28440018 is an even 8-digits composite number following 28440017
and preceding 28440019 . In scientific notation, it is written as 2.8440018 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 9479988 positive integers (up to 28440018) that are relatively prime to 28440018.
28440018 has 16 divisors, whose sum is 63200160
The reverse of 28440018 is 81004482
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million four hundred forty thousand eighteen
Scientific notation
2.8440018 × 10^7
Engineering notation
2.8440018 × 10^6
Prime Factorization
2 × 9 × 3 × 526667
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28440018
Product of the distinct prime numbers
The prime factorization of 28440018 is 2 × 9 × 3 × 526667.
Since it has a total of 4 prime factors.
5 , 10 , 44 , 83 , 50 , 172 , 6397 , 283 , 48349 , 60411 , 287659 , 415568 , 5346688 , 5349587 , 59190308 , 29780044 , 39883959 , 244361494 , 9811106487 , 9466798891
n×2
56880036
n×3
85320054
n×4
113760072
n×5
142200090
n÷2
14220009
n÷3
9480006
n÷3
7110004.5
n÷5
5688003.6
n2
808834623840324
n3
2.3003271261042E+22
n4
6.5421344872292E+29
n5
1.8605842257522E+37
2 √n
5332.9183380209
3 √n
305.24129610737
4 √n
73.026833000076
5 √n
30.958932221654
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 526667 , 1053334 , 1580001 , 3160002 , 4740003 , 9480006 , 14220009 , 28440018
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
-28440017
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 28440018 can be divided by 16 positive divisors.
The sum of these divisors (counting 28440018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100011111010111010010
3
Ternary
1222111220101000
4
Quaternary
1230133113102
5
Quinary
24240040033
6
Senary
2453322430
8
Octal
154372722
10
Decimal
28440018
12
Duodecimal
9636416
16
Hexadecimal
1b1f5d2
20
Vigesimal
8hf00i
36
Base36
gxkgi
md5
c4f466f8bc474c9dba887b416e654d1e
sha1
54132c1c0cb3d8dd1afa7d07f6abad1dd4ac153d
sha256
83f9aac583d8e1aec45adaf0d2309730c2502594dff128832937d8e34bbfd5bd
sha512
ae04e98dca6734792d326b73c61d6f45e74a5e1314790017cfab69b2901a043b5ae9a3f59473d5b681466ce8197cbbcef30d23ad19f22b14969468c2d8302611
ripemd-160
9dbdf9c04a0b10e10a80b6de6dc4f33b9a73323a
Diameter
56880036
Circumference
178693903.23352
Area
2.5410289122258E+15
Volume
9.6355877336297E+22
Surface area
1.0164115648903E+16
Circumference
178693903.23352
Perimeter
113760072
Area
808834623840324
Diagonal
40220259.169735
Surface area
4853007743041944
Volume
2.3003271261042E+22
Space diagonal
49259556.144173
Perimeter
85320054
Area
3.5023566585308E+14
Altitude
24629778.072087
Surface area
3.5023566585308E+14
Volume
2.7109615163594E+21
Height
13406753.056578