28308220 is an even 8-digits composite number following 28308219
and preceding 28308221 . In scientific notation, it is written as 2.8308220 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 11323280 positive integers (up to 28308220) that are relatively prime to 28308220.
28308220 has 12 divisors, whose sum is 59447304
The reverse of 28308220 is 02280382
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-eight million three hundred eight thousand two hundred twenty
Scientific notation
2.8308220 × 10^7
Engineering notation
2.8308220 × 10^6
Prime Factorization
2 × 2 × 5 × 1415411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14154110
Product of the distinct prime numbers
The prime factorization of 28308220 is 2 × 2 × 5 × 1415411.
Since it has a total of 4 prime factors.
9 , 8 , 10 , 64 , 781 , 4 , 3913 , 2479 , 20869 , 51843 , 321931 , 728282 , 7781859 , 6766871 , 49746596 , 65738006 , 926919105 , 233718775 , 4367301520 , 6252971668
n×2
56616440
n×3
84924660
n×4
113232880
n×5
141541100
n÷2
14154110
n÷3
9436073.3333333
n÷3
7077055
n÷5
5661644
n2
801355319568400
n3
2.2684942684513E+22
n4
6.4217034820057E+29
n5
1.8178699494338E+37
2 √n
5320.5469643637
3 √n
304.76904490185
4 √n
72.942079517681
5 √n
30.93018462987
1 , 2 , 4 , 5 , 10 , 20 , 1415411 , 2830822 , 5661644 , 7077055 , 14154110 , 28308220
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28308219
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28308220 can be divided by 12 positive divisors.
The sum of these divisors (counting 28308220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011111111001011111100
3
Ternary
1222021012120121
4
Quaternary
1223333023330
5
Quinary
24221330340
6
Senary
2450424324
8
Octal
153771374
10
Decimal
28308220
12
Duodecimal
95920a4
16
Hexadecimal
1aff2fc
20
Vigesimal
8giab0
36
Base36
guqrg
md5
6706ace7a4131ad0d8a108febfa28f5c
sha1
1f3c00e5077486da76f14eba23774be92e08f1ad
sha256
cf6bc682a4736ac408c0362d631340fed1df4e530377ddb738aab58c13e0876c
sha512
f74ee5636d2917e0fa870b4a332c9d661348a7ce376289d6b6828c03b8aa60549a5d6f359c4b79f2711a1626b3a0382f04c48d8bb936bf90a8e1ab267bf68b27
ripemd-160
d6d5e203d4686557e6f549450ba1a8ae21bddef8
Diameter
56616440
Circumference
177865791.97641
Area
2.5175319848712E+15
Volume
9.5022465713027E+22
Surface area
1.0070127939485E+16
Circumference
177865791.97641
Perimeter
113232880
Area
801355319568400
Diagonal
40033868.650641
Surface area
4808131917410400
Volume
2.2684942684513E+22
Space diagonal
49031275.311837
Perimeter
84924660
Area
3.4699703210202E+14
Altitude
24515637.655919
Surface area
3.4699703210202E+14
Volume
2.6734461338412E+21
Height
13344622.883547