20391246 is an even 8-digits composite number following 20391245
and preceding 20391247 . In scientific notation, it is written as 2.0391246 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6750576 positive integers (up to 20391246) that are relatively prime to 20391246.
20391246 has 24 divisors, whose sum is 44483400
The reverse of 20391246 is 64219302
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million three hundred ninety-one thousand two hundred forty-six
Scientific notation
2.0391246 × 10^7
Engineering notation
2.0391246 × 10^6
Prime Factorization
2 × 3 × 3 × 149 × 7603
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6797082
Product of the distinct prime numbers
The prime factorization of 20391246 is 2 × 3 × 3 × 149 × 7603.
Since it has a total of 5 prime factors.
7 , 4 , 60 , 23 , 845 , 430 , 2675 , 3349 , 14797 , 70307 , 564634 , 256697 , 1658507 , 7598886 , 32473504 , 23668368 , 328094605 , 312814725 , 6025866384 , 2156649103
n×2
40782492
n×3
61173738
n×4
81564984
n×5
101956230
n÷2
10195623
n÷3
6797082
n÷3
5097811.5
n÷5
4078249.2
n2
415802913432516
n3
8.4787394953191E+21
n4
1.7289206281897E+29
n5
3.525484584389E+36
2 √n
4515.6667281809
3 √n
273.20035206215
4 √n
67.198710762788
5 √n
28.9660151039
1 , 2 , 3 , 6 , 9 , 18 , 149 , 298 , 447 , 894 , 1341 , 2682 , 7603 , 15206 , 22809 , 45618 , 68427 , 136854 , 1132847 , 2265694 , 3398541 , 6797082 , 10195623 , 20391246
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20391245
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20391246 can be divided by 24 positive divisors.
The sum of these divisors (counting 20391246) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110010010101001110
3
Ternary
1102100222112100
4
Quaternary
1031302111032
5
Quinary
20210004441
6
Senary
2005015530
8
Octal
115622516
10
Decimal
20391246
12
Duodecimal
69b45a6
16
Hexadecimal
137254e
20
Vigesimal
678i26
36
Base36
c51zi
md5
d2463ea9664579c482bfa441379427ec
sha1
b427f33bc0c1465c90d731494674898e22ca76b8
sha256
1453151cf7272c16e24190bdc688691cbbcae1bbd9a7611cecfe2b12805ddc44
sha512
ba769c60b31d065003e297d80f449824637194f2deb52858ec9628ac915c36f2429a35d00c875af60ae20630945452de5f451f229d7041bd8b8266ec07a53991
ripemd-160
e5f8c23cd6ae71af8c8609d8bf49551101df9db2
Diameter
40782492
Circumference
128121977.26228
Area
1.3062833781808E+15
Volume
3.5515660946928E+22
Surface area
5.2251335127233E+15
Circumference
128121977.26228
Perimeter
81564984
Area
415802913432516
Diagonal
28837576.646886
Surface area
2494817480595096
Volume
8.4787394953191E+21
Space diagonal
35318674.101636
Perimeter
61173738
Area
1.8004794300007E+14
Altitude
17659337.050818
Surface area
1.8004794300007E+14
Volume
9.9922903217573E+20
Height
9612525.548962