20152731 is an odd 8-digits composite number following 20152730
and preceding 20152732 . In scientific notation, it is written as 2.0152731 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13435152 positive integers (up to 20152731) that are relatively prime to 20152731.
20152731 has 4 divisors, whose sum is 26870312
The reverse of 20152731 is 13725102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred fifty-two thousand seven hundred thirty-one
Scientific notation
2.0152731 × 10^7
Engineering notation
2.0152731 × 10^6
Prime Factorization
3 × 6717577
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20152731
Product of the distinct prime numbers
The prime factorization of 20152731 is 3 × 6717577.
Since it has a total of 2 prime factors.
4 , 6 , 76 , 82 , 63 , 662 , 4653 , 2980 , 4400 , 49099 , 653725 , 486448 , 9720642 , 7948456 , 15328307 , 37047762 , 164945663 , 108388400 , 3553058900 , 5721233102
n×2
40305462
n×3
60458193
n×4
80610924
n×5
100763655
n÷2
10076365.5
n÷3
6717577
n÷3
5038182.75
n÷5
4030546.2
n2
406132566758361
n3
8.1846803682208E+21
n4
1.6494366178173E+29
n5
3.3240652460423E+36
2 √n
4489.1793236626
3 √n
272.13096976302
4 √n
67.001338222924
5 √n
28.897933117476
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
-20152730
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 20152731 can be divided by 4 positive divisors.
The sum of these divisors (counting 20152731) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111000000110011011
3
Ternary
1101220212100110
4
Quaternary
1030320012123
5
Quinary
20124341411
6
Senary
1555535403
8
Octal
114700633
10
Decimal
20152731
12
Duodecimal
68ba563
16
Hexadecimal
133819b
20
Vigesimal
65j1gb
36
Base36
bzxy3
md5
91441792641feb5370488e50a95476d6
sha1
47475d606e084b16ce8788ec826d999fdf975d38
sha256
a3589ddf9defe07092c7cb9e13727ab3c14f808535bab24ae09baf5e4354469b
sha512
15e33ce286f63019453ed33ead27e6feb897731935ee6475294157886c9a60f3ce06f6d215e2c7f7a6ffb6a04d49284bb827625f9b48aaccf18d361f6c9b59dc
ripemd-160
2af68ec22bef6e2af6e11f6282169788a1b0a8c6
Diameter
40305462
Circumference
126623343.31874
Area
1.2759030881116E+15
Volume
3.4283908955711E+22
Surface area
5.1036123524465E+15
Circumference
126623343.31874
Perimeter
80610924
Area
406132566758361
Diagonal
28500265.499057
Surface area
2436795400550166
Volume
8.1846803682208E+21
Space diagonal
34905554.003268
Perimeter
60458193
Area
1.7586056005846E+14
Altitude
17452777.001634
Surface area
1.7586056005846E+14
Volume
9.6457383170222E+20
Height
9500088.4996856