28542018 is an even 8-digits composite number following 28542017
and preceding 28542019 . In scientific notation, it is written as 2.8542018 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9441120 positive integers (up to 28542018) that are relatively prime to 28542018.
28542018 has 16 divisors, whose sum is 57521376
The reverse of 28542018 is 81024582
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million five hundred forty-two thousand eighteen
Scientific notation
2.8542018 × 10^7
Engineering notation
2.8542018 × 10^6
Prime Factorization
2 × 3 × 131 × 36313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28542018
Product of the distinct prime numbers
The prime factorization of 28542018 is 2 × 3 × 131 × 36313.
Since it has a total of 4 prime factors.
9 , 9 , 6 , 24 , 93 , 538 , 7160 , 1187 , 52095 , 3859 , 411573 , 536939 , 9815954 , 8905950 , 90538543 , 3501712 , 360429277 , 695693868 , 9992353887 , 6136220619
n×2
57084036
n×3
85626054
n×4
114168072
n×5
142710090
n÷2
14271009
n÷3
9514006
n÷3
7135504.5
n÷5
5708403.6
n2
814646791512324
n3
2.3251663386987E+22
n4
6.6364939492132E+29
n5
1.8941892975534E+37
2 √n
5342.4730228612
3 √n
305.60577624244
4 √n
73.092222724865
5 √n
30.981107247144
1 , 2 , 3 , 6 , 131 , 262 , 393 , 786 , 36313 , 72626 , 108939 , 217878 , 4757003 , 9514006 , 14271009 , 28542018
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
-28542017
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 28542018 can be divided by 16 positive divisors.
The sum of these divisors (counting 28542018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100111000010001000010
3
Ternary
1222201002021210
4
Quaternary
1230320101002
5
Quinary
24301321033
6
Senary
2455430550
8
Octal
154702102
10
Decimal
28542018
12
Duodecimal
9685456
16
Hexadecimal
1b38442
20
Vigesimal
8i7f0i
36
Base36
gzr5u
md5
194b0b2e07d87d85f23df1e4375c245c
sha1
28cb9306bcbbfccf7eb352851fa385b1ad2b6eb8
sha256
73b74af41951dfee91c2f0cee00fb1a8316b83760ed735c72c64355b24bdeea7
sha512
f667207017ba39d3aeea23c7db0fa4caaf99d1c9c8a7e5075f4c4d642910df5b7930e12874bf63960b10f7eee14b59e2812165f6dd3e775bf50077164b346595
ripemd-160
ace9ba4dfd13c006aa30b3cb3a1baf759ba74b12
Diameter
57084036
Circumference
179334788.13486
Area
2.5592883754856E+15
Volume
9.7396339840401E+22
Surface area
1.0237153501942E+16
Circumference
179334788.13486
Perimeter
114168072
Area
814646791512324
Diagonal
40364508.953097
Surface area
4887880749073944
Volume
2.3251663386987E+22
Space diagonal
49436225.326545
Perimeter
85626054
Area
3.5275240828058E+14
Altitude
24718112.663273
Surface area
3.5275240828058E+14
Volume
2.7402348091342E+21
Height
13454836.317699