28209747 is an odd 8-digits composite number following 28209746
and preceding 28209748 . In scientific notation, it is written as 2.8209747 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 18424032 positive integers (up to 28209747) that are relatively prime to 28209747.
28209747 has 16 divisors, whose sum is 38384640
The reverse of 28209747 is 74790282
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million two hundred nine thousand seven hundred forty-seven
Scientific notation
2.8209747 × 10^7
Engineering notation
2.8209747 × 10^6
Prime Factorization
3 × 67 × 293 × 479
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28209747
Product of the distinct prime numbers
The prime factorization of 28209747 is 3 × 67 × 293 × 479.
Since it has a total of 4 prime factors.
7 , 7 , 84 , 22 , 453 , 444 , 4451 , 7693 , 81438 , 78494 , 824411 , 796564 , 2831543 , 6743587 , 34855742 , 94293873 , 711358573 , 83969754 , 7445533288 , 5913964156
n×2
56419494
n×3
84629241
n×4
112838988
n×5
141048735
n÷2
14104873.5
n÷3
9403249
n÷3
7052436.75
n÷5
5641949.4
n2
795789825804009
n3
2.2449029651105E+22
n4
6.3328144685317E+29
n5
1.7864709395522E+37
2 √n
5311.2848727968
3 √n
304.41524438106
4 √n
72.878562505011
5 √n
30.908635871449
1 , 3 , 67 , 201 , 293 , 479 , 879 , 1437 , 19631 , 32093 , 58893 , 96279 , 140347 , 421041 , 9403249 , 28209747
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
-28209746
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 28209747 can be divided by 16 positive divisors.
The sum of these divisors (counting 28209747) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011100111001001010011
3
Ternary
1222002012111110
4
Quaternary
1223213021103
5
Quinary
24210202442
6
Senary
2444344403
8
Octal
153471123
10
Decimal
28209747
12
Duodecimal
9545103
16
Hexadecimal
1ae7253
20
Vigesimal
8g6477
36
Base36
gsms3
md5
2089009ec60259937ef3c24e01910041
sha1
7b4bdfaee32fb3b73a636fbe0dc215c7a793e7c3
sha256
19764155e8510cd63a73d94d77932f46aab368b482525ab341de9e5457062cd3
sha512
1bbd34e6a316a0327af2f9eb4f911d9823a33d0191c94ea1bd0169b305df99b179510c3ef03790eb0c95f49c896c368c79b737738fcfb44e0ee2d310671193ca
ripemd-160
a8ccb3efbfcc71bd93d39e52f85dc66b49d558ae
Diameter
56419494
Circumference
177247067.86965
Area
2.5000474705474E+15
Volume
9.4034275509509E+22
Surface area
1.000018988219E+16
Circumference
177247067.86965
Perimeter
112838988
Area
795789825804009
Diagonal
39894606.798514
Surface area
4774738954824054
Volume
2.2449029651105E+22
Space diagonal
48860715.072664
Perimeter
84629241
Area
3.4458710260973E+14
Altitude
24430357.536332
Surface area
3.4458710260973E+14
Volume
2.6456435162257E+21
Height
13298202.266171