12856 is an even 5-digits composite number following 12855
and preceding 12857 . In scientific notation, it is written as 1.2856 × 10^4.
The sum of its digits is 22. It has a total of 4 prime factors and 8 positive divisors.
There are 6424 positive integers (up to 12856) that are relatively prime to 12856.
12856 has 8 divisors, whose sum is 24120
The reverse of 12856 is 65821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 22
Digital Root 4
Name
twelve thousand eight hundred fifty-six
Scientific notation
1.2856 × 10^4
Engineering notation
1.2856 × 10^3
Prime Factorization
2 × 2 × 2 × 1607
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3214
Product of the distinct prime numbers
The prime factorization of 12856 is 2 × 2 × 2 × 1607.
Since it has a total of 4 prime factors.
4 , 7 , 80 , 85 , 914 , 729 , 6981 , 552 , 78495 , 68958 , 397488 , 58771 , 9788619 , 3325281 , 58187341 , 36582593 , 849839666 , 562874463 , 6919554886 , 8075143740
n×2
25712
n×3
38568
n×4
51424
n×5
64280
n÷2
6428
n÷3
4285.3333333333
n÷3
3214
n÷5
2571.2
n2
165276736
n3
2124797718016
n4
27316399462813696
n5
3.5117963149393E+20
2 √n
113.38430226447
3 √n
23.426205817635
4 √n
10.648206528072
5 √n
6.6346982052587
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12855
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12856 can be divided by 8 positive divisors.
The sum of these divisors (counting 12856) is 1, the average is 0.125.
Base
System
Value
2
Binary
11001000111000
3
Ternary
122122011
4
Quaternary
3020320
5
Quinary
402411
6
Senary
135304
8
Octal
31070
10
Decimal
12856
12
Duodecimal
7534
16
Hexadecimal
3238
20
Vigesimal
1c2g
36
Base36
9x4
md5
0f40c9bdd25fd8950dc1c7e66862e6d9
sha1
0965872a75baa74414349adb194483874c80dc94
sha256
58ba31f958e9c22ad7c3d98c1849b9cfbf3e34430ef567ee9aa0e13af82b17e8
sha512
7f508f64ab82e53ea6f47a7bb1df978fbc60fe677d9ca4a0af7e8cb4e44a7e25d8d40b9c61e0a662a018a7eeb17d8b55d4f968f97e21d752ccd2cdc2317473f1
ripemd-160
87d6b4896fb71e68877797d7988d1486deed45ab
Diameter
25712
Circumference
80776.630309101
Area
519232179.6269
Volume
8900331868377.9
Surface area
2076928718.5076
Circumference
80776.630309101
Perimeter
51424
Area
165276736
Diagonal
18181.129557869
Surface area
991660416
Volume
2124797718016
Space diagonal
22267.245182105
Perimeter
38568
Area
71566926.015287
Altitude
11133.622591053
Surface area
71566926.015287
Volume
250409812509.8
Height
6060.3765192895