28831432 is an even 8-digits composite number following 28831431
and preceding 28831433 . In scientific notation, it is written as 2.8831432 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 12356304 positive integers (up to 28831432) that are relatively prime to 28831432.
28831432 has 16 divisors, whose sum is 61781760
The reverse of 28831432 is 23413882
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million eight hundred thirty-one thousand four hundred thirty-two
Scientific notation
2.8831432 × 10^7
Engineering notation
2.8831432 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 514847
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7207858
Product of the distinct prime numbers
The prime factorization of 28831432 is 2 × 2 × 2 × 7 × 514847.
Since it has a total of 5 prime factors.
2 , 5 , 43 , 48 , 794 , 373 , 6443 , 6944 , 30046 , 26965 , 885526 , 205540 , 7643640 , 4050836 , 14608463 , 40748426 , 455523093 , 67811290 , 9381145576 , 7690184098
n×2
57662864
n×3
86494296
n×4
115325728
n×5
144157160
n÷2
14415716
n÷3
9610477.3333333
n÷3
7207858
n÷5
5766286.4
n2
831251471170624
n3
2.3966170265956E+22
n4
6.9097900832333E+29
n5
1.9921914291901E+37
2 √n
5369.4908510957
3 √n
306.6352446276
4 √n
73.276809777007
5 √n
31.04368319079
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 514847 , 1029694 , 2059388 , 3603929 , 4118776 , 7207858 , 14415716 , 28831432
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28831431
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28831432 can be divided by 16 positive divisors.
The sum of these divisors (counting 28831432) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101111110111011001000
3
Ternary
2000020210021211
4
Quaternary
1231332323020
5
Quinary
24340101212
6
Senary
2505542504
8
Octal
155767310
10
Decimal
28831432
12
Duodecimal
97a4a34
16
Hexadecimal
1b7eec8
20
Vigesimal
903ibc
36
Base36
h5yh4
md5
83422b0cfbd60978c4cdf9dd202ed17e
sha1
8763a98a7b3f36cd41152fbb2bf9a4bdd2f7e945
sha256
033ad2d797f803c421630040d8148cc9353af44fda2c00c2a5a25578d4d49bb6
sha512
19400840dceb5c955ca6d7899c25ba853aa123d8e2d57ae8b72dfc69f793d9ed7277a1304e191c8ed730b599a8aa2f29532d8a445616d7e8434b651171b81fef
ripemd-160
11b2ab562a8987c90272e9deb4ff1946d7a60ce0
Diameter
57662864
Circumference
181153229.92735
Area
2.6114535151153E+15
Volume
1.0038925925628E+23
Surface area
1.0445814060461E+16
Circumference
181153229.92735
Perimeter
115325728
Area
831251471170624
Diagonal
40773802.157038
Surface area
4987508827023744
Volume
2.3966170265956E+22
Space diagonal
49937505.078967
Perimeter
86494296
Area
3.5994244548347E+14
Altitude
24968752.539484
Surface area
3.5994244548347E+14
Volume
2.8244402523548E+21
Height
13591267.385679