28398775 is an odd 8-digits composite number following 28398774
and preceding 28398776 . In scientific notation, it is written as 2.8398775 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 22719000 positive integers (up to 28398775) that are relatively prime to 28398775.
28398775 has 4 divisors, whose sum is 29534752
The reverse of 28398775 is 57789382
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million three hundred ninety-eight thousand seven hundred seventy-five
Scientific notation
2.8398775 × 10^7
Engineering notation
2.8398775 × 10^6
Prime Factorization
25 × 1135951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28398775
Product of the distinct prime numbers
The prime factorization of 28398775 is 25 × 1135951.
Since it has a total of 2 prime factors.
5 , 3 , 79 , 44 , 34 , 947 , 4932 , 2264 , 43019 , 27445 , 911442 , 218970 , 6529987 , 9220686 , 44155137 , 92254944 , 88521035 , 759648389 , 2638649128 , 4433910765
n×2
56797550
n×3
85196325
n×4
113595100
n×5
141993875
n÷2
14199387.5
n÷3
9466258.3333333
n÷3
7099693.75
n÷5
5679755
n2
806490421500625
n3
2.2903340019851E+22
n4
6.5042679997226E+29
n5
1.8471324346382E+37
2 √n
5329.0501029733
3 √n
305.09367363713
4 √n
73.000343170244
5 √n
30.949947835337
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28398774
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28398775 can be divided by 4 positive divisors.
The sum of these divisors (counting 28398775) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010101010010110111
3
Ternary
1222102210210111
4
Quaternary
1230111102313
5
Quinary
24232230100
6
Senary
2452403451
8
Octal
154252267
10
Decimal
28398775
12
Duodecimal
9616587
16
Hexadecimal
1b154b7
20
Vigesimal
8h9gif
36
Base36
gwomv
md5
9036ed021e4ee43dec9b0022c1343c5a
sha1
4656821e982f1d75f15aff4c72e7ec181a87cc5f
sha256
2f2b82fa227cbc1663f2756d70e7afcd2d16d9d5846c24bb4decccfad3c18235
sha512
b142769bff9da022b93a3529bc549fa7d875d526147f564e4e4274381def982c0923a5f8241bf41cb80e91ab4d2eea6ea866f33cfc92686a11e33077da2429c0
ripemd-160
1e6c8927ed8e9933edb42b811a677ce12ee5a49b
Diameter
56797550
Circumference
178434765.8219
Area
2.5336643833769E+15
Volume
9.5937286332046E+22
Surface area
1.0134657533508E+16
Circumference
178434765.8219
Perimeter
113595100
Area
806490421500625
Diagonal
40161932.759782
Surface area
4838942529003750
Volume
2.2903340019851E+22
Space diagonal
49188121.172717
Perimeter
85196325
Area
3.4922059646418E+14
Altitude
24594060.586358
Surface area
3.4922059646418E+14
Volume
2.699184506643E+21
Height
13387310.919927