995 is an odd 3-digits composite number following 994
and preceding 996 . In scientific notation, it is written as 9.95 × 10^2.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 792 positive integers (up to 995) that are relatively prime to 995.
995 has 4 divisors, whose sum is 1200
The reverse of 995 is 599
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 3
Sum of Digits 23
Digital Root 5
Name
nine hundred ninety-five
Scientific notation
9.95 × 10^2
Engineering notation
9.95 × 10^0
Prime Factorization
5 × 199
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
995
Product of the distinct prime numbers
The prime factorization of 995 is 5 × 199.
Since it has a total of 2 prime factors.
6 , 7 , 96 , 14 , 142 , 343 , 5687 , 1628 , 35408 , 53012 , 51603 , 985309 , 7861456 , 5426529 , 21175405 , 65718135 , 929303616 , 659439214 , 5203963560 , 1760647559
n×2
1990
n×3
2985
n×4
3980
n×5
4975
n÷2
497.5
n÷3
331.66666666667
n÷3
248.75
n÷5
199
n2
990025
n3
985074875
n4
980149500625
n5
975248753121875
2 √n
31.543620591175
3 √n
9.9833054781369
4 √n
5.6163707668899
5 √n
3.9770826477157
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-994
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 995 can be divided by 4 positive divisors.
The sum of these divisors (counting 995) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100011
3
Ternary
1100212
4
Quaternary
33203
5
Quinary
12440
6
Senary
4335
8
Octal
1743
10
Decimal
995
12
Duodecimal
6ab
16
Hexadecimal
3e3
20
Vigesimal
29f
36
Base36
rn
md5
2bcab9d935d219641434683dd9d18a03
sha1
42405d7bf8a6c5d1cbf57dd8a4411bdf0b188b58
sha256
abbb9233cee3e720b2a86acf4ad04e51a670a7e762f301f0fc5b64b8794c30cd
sha512
f1890dcd7f9f0346b1cc709226e420bcccfa259ec979152d2fec5f96440763f6f72c77e49e52e1e671e6a1f36dc00d7b97ddfbcebf510c5c5a489b44e45ad545
ripemd-160
c8c82e701445b310cd31fa6e71533099070af6ef
Diameter
1990
Circumference
6251.7693806437
Area
3110255.2668702
Volume
4126271987.3812
Surface area
12441021.067481
Circumference
6251.7693806437
Perimeter
3980
Area
990025
Diagonal
1407.1424945612
Surface area
5940150
Volume
985074875
Space diagonal
1723.390553531
Perimeter
2985
Area
428693.40019084
Altitude
861.69527676552
Surface area
428693.40019084
Volume
116092187.34817
Height
469.04749818708