28665040 is an even 8-digits composite number following 28665039
and preceding 28665041 . In scientific notation, it is written as 2.8665040 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 11465984 positive integers (up to 28665040) that are relatively prime to 28665040.
28665040 has 20 divisors, whose sum is 66646404
The reverse of 28665040 is 04056682
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million six hundred sixty-five thousand forty
Scientific notation
2.8665040 × 10^7
Engineering notation
2.8665040 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 358313
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3583130
Product of the distinct prime numbers
The prime factorization of 28665040 is 2 × 2 × 2 × 2 × 5 × 358313.
Since it has a total of 6 prime factors.
5 , 3 , 30 , 61 , 87 , 787 , 3942 , 7431 , 65760 , 25401 , 735574 , 862996 , 6031523 , 1109162 , 61847600 , 26008969 , 51525815 , 137868475 , 6670511840 , 1032012869
n×2
57330080
n×3
85995120
n×4
114660160
n×5
143325200
n÷2
14332520
n÷3
9555013.3333333
n÷3
7166260
n÷5
5733008
n2
821684518201600
n3
2.355361958163E+22
n4
6.751654474522E+29
n5
1.9353644557835E+37
2 √n
5353.9742248166
3 √n
306.04422161248
4 √n
73.170856389799
5 √n
31.007768316605
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 358313 , 716626 , 1433252 , 1791565 , 2866504 , 3583130 , 5733008 , 7166260 , 14332520 , 28665040
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28665039
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28665040 can be divided by 20 positive divisors.
The sum of these divisors (counting 28665040) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101101010110010011010000
3
Ternary
1222221100001011
4
Quaternary
1231112103100
5
Quinary
24314240130
6
Senary
2502220304
8
Octal
155262320
10
Decimal
28665040
12
Duodecimal
9724694
16
Hexadecimal
1b564d0
20
Vigesimal
8j32c0
36
Base36
h2e34
md5
f679d2b8aac440709326f36bb8a2d130
sha1
3f60bb963fbb5d2f0f3d13e5f7b1215dc475d35a
sha256
6b77aceeee7470828a0f6304282e613110b52ff729af5e072506383f93d0a24e
sha512
b0e6e6bff1b495c3515c9c8c81bc4b2ad94f0a4e681793cb9821a95f8d1bdccdee4f72ad5582cbedd32fcd49c84d2f6a9a8cd7cd3928eb2006f8be850a694b41
ripemd-160
88be812cc17a9460f1d8ad73b097626ac16c11c1
Diameter
57330080
Circumference
180107758.15772
Area
2.5813980459506E+15
Volume
9.8661170990795E+22
Surface area
1.0325592183802E+16
Circumference
180107758.15772
Perimeter
114660160
Area
821684518201600
Diagonal
40538488.333967
Surface area
4930107109209600
Volume
2.355361958163E+22
Space diagonal
49649305.680994
Perimeter
85995120
Area
3.5579983332948E+14
Altitude
24824652.840497
Surface area
3.5579983332948E+14
Volume
2.7758206879431E+21
Height
13512829.444656