19998489 is an odd 8-digits composite number following 19998488
and preceding 19998490 . In scientific notation, it is written as 1.9998489 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 11383680 positive integers (up to 19998489) that are relatively prime to 19998489.
19998489 has 16 divisors, whose sum is 30591360
The reverse of 19998489 is 98489991
Previous prime number is 3389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
nineteen million nine hundred ninety-eight thousand four hundred eighty-nine
Scientific notation
1.9998489 × 10^7
Engineering notation
1.9998489 × 10^6
Prime Factorization
3 × 7 × 3389 × 281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19998489
Product of the distinct prime numbers
The prime factorization of 19998489 is 3 × 7 × 3389 × 281.
Since it has a total of 4 prime factors.
9 , 7 , 76 , 90 , 969 , 908 , 108 , 7701 , 95549 , 89278 , 760307 , 823345 , 3762607 , 2983720 , 91534756 , 57862603 , 197586144 , 165504867 , 9867797570 , 8243948144
n×2
39996978
n×3
59995467
n×4
79993956
n×5
99992445
n÷2
9999244.5
n÷3
6666163
n÷3
4999622.25
n÷5
3999697.8
n2
399939562283121
n3
7.9981869369838E+21
n4
1.5995165347921E+29
n5
3.1987913826359E+36
2 √n
4471.967016873
3 √n
271.43492567897
4 √n
66.872767378605
5 √n
28.853562121057
1 , 3 , 7 , 21 , 281 , 843 , 1967 , 3389 , 5901 , 10167 , 23723 , 71169 , 952309 , 2856927 , 6666163 , 19998489
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
-19998488
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 19998489 can be divided by 16 positive divisors.
The sum of these divisors (counting 19998489) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010011100011001
3
Ternary
1101122000202210
4
Quaternary
1030102130121
5
Quinary
20104422424
6
Senary
1552345333
8
Octal
114223431
10
Decimal
19998489
12
Duodecimal
6845249
16
Hexadecimal
1312719
20
Vigesimal
64jg49
36
Base36
bwmxl
md5
5b554d63b274dc14fbab1c45889927d3
sha1
a29a5bd0d63f0525875b384fd6fbfe9fc0547eab
sha256
79f88f6cb024c1874a4e7288ec4e04b9e4ab48cebf848505543ea71c10f2a799
sha512
e0d53ecea59bc5cfbeecf82d9d671a030129d34ff4e8567f63d96435c1c983484b5b1b6a5fff20da0585bcda41e65fef97b3bb36dc23ef774b87cc061f8c1f84
ripemd-160
949abe516ff5cb260c719ccfb03fb60bdad0dcc1
Diameter
39996978
Circumference
125654212.25059
Area
1.2564471907486E+15
Volume
3.3502727097688E+22
Surface area
5.0257887629943E+15
Circumference
125654212.25059
Perimeter
79993956
Area
399939562283121
Diagonal
28282134.370769
Surface area
2399637373698726
Volume
7.9981869369838E+21
Space diagonal
34638399.022607
Perimeter
59995467
Area
1.7317891045781E+14
Altitude
17319199.511304
Surface area
1.7317891045781E+14
Volume
9.4259537005649E+20
Height
9427378.1235897