28291818 is an even 8-digits composite number following 28291817
and preceding 28291819 . In scientific notation, it is written as 2.8291818 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 9412896 positive integers (up to 28291818) that are relatively prime to 28291818.
28291818 has 16 divisors, whose sum is 56689920
The reverse of 28291818 is 81819282
Previous prime number is 569
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million two hundred ninety-one thousand eight hundred eighteen
Scientific notation
2.8291818 × 10^7
Engineering notation
2.8291818 × 10^6
Prime Factorization
2 × 3 × 569 × 8287
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28291818
Product of the distinct prime numbers
The prime factorization of 28291818 is 2 × 3 × 569 × 8287.
Since it has a total of 4 prime factors.
9 , 5 , 94 , 49 , 410 , 950 , 6286 , 1075 , 85762 , 77878 , 42109 , 343922 , 1742492 , 7947839 , 670867 , 93152477 , 785716949 , 236178592 , 180304323 , 910165024
n×2
56583636
n×3
84875454
n×4
113167272
n×5
141459090
n÷2
14145909
n÷3
9430606
n÷3
7072954.5
n÷5
5658363.6
n2
800426965745124
n3
2.2645534037153E+22
n4
6.4068332749195E+29
n5
1.8126096097037E+37
2 √n
5319.0053581473
3 √n
304.71017168838
4 √n
72.931511420972
5 √n
30.9265995616
1 , 2 , 3 , 6 , 569 , 1138 , 1707 , 3414 , 8287 , 16574 , 24861 , 49722 , 4715303 , 9430606 , 14145909 , 28291818
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
-28291817
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 28291818 can be divided by 16 positive divisors.
The sum of these divisors (counting 28291818) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111011001011101010
3
Ternary
1222020101002010
4
Quaternary
1223323023222
5
Quinary
24220314233
6
Senary
2450220350
8
Octal
153731352
10
Decimal
28291818
12
Duodecimal
95846b6
16
Hexadecimal
1afb2ea
20
Vigesimal
8gg9ai
36
Base36
gue3u
md5
c69df41d5182a0e9fc121f90ea6d276d
sha1
309900bddba5638aea258fa3ea7cd3e21616d123
sha256
d65b56f61f4dfa101e4bc367bf358d753220282fa6c6b592408dd31a610f3569
sha512
2d8236015489cba318a5cd7b62f86824811cd0e6b22e3b4fc7939af6c58e4b01e4e582ec325d5bbcc6be28a82b0bd0ed3282409c5d2988b3e2a5378efbc6c0db
ripemd-160
599a7bbdac50f12c4de6d1e393ea22fd3618cc19
Diameter
56583636
Circumference
177762735.171
Area
2.5146154753201E+15
Volume
9.4857391156984E+22
Surface area
1.005846190128E+16
Circumference
177762735.171
Perimeter
113167272
Area
800426965745124
Diagonal
40010672.719791
Surface area
4802561794470744
Volume
2.2645534037153E+22
Space diagonal
49002866.214492
Perimeter
84875454
Area
3.4659504310469E+14
Altitude
24501433.107246
Surface area
3.4659504310469E+14
Volume
2.6688017802103E+21
Height
13336890.906597