28691012 is an even 8-digits composite number following 28691011
and preceding 28691013 . In scientific notation, it is written as 2.8691012 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 12223008 positive integers (up to 28691012) that are relatively prime to 28691012.
28691012 has 24 divisors, whose sum is 57723456
The reverse of 28691012 is 21019682
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million six hundred ninety-one thousand twelve
Scientific notation
2.8691012 × 10^7
Engineering notation
2.8691012 × 10^6
Prime Factorization
2 × 2 × 7 × 173 × 5923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14345506
Product of the distinct prime numbers
The prime factorization of 28691012 is 2 × 2 × 7 × 173 × 5923.
Since it has a total of 5 prime factors.
3 , 4 , 4 , 59 , 700 , 996 , 274 , 6450 , 73187 , 17303 , 564482 , 857689 , 3810852 , 5647342 , 30030995 , 89758557 , 252081420 , 757693649 , 4925464605 , 4279514331
n×2
57382024
n×3
86073036
n×4
114764048
n×5
143455060
n÷2
14345506
n÷3
9563670.6666667
n÷3
7172753
n÷5
5738202.4
n2
823174169584144
n3
2.3617699977629E+22
n4
6.7761571347055E+29
n5
1.9441480566572E+37
2 √n
5356.3991636173
3 √n
306.13662431072
4 √n
73.187424900848
5 √n
31.013385207757
1 , 2 , 4 , 7 , 14 , 28 , 173 , 346 , 692 , 1211 , 2422 , 4844 , 5923 , 11846 , 23692 , 41461 , 82922 , 165844 , 1024679 , 2049358 , 4098716 , 7172753 , 14345506 , 28691012
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28691011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28691012 can be divided by 24 positive divisors.
The sum of these divisors (counting 28691012) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101011100101001000100
3
Ternary
1222222122200002
4
Quaternary
1231130221010
5
Quinary
24321103022
6
Senary
2502540432
8
Octal
155345104
10
Decimal
28691012
12
Duodecimal
9737718
16
Hexadecimal
1b5ca44
20
Vigesimal
8j67ac
36
Base36
h2y4k
md5
dd9c7246c0c229f635dd0e19671cfdaf
sha1
92df765dffcd21f2489758ea11347dc6f063d89e
sha256
d0e2d1dfa2760db63b41729c6f5a6a9de3e458601786db9bb603962182f6ecb0
sha512
eb32de88881d236b5557e20363aa53305f90a66a5e85106bd1b41fa7e17f1232a7e596e2508bcd0c3c9ecc495ba539ba676547e317c359ddff6e3e8ffbb91f27
ripemd-160
2f35e325db5e840b2c8f90ea07e83c94a98e3817
Diameter
57382024
Circumference
180270945.04651
Area
2.5860779237904E+15
Volume
9.8929590325875E+22
Surface area
1.0344311695162E+16
Circumference
180270945.04651
Perimeter
114764048
Area
823174169584144
Diagonal
40575218.288609
Surface area
4939045017504864
Volume
2.3617699977629E+22
Space diagonal
49694290.504568
Perimeter
86073036
Area
3.5644487129951E+14
Altitude
24847145.252284
Surface area
3.5644487129951E+14
Volume
2.7833726350351E+21
Height
13525072.76287