28931469 is an odd 8-digits composite number following 28931468
and preceding 28931470 . In scientific notation, it is written as 2.8931469 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 16497072 positive integers (up to 28931469) that are relatively prime to 28931469.
28931469 has 16 divisors, whose sum is 44179968
The reverse of 28931469 is 96413982
Previous prime number is 587
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million nine hundred thirty-one thousand four hundred sixty-nine
Scientific notation
2.8931469 × 10^7
Engineering notation
2.8931469 × 10^6
Prime Factorization
7 × 3 × 587 × 2347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931469
Product of the distinct prime numbers
The prime factorization of 28931469 is 7 × 3 × 587 × 2347.
Since it has a total of 4 prime factors.
9 , 2 , 32 , 77 , 824 , 331 , 6804 , 7713 , 89671 , 58674 , 947227 , 471168 , 5611550 , 4053683 , 82018281 , 58536047 , 931191385 , 993737380 , 6464507932 , 6494889372
n×2
57862938
n×3
86794407
n×4
115725876
n×5
144657345
n÷2
14465734.5
n÷3
9643823
n÷3
7232867.25
n÷5
5786293.8
n2
837029898497961
n3
2.4216504560467E+22
n4
7.0061905097951E+29
n5
2.0269938354223E+37
2 √n
5378.7980999476
3 √n
306.98948140246
4 √n
73.340289745457
5 √n
31.065195932694
1 , 3 , 7 , 21 , 587 , 1761 , 2347 , 4109 , 7041 , 12327 , 16429 , 49287 , 1377689 , 4133067 , 9643823 , 28931469
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
-28931468
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 28931469 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931469) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010110001101
3
Ternary
2000102212111220
4
Quaternary
1232113112031
5
Quinary
24401301334
6
Senary
2512033553
8
Octal
156272615
10
Decimal
28931469
12
Duodecimal
98328b9
16
Hexadecimal
1b9758d
20
Vigesimal
90g8d9
36
Base36
h83nx
md5
925b7a54c20f716c2b6e13d60fa29a09
sha1
8d3934d0e8d1f84a69afd3aae21341ad57b7775e
sha256
4bf21342f8949cd1b64a579fabab40af997aec8bd511b38382bcaadf7f8224cc
sha512
df805ef59e71466d69458958e6a749944f4927eed49b486a77f1054b5682fda27a5f0eb8179052a23961c7dc454fc51058b103c8cf46102a8ddf58fb1c7c1ae1
ripemd-160
574f57cd0bce5b6008e0ea286ed05277951bb865
Diameter
57862938
Circumference
181781780.93592
Area
2.6296069799562E+15
Volume
1.0143785709705E+23
Surface area
1.0518427919825E+16
Circumference
181781780.93592
Perimeter
115725876
Area
837029898497961
Diagonal
40915275.839177
Surface area
5022179390987766
Volume
2.4216504560467E+22
Space diagonal
50110774.245604
Perimeter
86794407
Area
3.6244457791317E+14
Altitude
25055387.122802
Surface area
3.6244457791317E+14
Volume
2.8539424318902E+21
Height
13638425.279726