28495439 is an odd 8-digits composite number following 28495438
and preceding 28495440 . In scientific notation, it is written as 2.8495439 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 23618304 positive integers (up to 28495439) that are relatively prime to 28495439.
28495439 has 16 divisors, whose sum is 33652800
The reverse of 28495439 is 93459482
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million four hundred ninety-five thousand four hundred thirty-nine
Scientific notation
2.8495439 × 10^7
Engineering notation
2.8495439 × 10^6
Prime Factorization
7 × 37 × 409 × 269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28495439
Product of the distinct prime numbers
The prime factorization of 28495439 is 7 × 37 × 409 × 269.
Since it has a total of 4 prime factors.
4 , 4 , 38 , 62 , 117 , 305 , 2940 , 1949 , 48384 , 88694 , 982638 , 184526 , 7944849 , 1791692 , 47208887 , 65371517 , 107342506 , 549556797 , 3522249207 , 846083094
n×2
56990878
n×3
85486317
n×4
113981756
n×5
142477195
n÷2
14247719.5
n÷3
9498479.6666667
n÷3
7123859.75
n÷5
5699087.8
n2
811990043802721
n3
2.3138012761788E+22
n4
6.5932783123474E+29
n5
1.8787835995952E+37
2 √n
5338.1119321348
3 √n
305.43944179994
4 √n
73.062383838298
5 √n
30.970988748014
1 , 7 , 37 , 259 , 269 , 409 , 1883 , 2863 , 9953 , 15133 , 69671 , 105931 , 110021 , 770147 , 4070777 , 28495439
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
-28495438
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 28495439 can be divided by 16 positive divisors.
The sum of these divisors (counting 28495439) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101100111001001111
3
Ternary
1222121201101122
4
Quaternary
1230230321033
5
Quinary
24243323224
6
Senary
2454431155
8
Octal
154547117
10
Decimal
28495439
12
Duodecimal
96624bb
16
Hexadecimal
1b2ce4f
20
Vigesimal
8i1ibj
36
Base36
gyr7z
md5
4c08417f86834f8ae781ed1c183c822b
sha1
3d9c2f9fde117afb86bd3af16eee241d82532dcf
sha256
0c4fd462155d14802825f3215720d2bf0d7cec6053b83ebc25979e9c9ad50fb3
sha512
119e7ef1b8aea436bcbe0166ffd7f90a0eb36fa1d757f9808863a87d11f155905c2039521c8188d788579a40038b65da7bf2d8fb6e03139ee7d6e1d0ea24a3e0
ripemd-160
a195b9f38d17d1d2070fe584f03d360aa81672a7
Diameter
56990878
Circumference
179042123.64643
Area
2.5509419563987E+15
Volume
9.6920281214799E+22
Surface area
1.0203767825595E+16
Circumference
179042123.64643
Perimeter
113981756
Area
811990043802721
Diagonal
40298636.299575
Surface area
4871940262816326
Volume
2.3138012761788E+22
Space diagonal
49355548.13198
Perimeter
85486317
Area
3.516020027766E+14
Altitude
24677774.06599
Surface area
3.516020027766E+14
Volume
2.7268409545068E+21
Height
13432878.766525