12816 is an even 5-digits composite number following 12815
and preceding 12817 . In scientific notation, it is written as 1.2816 × 10^4.
The sum of its digits is 18. It has a total of 6 prime factors and 20 positive divisors.
There are 4224 positive integers (up to 12816) that are relatively prime to 12816.
12816 has 20 divisors, whose sum is 27900
The reverse of 12816 is 61821
Previous prime number is 9
Is Prime? no
Number parity even
Number length 5
Sum of Digits 18
Digital Root 9
Name
twelve thousand eight hundred sixteen
Scientific notation
1.2816 × 10^4
Engineering notation
1.2816 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 9 × 89
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1602
Product of the distinct prime numbers
The prime factorization of 12816 is 2 × 2 × 2 × 2 × 9 × 89.
Since it has a total of 6 prime factors.
7 , 4 , 60 , 47 , 731 , 193 , 816 , 1571 , 775 , 61060 , 116681 , 102697 , 8001207 , 3138007 , 23242298 , 58677102 , 545940657 , 759540492 , 8154426148 , 808408449
n×2
25632
n×3
38448
n×4
51264
n×5
64080
n÷2
6408
n÷3
4272
n÷3
3204
n÷5
2563.2
n2
164249856
n3
2105026154496
n4
26978015196020736
n5
3.457502427522E+20
2 √n
113.20777358468
3 √n
23.401884573179
4 √n
10.639914171866
5 √n
6.6305644336961
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 89 , 144 , 178 , 356 , 712 , 801 , 1424 , 1602 , 3204 , 6408 , 12816
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12816 can be divided by 20 positive divisors.
The sum of these divisors (counting 12816) is 1, the average is 0.05.
Base
System
Value
2
Binary
11001000010000
3
Ternary
122120200
4
Quaternary
3020100
5
Quinary
402231
6
Senary
135200
8
Octal
31020
10
Decimal
12816
12
Duodecimal
7500
16
Hexadecimal
3210
20
Vigesimal
1c0g
36
Base36
9w0
md5
8b02706f81704f39d85fd87a2414a300
sha1
98829c48838dd1c907d7b8a9ef60d3bd2b98359e
sha256
57bd33ca3665300a96b7cf56d32c2adec89918428a99c9908b42fdd568f1cb13
sha512
dd390e7f19ddf11485e0fc383a99f0d3220d75f5009c3e4b0eed66df865a07f9f27870165df79324d614acaf3d790c86fa8f088829366041168552316eb4d30b
ripemd-160
f6ae90267b3be9f752a29db3cda6f7c398a7c7b8
Diameter
25632
Circumference
80525.302896814
Area
516006140.96278
Volume
8817512936772
Surface area
2064024563.8511
Circumference
80525.302896814
Perimeter
51264
Area
164249856
Diagonal
18124.561015374
Surface area
985499136
Volume
2105026154496
Space diagonal
22197.963149803
Perimeter
38448
Area
71122273.931968
Altitude
11098.981574901
Surface area
71122273.931968
Volume
248079711403.19
Height
6041.5203384579