28931874 is an even 8-digits composite number following 28931873
and preceding 28931875 . In scientific notation, it is written as 2.8931874 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 9570080 positive integers (up to 28931874) that are relatively prime to 28931874.
28931874 has 16 divisors, whose sum is 58307040
The reverse of 28931874 is 47813982
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million nine hundred thirty-one thousand eight hundred seventy-four
Scientific notation
2.8931874 × 10^7
Engineering notation
2.8931874 × 10^6
Prime Factorization
2 × 3 × 131 × 36809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931874
Product of the distinct prime numbers
The prime factorization of 28931874 is 2 × 3 × 131 × 36809.
Since it has a total of 4 prime factors.
1 , 6 , 37 , 29 , 751 , 397 , 3885 , 4958 , 83053 , 36083 , 153794 , 274667 , 1314228 , 3668548 , 77244160 , 18887038 , 516534915 , 660351742 , 7656475770 , 2852947456
n×2
57863748
n×3
86795622
n×4
115727496
n×5
144659370
n÷2
14465937
n÷3
9643958
n÷3
7232968.5
n÷5
5786374.8
n2
837053333151876
n3
2.421752156603E+22
n4
7.0065828254067E+29
n5
2.0271357147523E+37
2 √n
5378.8357476316
3 √n
306.99091386987
4 √n
73.340546409416
5 √n
31.065282906044
1 , 2 , 3 , 6 , 131 , 262 , 393 , 786 , 36809 , 73618 , 110427 , 220854 , 4821979 , 9643958 , 14465937 , 28931874
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
-28931873
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 28931874 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931874) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111011100100010
3
Ternary
2000102220001220
4
Quaternary
1232113130202
5
Quinary
24401304444
6
Senary
2512035510
8
Octal
156273442
10
Decimal
28931874
12
Duodecimal
9832b96
16
Hexadecimal
1b97722
20
Vigesimal
90g9de
36
Base36
h83z6
md5
9185c033a5335a93e7b44a87a3c69f8d
sha1
e607984ff15e3b884adda44e1972c8f202fcb3a2
sha256
b62b23dbddc4982bcdc310d7708dc01cb9cbf224f289884e79d6a87630b82634
sha512
4d50c25a8c3d2475127a26dd61b76a6f49998c4ee9100f3113b37b2f8c73409bcd310b70266484729d8e8e6deb691ab7621a6e2a94d59c7a81fb9035e37be356
ripemd-160
152eaad92d46b695ca9ab6e63f40d3ec7be4583c
Diameter
57863748
Circumference
181784325.62597
Area
2.6296806020928E+15
Volume
1.0144211711999E+23
Surface area
1.0518722408371E+16
Circumference
181784325.62597
Perimeter
115727496
Area
837053333151876
Diagonal
40915848.59567
Surface area
5022319998911256
Volume
2.421752156603E+22
Space diagonal
50111475.726181
Perimeter
86795622
Area
3.6245472541598E+14
Altitude
25055737.863091
Surface area
3.6245472541598E+14
Volume
2.8540622871452E+21
Height
13638616.198557