20158728 is an even 8-digits composite number following 20158727
and preceding 20158729 . In scientific notation, it is written as 2.0158728 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 6669440 positive integers (up to 20158728) that are relatively prime to 20158728.
20158728 has 32 divisors, whose sum is 50772960
The reverse of 20158728 is 82785102
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred fifty-eight thousand seven hundred twenty-eight
Scientific notation
2.0158728 × 10^7
Engineering notation
2.0158728 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 137 × 6131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5039682
Product of the distinct prime numbers
The prime factorization of 20158728 is 2 × 2 × 2 × 3 × 137 × 6131.
Since it has a total of 6 prime factors.
5 , 6 , 41 , 63 , 756 , 240 , 4424 , 2296 , 42690 , 92282 , 710874 , 949171 , 4784705 , 5278681 , 94100103 , 18832874 , 80615488 , 103815473 , 433634174 , 5261607241
n×2
40317456
n×3
60476184
n×4
80634912
n×5
100793640
n÷2
10079364
n÷3
6719576
n÷3
5039682
n÷5
4031745.6
n2
406374314577984
n3
8.191989273764E+21
n4
1.6514008354873E+29
n5
3.329014026156E+36
2 √n
4489.8472134361
3 √n
272.15796044025
4 √n
67.006322190045
5 √n
28.89965278793
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 137 , 274 , 411 , 548 , 822 , 1096 , 1644 , 3288 , 6131 , 12262 , 18393 , 24524 , 36786 , 49048 , 73572 , 147144 , 839947 , 1679894 , 2519841 , 3359788 , 5039682 , 6719576 , 10079364 , 20158728
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20158727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20158728 can be divided by 32 positive divisors.
The sum of these divisors (counting 20158728) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111001100100001000
3
Ternary
1101221011120120
4
Quaternary
1030321210020
5
Quinary
20130034403
6
Senary
2000023240
8
Octal
114714410
10
Decimal
20158728
12
Duodecimal
6901b20
16
Hexadecimal
1339908
20
Vigesimal
65jgg8
36
Base36
c02ko
md5
5a11423fec8b1a1ec8bd62b9d24b847e
sha1
951cf6b55b65ff200af9be9c016d7b2b0a2c34a4
sha256
2245ca28d584dd46d374e24d35aeb0e05163daa116a9474f5be857a776acc002
sha512
88b52ca0dd39d30103ad619dfa12fee41524e860394a438abbd5ae7b39b45ecd8a1614ec65e9a75f0f37307d2cb3992ca88c9ec8d756d307c0349d5362fd4574
ripemd-160
7a14925d66713b1c2266d393a72c9cdec02bc084
Diameter
40317456
Circumference
126661023.58103
Area
1.2766625612858E+15
Volume
3.4314524427658E+22
Surface area
5.1066502451431E+15
Circumference
126661023.58103
Perimeter
80634912
Area
406374314577984
Diagonal
28508746.53779
Surface area
2438245887467904
Volume
8.191989273764E+21
Space diagonal
34915941.111961
Perimeter
60476184
Area
1.7596523993501E+14
Altitude
17457970.555981
Surface area
1.7596523993501E+14
Volume
9.65435194481E+20
Height
9502915.5125968