19998454 is an even 8-digits composite number following 19998453
and preceding 19998455 . In scientific notation, it is written as 1.9998454 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 8128032 positive integers (up to 19998454) that are relatively prime to 19998454.
19998454 has 16 divisors, whose sum is 34485408
The reverse of 19998454 is 45489991
Previous prime number is 8257
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred ninety-eight thousand four hundred fifty-four
Scientific notation
1.9998454 × 10^7
Engineering notation
1.9998454 × 10^6
Prime Factorization
2 × 7 × 8257 × 173
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19998454
Product of the distinct prime numbers
The prime factorization of 19998454 is 2 × 7 × 8257 × 173.
Since it has a total of 4 prime factors.
6 , 4 , 71 , 10 , 126 , 19 , 5642 , 1073 , 13250 , 97125 , 758226 , 586223 , 1605151 , 3241359 , 18382785 , 7765654 , 232303567 , 15290620 , 4469611793 , 1114377505
n×2
39996908
n×3
59995362
n×4
79993816
n×5
99992270
n÷2
9999227
n÷3
6666151.3333333
n÷3
4999613.5
n÷5
3999690.8
n2
399938162390116
n3
7.9981449434033E+21
n4
1.5995053373598E+29
n5
3.1987633911945E+36
2 √n
4471.9631036045
3 √n
271.43476732987
4 √n
66.872738119539
5 √n
28.85355202154
1 , 2 , 7 , 14 , 173 , 346 , 1211 , 2422 , 8257 , 16514 , 57799 , 115598 , 1428461 , 2856922 , 9999227 , 19998454
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
-19998453
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 19998454 can be divided by 16 positive divisors.
The sum of these divisors (counting 19998454) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010011011110110
3
Ternary
1101122000201111
4
Quaternary
1030102123312
5
Quinary
20104422304
6
Senary
1552345234
8
Octal
114223366
10
Decimal
19998454
12
Duodecimal
684521a
16
Hexadecimal
13126f6
20
Vigesimal
64jg2e
36
Base36
bwmwm
md5
0cbd8a20db0b5e8d2f81883e80558582
sha1
8d83f219cf7f93c14c4c45473c0b7b85732c67d1
sha256
0355bb4b7dd872b79972d24f1ed101b162e1f15f5d7facf99b30eab8b8462b53
sha512
450c1fb4b8858d3d26c61f5bd7ecce2642cb467732674b5b4b58237ecf23f8a4fc6e4920b3b36a7c066ef491736428594632889cc37c171b3d27a183f0c84272
ripemd-160
1ca0aa8fdf835ed29113a6ce79d8bfd46ccb2c75
Diameter
39996908
Circumference
125653992.33911
Area
1.256442792855E+15
Volume
3.3502551195389E+22
Surface area
5.02577117142E+15
Circumference
125653992.33911
Perimeter
79993816
Area
399938162390116
Diagonal
28282084.873294
Surface area
2399628974340696
Volume
7.9981449434033E+21
Space diagonal
34638338.400829
Perimeter
59995362
Area
1.7317830428635E+14
Altitude
17319169.200415
Surface area
1.7317830428635E+14
Volume
9.4259042106556E+20
Height
9427361.6244315