2564 is an even 4-digits composite number following 2563
and preceding 2565 . In scientific notation, it is written as 2.564 × 10^3.
The sum of its digits is 17. It has a total of 3 prime factors and 6 positive divisors.
There are 1280 positive integers (up to 2564) that are relatively prime to 2564.
2564 has 6 divisors, whose sum is 4494
The reverse of 2564 is 4652
Previous prime number is 2
Is Prime? no
Number parity even
Number length 4
Sum of Digits 17
Digital Root 8
Name
two thousand five hundred sixty-four
Scientific notation
2.564 × 10^3
Engineering notation
2.564 × 10^3
Prime Factorization
2 × 2 × 641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1282
Product of the distinct prime numbers
The prime factorization of 2564 is 2 × 2 × 641.
Since it has a total of 3 prime factors.
3 , 8 , 98 , 58 , 589 , 407 , 6411 , 5678 , 28694 , 58978 , 669461 , 214383 , 5427894 , 213751 , 76281868 , 35345203 , 310726931 , 391342349 , 7193039659 , 8426795317
n×2
5128
n×3
7692
n×4
10256
n×5
12820
n÷2
1282
n÷3
854.66666666667
n÷3
641
n÷5
512.8
n2
6574096
n3
16855982144
n4
43218738217216
n5
110812844788941824
2 √n
50.635955604689
3 √n
13.686928765524
4 √n
7.1158945751528
5 √n
4.8059982039685
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2563
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2564 can be divided by 6 positive divisors.
The sum of these divisors (counting 2564) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101000000100
3
Ternary
10111222
4
Quaternary
220010
5
Quinary
40224
6
Senary
15512
8
Octal
5004
10
Decimal
2564
12
Duodecimal
1598
16
Hexadecimal
a04
20
Vigesimal
684
36
Base36
1z8
md5
8169e05e2a0debcb15458f2cc1eff0ea
sha1
5f27b32f0a79043e7eed83c6b89fe642a3cff758
sha256
d0c9e369bee256f4b0182a503babb685ee7b00419c985fb423a47bfb0eb89f56
sha512
8d84295e8b1ad974b2dae3c631e88772ccad187ccae2f795b063aa0b08d15ff45508868bc6f2b3a16f59f60af66a88a445bc4cf1b08c3f5023c57dc95a54680e
ripemd-160
08b3791f966a2ddf674f76d549f705099d136ebd
Diameter
5128
Circumference
16110.087127608
Area
20653131.697594
Volume
70606172896.842
Surface area
82612526.790376
Circumference
16110.087127608
Perimeter
10256
Area
6574096
Diagonal
3626.0435739246
Surface area
39444576
Volume
16855982144
Space diagonal
4440.9782706066
Perimeter
7692
Area
2846667.0714588
Altitude
2220.4891353033
Surface area
2846667.0714588
Volume
1986496546.2636
Height
1208.6811913082