28931189 is an odd 8-digits composite number following 28931188
and preceding 28931190 . In scientific notation, it is written as 2.8931189 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 24692976 positive integers (up to 28931189) that are relatively prime to 28931189.
28931189 has 8 divisors, whose sum is 33204480
The reverse of 28931189 is 98113982
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million nine hundred thirty-one thousand one hundred eighty-nine
Scientific notation
2.8931189 × 10^7
Engineering notation
2.8931189 × 10^6
Prime Factorization
7 × 239 × 17293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28931189
Product of the distinct prime numbers
The prime factorization of 28931189 is 7 × 239 × 17293.
Since it has a total of 3 prime factors.
10 , 5 , 14 , 72 , 360 , 95 , 5224 , 9623 , 71596 , 42034 , 777043 , 292956 , 2787568 , 7240399 , 27154430 , 84762792 , 630812365 , 950707563 , 9775974308 , 5829250967
n×2
57862378
n×3
86793567
n×4
115724756
n×5
144655945
n÷2
14465594.5
n÷3
9643729.6666667
n÷3
7232797.25
n÷5
5786237.8
n2
837013696953721
n3
2.4215801462157E+22
n4
7.0059192888814E+29
n5
2.0268957506537E+37
2 √n
5378.7720717651
3 √n
306.9884910468
4 √n
73.340112297194
5 √n
31.065135802401
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931188
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931189 can be divided by 8 positive divisors.
The sum of these divisors (counting 28931189) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110010111010001110101
3
Ternary
2000102212010112
4
Quaternary
1232113101311
5
Quinary
24401244224
6
Senary
2512032405
8
Octal
156272165
10
Decimal
28931189
12
Duodecimal
9832705
16
Hexadecimal
1b97475
20
Vigesimal
90g7j9
36
Base36
h83g5
md5
8c2818dcfc41c50ac3aa68bdc88c4519
sha1
ad9e0f3f6709eb13e09874d24aaa320fee5fd817
sha256
16219c01ad091299b717668605ad3830e62cf56c548c1ed137e9b4563e66bc84
sha512
aa33254a794bc16cd66cc2b79899cc0ee67098296456b883d83031be9d8477f592679b4495c7602dd17db527848cafd4bb48272423ce5e7436eddd838b1d75a5
ripemd-160
64c6d3696d93ea519c5dd84f0de70b20ac6de16a
Diameter
57862378
Circumference
181780021.64404
Area
2.6295560813038E+15
Volume
1.0143491196573E+23
Surface area
1.0518224325215E+16
Circumference
181780021.64404
Perimeter
115724756
Area
837013696953721
Diagonal
40914879.859379
Surface area
5022082181722326
Volume
2.4215801462157E+22
Space diagonal
50110289.271378
Perimeter
86793567
Area
3.6243756243873E+14
Altitude
25055144.635689
Surface area
3.6243756243873E+14
Volume
2.8538595709597E+21
Height
13638293.28646