19995 is an odd 5-digits composite number following 19994
and preceding 19996 . In scientific notation, it is written as 1.9995 × 10^4.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 10080 positive integers (up to 19995) that are relatively prime to 19995.
19995 has 16 divisors, whose sum is 33792
The reverse of 19995 is 59991
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 33
Digital Root 6
Name
nineteen thousand nine hundred ninety-five
Scientific notation
1.9995 × 10^4
Engineering notation
1.9995 × 10^3
Prime Factorization
3 × 5 × 43 × 31
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19995
Product of the distinct prime numbers
The prime factorization of 19995 is 3 × 5 × 43 × 31.
Since it has a total of 4 prime factors.
2 , 4 , 96 , 63 , 699 , 407 , 3823 , 9619 , 74371 , 87034 , 403835 , 196861 , 1789105 , 234659 , 61534647 , 28063772 , 21288559 , 751868868 , 2110109148 , 1260378013
n×2
39990
n×3
59985
n×4
79980
n×5
99975
n÷2
9997.5
n÷3
6665
n÷3
4998.75
n÷5
3999
n2
399800025
n3
7994001499875
n4
159840059990000625
n5
3.1960019995001E+21
2 √n
141.40367746279
3 √n
27.141913962741
4 √n
11.89132782589
5 √n
7.2474342107007
1 , 3 , 5 , 15 , 31 , 43 , 93 , 129 , 155 , 215 , 465 , 645 , 1333 , 3999 , 6665 , 19995
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19994
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19995 can be divided by 16 positive divisors.
The sum of these divisors (counting 19995) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000011011
3
Ternary
1000102120
4
Quaternary
10320123
5
Quinary
1114440
6
Senary
232323
8
Octal
47033
10
Decimal
19995
12
Duodecimal
b6a3
16
Hexadecimal
4e1b
20
Vigesimal
29jf
36
Base36
fff
md5
3769d93a219d1162bd4ae48dd988c01e
sha1
7ffe4c6772092b31f8ec18e1fb90cbfde3d28a6b
sha256
3c4ac314adaa1a547f35a8c73e45edc2f7c6a61c63cbab2e53103dfe60574dd0
sha512
58a7f3b8f32a25555de51e52e1011aae66da74db8791aae8802fc9c72165053367f3c89d46e303ab05ef4411c166aced5d52651c9b1f20ece3b6d4d2a291a293
ripemd-160
5ead9d41d4c3b087dde11683958db4496eb51bfb
Diameter
39990
Circumference
125632.29021706
Area
1256008821.445
Volume
33485195179724
Surface area
5024035285.7801
Circumference
125632.29021706
Perimeter
79980
Area
399800025
Diagonal
28277.20017965
Surface area
2398800150
Volume
7994001499875
Space diagonal
34632.35589734
Perimeter
59985
Area
173118489.04183
Altitude
17316.17794867
Surface area
173118489.04183
Volume
942102111562.84
Height
9425.7333932167