19890448 is an even 8-digits composite number following 19890447
and preceding 19890449 . In scientific notation, it is written as 1.9890448 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors.
There are 9893664 positive integers (up to 19890448) that are relatively prime to 19890448.
19890448 has 20 divisors, whose sum is 38737600
The reverse of 19890448 is 84409891
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million eight hundred ninety thousand four hundred forty-eight
Scientific notation
1.9890448 × 10^7
Engineering notation
1.9890448 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 199 × 6247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2486306
Product of the distinct prime numbers
The prime factorization of 19890448 is 2 × 2 × 2 × 2 × 199 × 6247.
Since it has a total of 6 prime factors.
7 , 2 , 64 , 90 , 771 , 895 , 42 , 3331 , 61675 , 78351 , 751691 , 874467 , 6663542 , 3288872 , 99625774 , 55861989 , 597841991 , 723587906 , 814581971 , 1279385906
n×2
39780896
n×3
59671344
n×4
79561792
n×5
99452240
n÷2
9945224
n÷3
6630149.3333333
n÷3
4972612
n÷5
3978089.6
n2
395629921640704
n3
7.8692563836385E+21
n4
1.5652303489743E+29
n5
3.1133132864295E+36
2 √n
4459.870850148
3 √n
270.94523750146
4 √n
66.782264488021
5 √n
28.822318498562
1 , 2 , 4 , 8 , 16 , 199 , 398 , 796 , 1592 , 3184 , 6247 , 12494 , 24988 , 49976 , 99952 , 1243153 , 2486306 , 4972612 , 9945224 , 19890448
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19890447
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19890448 can be divided by 20 positive divisors.
The sum of these divisors (counting 19890448) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001011111000000100010000
3
Ternary
1101102112120021
4
Quaternary
1023320010100
5
Quinary
20042443243
6
Senary
1550153224
8
Octal
113700420
10
Decimal
19890448
12
Duodecimal
67b2814
16
Hexadecimal
12f8110
20
Vigesimal
646628
36
Base36
bubkg
md5
21e32d70d71c2551de906e3584aef919
sha1
5a429689c0a5ff61a189e0566cb6276684efe26d
sha256
8ed7de4296e74f2047b75fa61d06a328dfc20ef8c3993020cca1cf55e8d7d562
sha512
7b6619a338e80663ecdbfe9c7a755078e88ccecca8754e6f7d1da1a38ef34f44753a4d89b1ad44c2189fa85a50c5f1a757271e0a11045877dafacd652702b746
ripemd-160
d624881e29eda863e7ce96b74ddae4fbac2df913
Diameter
39780896
Circumference
124975370.62682
Area
1.2429080553667E+15
Volume
3.2962664058738E+22
Surface area
4.971632221467E+15
Circumference
124975370.62682
Perimeter
79561792
Area
395629921640704
Diagonal
28129341.323277
Surface area
2373779529844224
Volume
7.8692563836385E+21
Space diagonal
34451266.521307
Perimeter
59671344
Area
1.7131278131905E+14
Altitude
17225633.260653
Surface area
1.7131278131905E+14
Volume
9.2740075862772E+20
Height
9376447.1077589