28239618 is an even 8-digits composite number following 28239617
and preceding 28239619 . In scientific notation, it is written as 2.8239618 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 8053760 positive integers (up to 28239618) that are relatively prime to 28239618.
28239618 has 16 divisors, whose sum is 47118240
The reverse of 28239618 is 81693282
Previous prime number is 51
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million two hundred thirty-nine thousand six hundred eighteen
Scientific notation
2.8239618 × 10^7
Engineering notation
2.8239618 × 10^6
Prime Factorization
2 × 11 × 51 × 25169
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28239618
Product of the distinct prime numbers
The prime factorization of 28239618 is 2 × 11 × 51 × 25169.
Since it has a total of 4 prime factors.
7 , 9 , 68 , 4 , 858 , 891 , 6956 , 6116 , 6462 , 3312 , 702812 , 103772 , 1345925 , 2609578 , 29191034 , 58590212 , 580262999 , 320066653 , 7629244405 , 9966986319
n×2
56479236
n×3
84718854
n×4
112958472
n×5
141198090
n÷2
14119809
n÷3
9413206
n÷3
7059904.5
n÷5
5647923.6
n2
797476024785924
n3
2.2520418304113E+22
n4
6.3596801010836E+29
n5
1.795949366568E+37
2 √n
5314.0961602139
3 √n
304.52265382943
4 √n
72.897847431964
5 √n
30.915178865637
1 , 2 , 11 , 22 , 51 , 102 , 561 , 1122 , 25169 , 50338 , 276859 , 553718 , 1283619 , 2567238 , 14119809 , 28239618
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
-28239617
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 28239618 can be divided by 16 positive divisors.
The sum of these divisors (counting 28239618) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011101110011100000010
3
Ternary
1222010201110210
4
Quaternary
1223232130002
5
Quinary
24212131433
6
Senary
2445134550
8
Octal
153563402
10
Decimal
28239618
12
Duodecimal
955a456
16
Hexadecimal
1aee702
20
Vigesimal
8g9j0i
36
Base36
gt9tu
md5
028c6b46b8767fcc4add0e10d5ae1e94
sha1
e90013403352f01ffe18a8977d8aa236f61613ce
sha256
7d8003edb51fa6e0626416a587a957dfee4d1ae6b94fb66dad19f01d6bf5316a
sha512
c923c54372993b1566b78dac04bcb2e813c50536207f047668e6c8d653a1f9637ec63837918f62a5df92df2e24a0781a3fb57624fe07c57fadad962816e84f2b
ripemd-160
c326bf4ba55bf5cd2ec4592602223ff2beb032d9
Diameter
56479236
Circumference
177434752.89796
Area
2.5053448208815E+15
Volume
9.4333307599961E+22
Surface area
1.0021379283526E+16
Circumference
177434752.89796
Perimeter
112958472
Area
797476024785924
Diagonal
39936850.771835
Surface area
4784856148715544
Volume
2.2520418304113E+22
Space diagonal
48912453.162337
Perimeter
84718854
Area
3.4531724818682E+14
Altitude
24456226.581168
Surface area
3.4531724818682E+14
Volume
2.654056749666E+21
Height
13312283.590612