28163931 is an odd 8-digits composite number following 28163930
and preceding 28163932 . In scientific notation, it is written as 2.8163931 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 18775952 positive integers (up to 28163931) that are relatively prime to 28163931.
28163931 has 4 divisors, whose sum is 37551912
The reverse of 28163931 is 13936182
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million one hundred sixty-three thousand nine hundred thirty-one
Scientific notation
2.8163931 × 10^7
Engineering notation
2.8163931 × 10^6
Prime Factorization
3 × 9387977
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28163931
Product of the distinct prime numbers
The prime factorization of 28163931 is 3 × 9387977.
Since it has a total of 2 prime factors.
6 , 3 , 10 , 64 , 106 , 923 , 2700 , 8486 , 48384 , 16580 , 322388 , 686776 , 6504832 , 621268 , 94957105 , 52800199 , 713922494 , 977413408 , 8412933354 , 5390292057
n×2
56327862
n×3
84491793
n×4
112655724
n×5
140819655
n÷2
14081965.5
n÷3
9387977
n÷3
7040982.75
n÷5
5632786.2
n2
793207009372761
n3
2.2339827480691E+22
n4
6.2917735971808E+29
n5
1.7720107745862E+37
2 √n
5306.9700394858
3 √n
304.25035283682
4 √n
72.84895359225
5 √n
30.898589479106
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
-28163930
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 28163931 can be divided by 4 positive divisors.
The sum of these divisors (counting 28163931) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011011111101011011
3
Ternary
1221222212122120
4
Quaternary
1223123331123
5
Quinary
24202221211
6
Senary
2443352323
8
Octal
153337533
10
Decimal
28163931
12
Duodecimal
95226a3
16
Hexadecimal
1adbf5b
20
Vigesimal
8g09gb
36
Base36
grnff
md5
82b067134c8f89a0acfd98775f24c585
sha1
ea4d73a23a2d57ea6e0379a6b90cc9bfc2976afb
sha256
b22069810b60279ca63407958d9cc6df58f5b7cc7ded26e1bcd7dadac9b86292
sha512
a70329164c995e30afbfac44db713df7422a988ff0c4bc43e65751e4d6d601b631cb1e52a88b3b6e2dd8ee925cf8a9a178947e158609cce6fe394f14dc592984
ripemd-160
019947a33822af163d04ce080096094546b38890
Diameter
56327862
Circumference
176959197.45162
Area
2.4919333134214E+15
Volume
9.3576850527735E+22
Surface area
9.9677332536856E+15
Circumference
176959197.45162
Perimeter
112655724
Area
793207009372761
Diagonal
39829813.18994
Surface area
4759242056236566
Volume
2.2339827480691E+22
Space diagonal
48781359.432864
Perimeter
84491793
Area
3.4346871028835E+14
Altitude
24390679.716432
Surface area
3.4346871028835E+14
Volume
2.6327739170223E+21
Height
13276604.396647