28758825 is an odd 8-digits composite number following 28758824
and preceding 28758826 . In scientific notation, it is written as 2.8758825 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 15337920 positive integers (up to 28758825) that are relatively prime to 28758825.
28758825 has 8 divisors, whose sum is 33232680
The reverse of 28758825 is 52885782
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million seven hundred fifty-eight thousand eight hundred twenty-five
Scientific notation
2.8758825 × 10^7
Engineering notation
2.8758825 × 10^6
Prime Factorization
9 × 25 × 127817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28758825
Product of the distinct prime numbers
The prime factorization of 28758825 is 9 × 25 × 127817.
Since it has a total of 3 prime factors.
5 , 9 , 86 , 78 , 76 , 472 , 2915 , 9651 , 4684 , 38582 , 119383 , 325293 , 3005729 , 6622104 , 86617775 , 54250787 , 470813440 , 627969121 , 589980607 , 9920091330
n×2
57517650
n×3
86276475
n×4
115035300
n×5
143794125
n÷2
14379412.5
n÷3
9586275
n÷3
7189706.25
n÷5
5751765
n2
827070015380625
n3
2.3785561835079E+22
n4
6.8404481034171E+29
n5
1.9672324992775E+37
2 √n
5362.7255197334
3 √n
306.37762555135
4 √n
73.230632386546
5 √n
31.028031781902
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
-28758824
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 28758825 can be divided by 8 positive divisors.
The sum of these divisors (counting 28758825) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101101101001100101001
3
Ternary
2000010002200200
4
Quaternary
1231231030221
5
Quinary
24330240300
6
Senary
2504222413
8
Octal
155551451
10
Decimal
28758825
12
Duodecimal
976aa09
16
Hexadecimal
1b6d329
20
Vigesimal
8jeh15
36
Base36
h4eg9
md5
754f318c62f5b3dacf14e23e654a3110
sha1
4216cd666e2d1e7a81f8e53e22d8d8e2f1db6c80
sha256
01518bca33bbc4aa5b04bcb8a329f3e20cac4f5d311d88aa42895dbf8a5adeca
sha512
3a4b1a3a78e88ecb856c040d2940cdef414d87435e5d5e223ca8278fd0ed8c5871cf497e06f6427b25e71d911e640c85c7eef6c6e5bb4c25c59bf9abaf42ce6b
ripemd-160
80b3d6d3857796965f46c863a5c2f0b34f77de6d
Diameter
57517650
Circumference
180697026.69175
Area
2.5983170843242E+15
Volume
9.9632728430119E+22
Surface area
1.0393268337297E+16
Circumference
180697026.69175
Perimeter
115035300
Area
827070015380625
Diagonal
40671120.352914
Surface area
4962420092283750
Volume
2.3785561835079E+22
Space diagonal
49811746.065982
Perimeter
86276475
Area
3.58131822014E+14
Altitude
24905873.032991
Surface area
3.58131822014E+14
Volume
2.8031553446527E+21
Height
13557040.117638