1 is an odd 1-digits composite number following 0
and preceding 2 . In scientific notation, it is written as 1.
The sum of its digits is 1. It has a total of 0 prime factors and 1 positive divisors.
There are 1 positive integers (up to 1) that are relatively prime to 1.
1 has 1 divisors, whose sum is 1
The reverse of 1 is 1
Previous prime number is 1
Is Prime? no
Number parity odd
Number length 1
Sum of Digits 1
Digital Root 1
Scientific notation
1
Engineering notation
1
Prime Factorization
Composite number
ω
Distinct Factors
0
Total number of distinct prime factors
Ω
Total Factors
0
Total number of prime factors
rad
Radical
1
Product of the distinct prime numbers
The prime factorization of 1 is .
Since it has a total of 0 prime factors.
8 , 10 , 56 , 26 , 839 , 781 , 8045 , 3820 , 17420 , 61239 , 31493 , 590006 , 9740157 , 9895281 , 73788505 , 72480368 , 662457300 , 137404111 , 2736129533 , 7252042055
n÷2
0.5
n÷3
0.33333333333333
n÷3
0.25
n÷5
0.2
1 divisors
τ
Total Divisors
1
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
0
Sum of the proper positive divisors of n
A
Arithmetic Mean
1
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
1
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1 can be divided by 1 positive divisors.
The sum of these divisors (counting 1) is 1, the average is 1.
Base
System
Value
2
Binary
1
3
Ternary
1
4
Quaternary
1
5
Quinary
1
6
Senary
1
8
Octal
1
10
Decimal
1
12
Duodecimal
1
16
Hexadecimal
1
20
Vigesimal
1
36
Base36
1
md5
c4ca4238a0b923820dcc509a6f75849b
sha1
356a192b7913b04c54574d18c28d46e6395428ab
sha256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
sha512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
ripemd-160
c47907abd2a80492ca9388b05c0e382518ff3960
Diameter
2
Circumference
6.2831853071796
Area
3.1415926535898
Volume
4.1887902047864
Surface area
12.566370614359
Circumference
6.2831853071796
Perimeter
4
Area
1
Diagonal
1.4142135623731
Surface area
6
Volume
1
Space diagonal
1.7320508075689
Perimeter
3
Area
0.43301270189222
Altitude
0.86602540378444
Surface area
0.43301270189222
Volume
0.11785113019776
Height
0.47140452079103