19989581 is an odd 8-digits composite number following 19989580
and preceding 19989582 . In scientific notation, it is written as 1.9989581 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 19964064 positive integers (up to 19989581) that are relatively prime to 19989581.
19989581 has 4 divisors, whose sum is 20015100
The reverse of 19989581 is 18598991
Previous prime number is 809
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred eighty-nine thousand five hundred eighty-one
Scientific notation
1.9989581 × 10^7
Engineering notation
1.9989581 × 10^6
Prime Factorization
809 × 24709
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19989581
Product of the distinct prime numbers
The prime factorization of 19989581 is 809 × 24709.
Since it has a total of 2 prime factors.
9 , 8 , 24 , 43 , 281 , 974 , 4552 , 5561 , 95775 , 27166 , 489259 , 274428 , 8816467 , 9005997 , 95467435 , 31284741 , 178695784 , 384005505 , 4958684087 , 7095079757
n×2
39979162
n×3
59968743
n×4
79958324
n×5
99947905
n÷2
9994790.5
n÷3
6663193.6666667
n÷3
4997395.25
n÷5
3997916.2
n2
399583348555561
n3
7.9875037122026E+21
n4
1.5966685244287E+29
n5
3.1916734799219E+36
2 √n
4470.9709236362
3 √n
271.39461761007
4 √n
66.865319289121
5 √n
28.850991193432
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
-19989580
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 19989581 can be divided by 4 positive divisors.
The sum of these divisors (counting 19989581) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000010001001101
3
Ternary
1101121120112212
4
Quaternary
1030100101031
5
Quinary
20104131311
6
Senary
1552240205
8
Octal
114202115
10
Decimal
19989581
12
Duodecimal
6840065
16
Hexadecimal
131044d
20
Vigesimal
64idj1
36
Base36
bwg25
md5
726e0708eee74157d68f51348926cfde
sha1
6dd196042f4d262ef38a2dcf32c5d96085db34d0
sha256
a326a4307ddcd5c711d804282f656e63257030d72c1d65e1232a025399974696
sha512
9521dc31a55d264a29331672dfbe254c7b89d18658519c8a0e8efb54dc5ca95d365a57f0e7637eb272c9dc41b4cedb3675dd9f0b6eeae4e03b5cd2145f86f944
ripemd-160
d856e361f11a53d936cc14a6890d13538646afa6
Diameter
39979162
Circumference
125598241.63588
Area
1.255328112319E+15
Volume
3.3457977310369E+22
Surface area
5.0213124492758E+15
Circumference
125598241.63588
Perimeter
79958324
Area
399583348555561
Diagonal
28269536.556356
Surface area
2397500091333366
Volume
7.9875037122026E+21
Space diagonal
34622969.914013
Perimeter
59968743
Area
1.7302466538918E+14
Altitude
17311484.957007
Surface area
1.7302466538918E+14
Volume
9.4133633994187E+20
Height
9423178.8521185