28931271 is an odd 8-digits composite number following 28931270
and preceding 28931272 . In scientific notation, it is written as 2.8931271 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 19262592 positive integers (up to 28931271) that are relatively prime to 28931271.
28931271 has 8 divisors, whose sum is 38624880
The reverse of 28931271 is 17213982
Previous prime number is 829
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million nine hundred thirty-one thousand two hundred seventy-one
Scientific notation
2.8931271 × 10^7
Engineering notation
2.8931271 × 10^6
Prime Factorization
3 × 829 × 11633
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28931271
Product of the distinct prime numbers
The prime factorization of 28931271 is 3 × 829 × 11633.
Since it has a total of 3 prime factors.
6 , 10 , 83 , 14 , 571 , 543 , 8764 , 8406 , 99899 , 12962 , 668817 , 716421 , 2009027 , 8746496 , 6975941 , 48213853 , 91518245 , 182337857 , 8965749769 , 490385577
n×2
57862542
n×3
86793813
n×4
115725084
n×5
144656355
n÷2
14465635.5
n÷3
9643757
n÷3
7232817.75
n÷5
5786254.2
n2
837018441675441
n3
2.421600736811E+22
n4
7.0059987170478E+29
n5
2.0269244750856E+37
2 √n
5378.7796943173
3 √n
306.98878108019
4 √n
73.340164264319
5 √n
31.065153412035
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
-28931270
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 28931271 can be divided by 8 positive divisors.
The sum of these divisors (counting 28931271) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110010111010011000111
3
Ternary
2000102212020120
4
Quaternary
1232113103013
5
Quinary
24401300041
6
Senary
2512033023
8
Octal
156272307
10
Decimal
28931271
12
Duodecimal
9832773
16
Hexadecimal
1b974c7
20
Vigesimal
90g83b
36
Base36
h83if
md5
087908623736d47a7eed8e096a60dda3
sha1
250f9996e0d9ab1b3fb7fc4704e172f5b3871af9
sha256
572b480a45f54cee70cad296d0d84c6991758523115f7f5bf348d5a25f062450
sha512
7a7d5c65144bfcbbd8599a90e6dd56f1bda3d6dd4252a7a26e808e8dbdbc92e55766e6db4f6784fa83a8e490214d71106faf7b31e029d5e947021fe197e4225f
ripemd-160
558ebcfe8beb2a210af0ca44ee3682dcb71c90a3
Diameter
57862542
Circumference
181780536.86523
Area
2.6295709872867E+15
Volume
1.0143577446257E+23
Surface area
1.0518283949147E+16
Circumference
181780536.86523
Perimeter
115725084
Area
837018441675441
Diagonal
40914995.824891
Surface area
5022110650052646
Volume
2.421600736811E+22
Space diagonal
50110431.299544
Perimeter
86793813
Area
3.624396169635E+14
Altitude
25055215.649772
Surface area
3.624396169635E+14
Volume
2.853883837209E+21
Height
13638331.94163