19449 is an odd 5-digits composite number following 19448
and preceding 19450 . In scientific notation, it is written as 1.9449 × 10^4.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 12960 positive integers (up to 19449) that are relatively prime to 19449.
19449 has 4 divisors, whose sum is 21620
The reverse of 19449 is 94491
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 27
Digital Root 9
Name
nineteen thousand four hundred forty-nine
Scientific notation
1.9449 × 10^4
Engineering notation
1.9449 × 10^3
Prime Factorization
9 × 2161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19449
Product of the distinct prime numbers
The prime factorization of 19449 is 9 × 2161.
Since it has a total of 2 prime factors.
9 , 3 , 31 , 87 , 812 , 92 , 4741 , 307 , 94544 , 22883 , 339360 , 932170 , 4902244 , 2064297 , 41028519 , 61082519 , 961028032 , 611036298 , 7576468773 , 9132785161
n×2
38898
n×3
58347
n×4
77796
n×5
97245
n÷2
9724.5
n÷3
6483
n÷3
4862.25
n÷5
3889.8
n2
378263601
n3
7356848775849
n4
143083351841487201
n5
2.7828281099651E+21
2 √n
139.45967159003
3 √n
26.892577288
4 √n
11.809304449883
5 √n
7.2074137717026
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
-19448
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 19449 can be divided by 4 positive divisors.
The sum of these divisors (counting 19449) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101111111001
3
Ternary
222200100
4
Quaternary
10233321
5
Quinary
1110244
6
Senary
230013
8
Octal
45771
10
Decimal
19449
12
Duodecimal
b309
16
Hexadecimal
4bf9
20
Vigesimal
28c9
36
Base36
f09
md5
ada822e604972569cda7a8cddc045c0d
sha1
b9f063b78c9bcaa0abb442cab699e6fa1373b842
sha256
6af8182d651eb6b58d5391f6c99429b1aed4f84ed979360a051250591aedef41
sha512
0f18d38f7bf8208178e38297ff523ecdeb7485730c3455ee712ac68ffc5569d9ef61fe1ea0d1bea059b39e623960224ec576ffb588d77fba45450ee1793a8119
ripemd-160
42ce7c09f73c027e6e0ffae009d36a52ab3d2aa7
Diameter
38898
Circumference
122201.67103934
Area
1188350150.022
Volume
30816296090371
Surface area
4753400600.0881
Circumference
122201.67103934
Perimeter
77796
Area
378263601
Diagonal
27505.039574594
Surface area
2269581606
Volume
7356848775849
Space diagonal
33686.656156407
Perimeter
58347
Area
163792943.89649
Altitude
16843.328078204
Surface area
163792943.89649
Volume
867012942927.8
Height
9168.3465248648