28291145 is an odd 8-digits composite number following 28291144
and preceding 28291146 . In scientific notation, it is written as 2.8291145 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 21301504 positive integers (up to 28291145) that are relatively prime to 28291145.
28291145 has 8 divisors, whose sum is 35946504
The reverse of 28291145 is 54119282
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million two hundred ninety-one thousand one hundred forty-five
Scientific notation
2.8291145 × 10^7
Engineering notation
2.8291145 × 10^6
Prime Factorization
5 × 17 × 332837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28291145
Product of the distinct prime numbers
The prime factorization of 28291145 is 5 × 17 × 332837.
Since it has a total of 3 prime factors.
7 , 9 , 23 , 27 , 869 , 260 , 3116 , 9789 , 34074 , 31731 , 289544 , 615306 , 6082839 , 4589855 , 67944695 , 50834335 , 422482152 , 71587600 , 5551895523 , 1059383911
n×2
56582290
n×3
84873435
n×4
113164580
n×5
141455725
n÷2
14145572.5
n÷3
9430381.6666667
n÷3
7072786.25
n÷5
5658229
n2
800388885411025
n3
2.2643918013552E+22
n4
6.406223678895E+29
n5
1.8123940300205E+37
2 √n
5318.9420940634
3 √n
304.7077555414
4 √n
72.931077697121
5 √n
30.926452425071
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
-28291144
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 28291145 can be divided by 8 positive divisors.
The sum of these divisors (counting 28291145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111011000001001001
3
Ternary
1222020100011012
4
Quaternary
1223323001021
5
Quinary
24220304040
6
Senary
2450213305
8
Octal
153730111
10
Decimal
28291145
12
Duodecimal
9584235
16
Hexadecimal
1afb049
20
Vigesimal
8gg7h5
36
Base36
gudl5
md5
c8f1d00ec4be0e92e8b42f85ff309577
sha1
b5d4b2c16cd94b8e29ecaa6964a2f41a1f5b81c2
sha256
b6ee905c0b19af00cb928430479bf6715d1c36921928baf2b258bb376d7046ef
sha512
9035dcfe4ce06e7c45c5b7d80d14d633f77f417ea8ff52876e7f176f155384290e97c1588baab11bd273d279565538aa3aef3df3c4996fcb55d052984d30ab58
ripemd-160
1d591bf78da2621e99de5dd7390b36b68a9c4c44
Diameter
56582290
Circumference
177758506.58729
Area
2.5144958424222E+15
Volume
9.4850621973151E+22
Surface area
1.0057983369689E+16
Circumference
177758506.58729
Perimeter
113164580
Area
800388885411025
Diagonal
40009720.954064
Surface area
4802333312466150
Volume
2.2643918013552E+22
Space diagonal
49001700.544298
Perimeter
84873435
Area
3.4657855383633E+14
Altitude
24500850.272149
Surface area
3.4657855383633E+14
Volume
2.6686113300024E+21
Height
13336573.651355