28668520 is an even 8-digits composite number following 28668519
and preceding 28668521 . In scientific notation, it is written as 2.8668520 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors.
There are 11467392 positive integers (up to 28668520) that are relatively prime to 28668520.
28668520 has 16 divisors, whose sum is 64504260
The reverse of 28668520 is 02586682
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million six hundred sixty-eight thousand five hundred twenty
Scientific notation
2.8668520 × 10^7
Engineering notation
2.8668520 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 716713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7167130
Product of the distinct prime numbers
The prime factorization of 28668520 is 2 × 2 × 2 × 5 × 716713.
Since it has a total of 5 prime factors.
8 , 3 , 58 , 2 , 931 , 543 , 4145 , 2474 , 9872 , 48346 , 471388 , 468269 , 8565749 , 6161853 , 69336227 , 59885657 , 775460007 , 494703379 , 1594835402 , 1202215540
n×2
57337040
n×3
86005560
n×4
114674080
n×5
143342600
n÷2
14334260
n÷3
9556173.3333333
n÷3
7167130
n÷5
5733704
n2
821884038990400
n3
2.3562199009477E+22
n4
6.7549337354717E+29
n5
1.9365395289405E+37
2 √n
5354.2992071792
3 √n
306.05660592911
4 √n
73.173077065128
5 √n
31.008521162539
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 716713 , 1433426 , 2866852 , 3583565 , 5733704 , 7167130 , 14334260 , 28668520
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
-28668519
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 28668520 can be divided by 16 positive divisors.
The sum of these divisors (counting 28668520) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010111001001101000
3
Ternary
1222221111211001
4
Quaternary
1231113021220
5
Quinary
24314343040
6
Senary
2502244344
8
Octal
155271150
10
Decimal
28668520
12
Duodecimal
97266b4
16
Hexadecimal
1b57268
20
Vigesimal
8j3b60
36
Base36
h2grs
md5
a6019a98dfc5757d76d229f48f81d028
sha1
a0ebf4b8e24c2546c41d950631a7339547215850
sha256
51546c0b63a2861eb42b3356cd58599a729352bc059fb89c421beab229a64936
sha512
b8a4d5417f461f6437cb2eeb9bbac398c40e47f9689a8d8a679e920f38f4e65d25c2438ce031620839733b59606f24a4625bdee435fca8b9fc566b3d2473f324
ripemd-160
faf4b1b771445f1191fd994541ce86c8573a94d3
Diameter
57337040
Circumference
180129623.64258
Area
2.5820248589949E+15
Volume
9.8697108414125E+22
Surface area
1.032809943598E+16
Circumference
180129623.64258
Perimeter
114674080
Area
821884038990400
Diagonal
40543409.797164
Surface area
4931304233942400
Volume
2.3562199009477E+22
Space diagonal
49655333.217805
Perimeter
86005560
Area
3.5588622836532E+14
Altitude
24827666.608902
Surface area
3.5588622836532E+14
Volume
2.7768317832114E+21
Height
13514469.932388