16 is an even 2-digits composite number following 15
and preceding 17 . In scientific notation, it is written as 1.6 × 10^1.
The sum of its digits is 7. It has a total of 4 prime factors and 5 positive divisors.
There are 8 positive integers (up to 16) that are relatively prime to 16.
16 has 5 divisors, whose sum is 31
The reverse of 16 is 61
Previous prime number is 2
Is Prime? no
Number parity even
Number length 2
Sum of Digits 7
Digital Root 7
Scientific notation
1.6 × 10^1
Engineering notation
1.6 × 10^0
Prime Factorization
2 × 2 × 2 × 2
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2
Product of the distinct prime numbers
The prime factorization of 16 is 2 × 2 × 2 × 2.
Since it has a total of 4 prime factors.
10 , 3 , 39 , 49 , 354 , 852 , 3642 , 4746 , 84649 , 82985 , 350759 , 823009 , 499271 , 7415674 , 68550117 , 87307833 , 744499768 , 91651968 , 6432326429 , 1610117624
n×2
32
n×3
48
n×4
64
n×5
80
n÷2
8
n÷3
5.3333333333333
n÷3
4
n÷5
3.2
n2
256
n3
4096
n4
65536
n5
1048576
2 √n
4
3 √n
2.5198420997897
4 √n
2
5 √n
1.7411011265922
5 divisors
τ
Total Divisors
5
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.2
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
5
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16 can be divided by 5 positive divisors.
The sum of these divisors (counting 16) is 1, the average is 0.2.
Base
System
Value
2
Binary
10000
3
Ternary
121
4
Quaternary
100
5
Quinary
31
6
Senary
24
8
Octal
20
10
Decimal
16
12
Duodecimal
14
16
Hexadecimal
10
20
Vigesimal
g
36
Base36
g
md5
c74d97b01eae257e44aa9d5bade97baf
sha1
1574bddb75c78a6fd2251d61e2993b5146201319
sha256
b17ef6d19c7a5b1ee83b907c595526dcb1eb06db8227d650d5dda0a9f4ce8cd9
sha512
7c73947fa1821233428dd9684e52ce908130a91b903d5179f731c9ded61f06cecca427a7a1a5aabefaa35be5a6dd84efc03f2cb779f339b0766481eabb241e0c
ripemd-160
8d8099c38186b14e734135c6a3510deb31e5bc16
Diameter
32
Circumference
100.53096491487
Area
804.24771931899
Volume
17157.284678805
Surface area
3216.9908772759
Circumference
100.53096491487
Perimeter
64
Area
256
Diagonal
22.62741699797
Surface area
1536
Volume
4096
Space diagonal
27.712812921102
Perimeter
48
Area
110.85125168441
Altitude
13.856406460551
Surface area
110.85125168441
Volume
482.71822929002
Height
7.5424723326565