19989809 is an odd 8-digits composite number following 19989808
and preceding 19989810 . In scientific notation, it is written as 1.9989809 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 16898976 positive integers (up to 19989809) that are relatively prime to 19989809.
19989809 has 8 divisors, whose sum is 23159040
The reverse of 19989809 is 90898991
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
nineteen million nine hundred eighty-nine thousand eight hundred nine
Scientific notation
1.9989809 × 10^7
Engineering notation
1.9989809 × 10^6
Prime Factorization
7 × 73 × 39119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19989809
Product of the distinct prime numbers
The prime factorization of 19989809 is 7 × 73 × 39119.
Since it has a total of 3 prime factors.
2 , 2 , 34 , 38 , 753 , 591 , 7176 , 1352 , 35200 , 62684 , 149969 , 478185 , 1958836 , 2899169 , 15505496 , 72631411 , 859461592 , 725751756 , 2503912542 , 826129255
n×2
39979618
n×3
59969427
n×4
79959236
n×5
99949045
n÷2
9994904.5
n÷3
6663269.6666667
n÷3
4997452.25
n÷5
3997961.8
n2
399592463856481
n3
7.9877770303305E+21
n4
1.5967413717089E+29
n5
3.191855504286E+36
2 √n
4470.9964213808
3 √n
271.39564944323
4 √n
66.865509953793
5 √n
28.851057007678
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19989808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19989809 can be divided by 8 positive divisors.
The sum of these divisors (counting 19989809) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000010100110001
3
Ternary
1101121120212022
4
Quaternary
1030100110301
5
Quinary
20104133214
6
Senary
1552241225
8
Octal
114202461
10
Decimal
19989809
12
Duodecimal
6840215
16
Hexadecimal
1310531
20
Vigesimal
64iea9
36
Base36
bwg8h
md5
5f15c762d873895566c4ff6db95afafd
sha1
8c3692e33121490b403fbd61a8eeaf12b5a978f3
sha256
0ee25c6315ab01968573679b39a9c8e6acb4b3b5ba14b4dc053b78a7ed954355
sha512
3b4ea5d32513a6b41ce062cf93df6ffca9174ea2f1fdb172b184d31a5437cd702db6bf270afcbd082f03a41b8c38a6594309b07c8c1688cf454a809d0ef75fed
ripemd-160
49346b133bddabbb5e55f6779d0a06b81de479fd
Diameter
39979618
Circumference
125599674.20213
Area
1.2553567488814E+15
Volume
3.3459122182666E+22
Surface area
5.0214269955255E+15
Circumference
125599674.20213
Perimeter
79959236
Area
399592463856481
Diagonal
28269858.997048
Surface area
2397554783138886
Volume
7.9877770303305E+21
Space diagonal
34623364.821598
Perimeter
59969427
Area
1.7302861243026E+14
Altitude
17311682.410799
Surface area
1.7302861243026E+14
Volume
9.4136855079214E+20
Height
9423286.3323493