28691369 is an odd 8-digits composite number following 28691368
and preceding 28691370 . In scientific notation, it is written as 2.8691369 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 24592596 positive integers (up to 28691369) that are relatively prime to 28691369.
28691369 has 4 divisors, whose sum is 32790144
The reverse of 28691369 is 96319682
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million six hundred ninety-one thousand three hundred sixty-nine
Scientific notation
2.8691369 × 10^7
Engineering notation
2.8691369 × 10^6
Prime Factorization
7 × 4098767
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28691369
Product of the distinct prime numbers
The prime factorization of 28691369 is 7 × 4098767.
Since it has a total of 2 prime factors.
9 , 4 , 10 , 81 , 449 , 893 , 7035 , 3137 , 34804 , 33941 , 622326 , 298393 , 544322 , 3760365 , 65950127 , 15401986 , 327566764 , 57486388 , 6944097214 , 2263951957
n×2
57382738
n×3
86074107
n×4
114765476
n×5
143456845
n÷2
14345684.5
n÷3
9563789.6666667
n÷3
7172842.25
n÷5
5738273.8
n2
823194655094161
n3
2.3618581608134E+22
n4
6.7764944017559E+29
n5
1.9442690140721E+37
2 √n
5356.4324881398
3 √n
306.13789405008
4 √n
73.187652566125
5 √n
31.013462386794
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28691368
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28691369 can be divided by 4 positive divisors.
The sum of these divisors (counting 28691369) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101011100101110101001
3
Ternary
1222222200011022
4
Quaternary
1231130232221
5
Quinary
24321110434
6
Senary
2502542225
8
Octal
155345651
10
Decimal
28691369
12
Duodecimal
9737975
16
Hexadecimal
1b5cba9
20
Vigesimal
8j6889
36
Base36
h2yeh
md5
5ce464658be3a6012abd17e77d664631
sha1
60724cd790d0af61b223990698cacd343e28dafc
sha256
c06a5957fbf1a9c3f333f68cdb95166c2cf5fd4f12264167998980c7799c0083
sha512
e1b00865bc953c6f57f25833defc49acc2494f2d913fccc9d3fc57bbfe7d6f45e4a53fe5cef65c034d401b9854a91a344cb03e9e5410f82941d8611008889d54
ripemd-160
df9c133b47278b1b10a5afa56ef6e0e161b8f544
Diameter
57382738
Circumference
180273188.14367
Area
2.5861422809182E+15
Volume
9.8933283291101E+22
Surface area
1.0344569123673E+16
Circumference
180273188.14367
Perimeter
114765476
Area
823194655094161
Diagonal
40575723.162851
Surface area
4939167930564966
Volume
2.3618581608134E+22
Space diagonal
49694908.846707
Perimeter
86074107
Area
3.5645374178556E+14
Altitude
24847454.423353
Surface area
3.5645374178556E+14
Volume
2.7834765361866E+21
Height
13525241.054284