumference
17674.600269096
Perimeter
11252
Area
7912969
Diagonal
3978.1827509555
Surface area
47477814
Volume
22259181797
Space diagonal
4872.2589216913
Perimeter
8439
Area
3426416.0866794
Altitude
2436.1294608456
Surface area
3426416.0866794
Volume
2623269732.0538
Height
1326.0609169852