2656 is an even 4-digits composite number following 2655
and preceding 2657 . In scientific notation, it is written as 2.656 × 10^3.
The sum of its digits is 19. It has a total of 6 prime factors and 12 positive divisors.
There are 1312 positive integers (up to 2656) that are relatively prime to 2656.
2656 has 12 divisors, whose sum is 5292
The reverse of 2656 is 6562
Previous prime number is 2
Is Prime? no
Number parity even
Number length 4
Sum of Digits 19
Digital Root 1
Name
two thousand six hundred fifty-six
Scientific notation
2.656 × 10^3
Engineering notation
2.656 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 83
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
166
Product of the distinct prime numbers
The prime factorization of 2656 is 2 × 2 × 2 × 2 × 2 × 83.
Since it has a total of 6 prime factors.
3 , 8 , 28 , 93 , 420 , 631 , 9094 , 2138 , 68068 , 95407 , 263218 , 178653 , 6293399 , 4885157 , 69789531 , 61312667 , 37873094 , 981712468 , 608319356 , 2568971869
n×2
5312
n×3
7968
n×4
10624
n×5
13280
n÷2
1328
n÷3
885.33333333333
n÷3
664
n÷5
531.2
n2
7054336
n3
18736316416
n4
49763656400896
n5
132172271400779776
2 √n
51.536394906901
3 √n
13.848711145254
4 √n
7.1788853526784
5 √n
4.8400028139319
1 , 2 , 4 , 8 , 16 , 32 , 83 , 166 , 332 , 664 , 1328 , 2656
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2655
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2656 can be divided by 12 positive divisors.
The sum of these divisors (counting 2656) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001100000
3
Ternary
10122101
4
Quaternary
221200
5
Quinary
41111
6
Senary
20144
8
Octal
5140
10
Decimal
2656
12
Duodecimal
1654
16
Hexadecimal
a60
20
Vigesimal
6cg
36
Base36
21s
md5
1680e9fa7b4dd5d62ece800239bb53bd
sha1
686375a4a3a3810f09b740c79cf130390fe51e36
sha256
cf3b763a62724306dca2a00ed53a7c0a19074286e40b8f0b96544ccbab4aaae2
sha512
75ef0f016ec14bddb013fc89efcb7a5c84debb03a1b254d60b4090760d36c71d9246e62290816d27ae3d784873e388b061b3be028037d1196f18f82468209b3d
ripemd-160
48c14712fa0dc9d1dc35142f4ac97e2428a593d2
Diameter
5312
Circumference
16688.140175869
Area
22161850.153554
Volume
78482498677.119
Surface area
88647400.614216
Circumference
16688.140175869
Perimeter
10624
Area
7054336
Diagonal
3756.1512216629
Surface area
42326016
Volume
18736316416
Space diagonal
4600.3269449029
Perimeter
7968
Area
3054617.0914156
Altitude
2300.1634724515
Surface area
3054617.0914156
Volume
2208096065.3684
Height
1252.050407221