28804538 is an even 8-digits composite number following 28804537
and preceding 28804539 . In scientific notation, it is written as 2.8804538 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 12216960 positive integers (up to 28804538) that are relatively prime to 28804538.
28804538 has 16 divisors, whose sum is 49890624
The reverse of 28804538 is 83540882
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million eight hundred four thousand five hundred thirty-eight
Scientific notation
2.8804538 × 10^7
Engineering notation
2.8804538 × 10^6
Prime Factorization
2 × 7 × 97 × 21211
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28804538
Product of the distinct prime numbers
The prime factorization of 28804538 is 2 × 7 × 97 × 21211.
Since it has a total of 4 prime factors.
5 , 6 , 94 , 55 , 818 , 930 , 2503 , 7021 , 38269 , 52089 , 200059 , 980682 , 2372914 , 4384221 , 91078964 , 85264405 , 567109769 , 160317057 , 3848680255 , 3696109558
n×2
57609076
n×3
86413614
n×4
115218152
n×5
144022690
n÷2
14402269
n÷3
9601512.6666667
n÷3
7201134.5
n÷5
5760907.6
n2
829701409393444
n3
2.3899165775527E+22
n4
6.8840442874947E+29
n5
1.9829171527282E+37
2 √n
5366.9859325323
3 √n
306.53987170543
4 √n
73.259715618697
5 √n
31.037889510446
1 , 2 , 7 , 14 , 97 , 194 , 679 , 1358 , 21211 , 42422 , 148477 , 296954 , 2057467 , 4114934 , 14402269 , 28804538
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
-28804537
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 28804538 can be divided by 16 positive divisors.
The sum of these divisors (counting 28804538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101111000010110111010
3
Ternary
2000012102101202
4
Quaternary
1231320112322
5
Quinary
24333221123
6
Senary
2505214202
8
Octal
155702672
10
Decimal
28804538
12
Duodecimal
9791362
16
Hexadecimal
1b785ba
20
Vigesimal
900b6i
36
Base36
h5dq2
md5
df92939982bcc7a2c83c657a0740d0f0
sha1
305a75eed90a712c42cec138097f6d315c4dd8b0
sha256
93a89cf5f801a9a5e153dbf22546cde3b756e4ece03867044e1a038d1e1dc5df
sha512
1dfd465f6614860622ba30f5857b626c574bb56a517c38407a7e30ceb0c4e9acb76e11443f92db9f4b42c5fb53e2f6ad28345f9265acb828ae1d8a1dfee1e1dd
ripemd-160
397dee1c7fbb24d4c4afe2b37371e2b610f24947
Diameter
57609076
Circumference
180984249.9417
Area
2.6065838524235E+15
Volume
1.0010859150309E+23
Surface area
1.0426335409694E+16
Circumference
180984249.9417
Perimeter
115218152
Area
829701409393444
Diagonal
40735768.297491
Surface area
4978208456360664
Volume
2.3899165775527E+22
Space diagonal
49890923.304548
Perimeter
86413614
Area
3.5927124904524E+14
Altitude
24945461.652274
Surface area
3.5927124904524E+14
Volume
2.8165436974294E+21
Height
13578589.432497