19956 is an even 5-digits composite number following 19955
and preceding 19957 . In scientific notation, it is written as 1.9956 × 10^4.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 6648 positive integers (up to 19956) that are relatively prime to 19956.
19956 has 12 divisors, whose sum is 46592
The reverse of 19956 is 65991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 5
Sum of Digits 30
Digital Root 3
Name
nineteen thousand nine hundred fifty-six
Scientific notation
1.9956 × 10^4
Engineering notation
1.9956 × 10^3
Prime Factorization
2 × 2 × 3 × 1663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9978
Product of the distinct prime numbers
The prime factorization of 19956 is 2 × 2 × 3 × 1663.
Since it has a total of 4 prime factors.
8 , 10 , 41 , 7 , 353 , 136 , 5956 , 3840 , 3192 , 20359 , 472675 , 79253 , 1566160 , 7768716 , 89765796 , 47115526 , 906974102 , 144588142 , 6644297587 , 5754105176
n×2
39912
n×3
59868
n×4
79824
n×5
99780
n÷2
9978
n÷3
6652
n÷3
4989
n÷5
3991.2
n2
398241936
n3
7947316074816
n4
158596639589028096
n5
3.1649545396386E+21
2 √n
141.26570709128
3 √n
27.124255821358
4 √n
11.885525107932
5 √n
7.2446047961998
1 , 2 , 3 , 4 , 6 , 12 , 1663 , 3326 , 4989 , 6652 , 9978 , 19956
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19955
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19956 can be divided by 12 positive divisors.
The sum of these divisors (counting 19956) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111110100
3
Ternary
1000101010
4
Quaternary
10313310
5
Quinary
1114311
6
Senary
232220
8
Octal
46764
10
Decimal
19956
12
Duodecimal
b670
16
Hexadecimal
4df4
20
Vigesimal
29hg
36
Base36
fec
md5
3553e3cac8b3c8c26df3ac4a297a215c
sha1
1fb524671c6e9260eaa74b713b562cef36dd4fc1
sha256
319980ebeaf4fa7dac76855217dbc1098e158042ec32599e20b417ac50ac8def
sha512
8cf2918632d500cc3e595d55f374bec91c8fa821439eb0c345e3c52e3655aebc078bb617158945908c5371444ea570712e75fb059df28806b347b8b0018e2430
ripemd-160
9c9c3e5b95ca8362388431802a06cffc061ad949
Diameter
39912
Circumference
125387.24599008
Area
1251113940.489
Volume
33289639728531
Surface area
5004455761.9559
Circumference
125387.24599008
Perimeter
79824
Area
398241936
Diagonal
28222.045850717
Surface area
2389451616
Volume
7947316074816
Space diagonal
34564.805915845
Perimeter
59868
Area
172443816.71415
Altitude
17282.402957922
Surface area
172443816.71415
Volume
936600181455.88
Height
9407.3486169058