28667780 is an even 8-digits composite number following 28667779
and preceding 28667781 . In scientific notation, it is written as 2.8667780 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 10792448 positive integers (up to 28667780) that are relatively prime to 28667780.
28667780 has 12 divisors, whose sum is 50759436
The reverse of 28667780 is 08776682
Previous prime number is 85
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million six hundred sixty-seven thousand seven hundred eighty
Scientific notation
2.8667780 × 10^7
Engineering notation
2.8667780 × 10^6
Prime Factorization
2 × 2 × 85 × 84317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14333890
Product of the distinct prime numbers
The prime factorization of 28667780 is 2 × 2 × 85 × 84317.
Since it has a total of 4 prime factors.
6 , 10 , 13 , 43 , 363 , 782 , 8810 , 8203 , 6716 , 53409 , 562947 , 614419 , 9488597 , 3812705 , 95654969 , 13676909 , 19389632 , 396682408 , 9703973059 , 5716239166
n×2
57335560
n×3
86003340
n×4
114671120
n×5
143338900
n÷2
14333890
n÷3
9555926.6666667
n÷3
7166945
n÷5
5733556
n2
821841610128400
n3
2.3560374474007E+22
n4
6.7542363213844E+29
n5
1.9362896092946E+37
2 √n
5354.2301033855
3 √n
306.05397256637
4 √n
73.172604869483
5 √n
31.008361080731
1 , 2 , 4 , 85 , 170 , 340 , 84317 , 168634 , 337268 , 7166945 , 14333890 , 28667780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28667779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28667780 can be divided by 12 positive divisors.
The sum of these divisors (counting 28667780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101010110111110000100
3
Ternary
1222221110210122
4
Quaternary
1231112332010
5
Quinary
24314332110
6
Senary
2502241112
8
Octal
155267604
10
Decimal
28667780
12
Duodecimal
9726198
16
Hexadecimal
1b56f84
20
Vigesimal
8j3990
36
Base36
h2g78
md5
4135efaaccd179554ef7ed36cb216fac
sha1
16ded76a025fb381734dc7068c64857c82acd8ba
sha256
2385ec95eaf5593cd6b5314502b73f85a2861b091469713cba8c994d26156c1c
sha512
b26fa348614ea8d83b49c519145cbf0414bca412dea1d2992ff50bd45098dd4e60b7a118eecae6960eb579a1920958d0177912f5c6113818d4615f96688bb7e5
ripemd-160
bc8a3cbfbdcf89905ce441e7f75b2be86ddd59b1
Diameter
57335560
Circumference
180124974.08546
Area
2.5818915647938E+15
Volume
9.8689465817819E+22
Surface area
1.0327566259175E+16
Circumference
180124974.08546
Perimeter
114671120
Area
821841610128400
Diagonal
40542363.279128
Surface area
4931049660770400
Volume
2.3560374474007E+22
Space diagonal
49654051.500207
Perimeter
86003340
Area
3.5586785612915E+14
Altitude
24827025.750103
Surface area
3.5586785612915E+14
Volume
2.7766167596441E+21
Height
13514121.093043