28931423 is an odd 8-digits prime number following 28931422
and preceding 28931424 . In scientific notation, it is written as 2.8931423 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 28931422 positive integers (up to 28931423) that are relatively prime to 28931423.
28931423 has 2 divisors, whose sum is 28931424
The reverse of 28931423 is 32413982
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 32 Digital Root 5
Name
twenty-eight million nine hundred thirty-one thousand four hundred twenty-three
Scientific notation
2.8931423 × 10^7
Engineering notation
2.8931423 × 10^6
Prime Factorization
28931423
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28931423 Product of the distinct prime numbers
The prime factorization of 28931423 is 28931423.
Since it has a total of 1 prime factors.
10 , 5 , 33 , 100 , 366 , 941 , 3342 , 2954 , 40775 , 53683 , 810548 , 480243 , 7064761 , 322578 , 95462966 , 48053455 , 247889814 , 738257912 , 8175570594 , 303139001
n×2
57862846
n×3
86794269
n×4
115725692
n×5
144657115
n÷2
14465711.5
n÷3
9643807.6666667
n÷3
7232855.75
n÷5
5786284.6
n2
837027236804929
n3
2.4216389050525E+22
n4
7.0061459515329E+29
n5
2.0269777212354E+37
2 √n5378.7938238977
3 √n306.98931870161
4 √n73.340260593331
5 √n31.065186054178
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28931424 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14465712 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5378.7939168553 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999930871 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931423 can be divided by 2 positive divisors.
The sum of these divisors (counting 28931423) is 28931424, the average is 14465712.
Base
System
Value
2
Binary
1101110010111010101011111
3
Ternary
2000102212110012
4
Quaternary
1232113111133
5
Quinary
24401301143
6
Senary
2512033435
8
Octal
156272537
10
Decimal
28931423
12
Duodecimal
983287b
16
Hexadecimal
1b9755f
20
Vigesimal
90g8b3
36
Base36
h83mn
md5
49363e73cfc3ed157e9eb27264b2e636
sha1
f0070f1dfab8a24b113059c1bbdce8bc26ce5e4a
sha256
c22951902671b9008143f64a80223372e0e54fb81133daa30179f560c2ea8868
sha512
94290931a8192b26ff9ac2a69602143217ce0e14a4be315c9b0f34f108f2a5b00f3d9540cb9f2121a83f65a2c63a456755a58ba03fd72be305b6aae9f104284a
ripemd-160
60a0a46041965de802069102dea346bc7cefc0a3
Diameter
57862846
Circumference
181781491.9094
Area
2.6295986180009E+15
Volume
1.0143737325013E+23
Surface area
1.0518394472004E+16
Circumference
181781491.9094
Perimeter
115725692
Area
837027236804929
Diagonal
40915210.785353
Surface area
5022163420829574
Volume
2.4216389050525E+22
Space diagonal
50110694.571267
Perimeter
86794269
Area
3.6244342536628E+14
Altitude
25055347.285633
Surface area
3.6244342536628E+14
Volume
2.8539288189129E+21
Height
13638403.595118