28939938 is an even 8-digits composite number following 28939937
and preceding 28939939 . In scientific notation, it is written as 2.8939938 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 9595760 positive integers (up to 28939938) that are relatively prime to 28939938.
28939938 has 16 divisors, whose sum is 58185216
The reverse of 28939938 is 83993982
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million nine hundred thirty-nine thousand nine hundred thirty-eight
Scientific notation
2.8939938 × 10^7
Engineering notation
2.8939938 × 10^6
Prime Factorization
2 × 3 × 191 × 25253
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28939938
Product of the distinct prime numbers
The prime factorization of 28939938 is 2 × 3 × 191 × 25253.
Since it has a total of 4 prime factors.
6 , 8 , 5 , 34 , 580 , 112 , 2356 , 948 , 5467 , 66556 , 874167 , 824152 , 2414995 , 6053401 , 14285426 , 80770859 , 99323058 , 564159852 , 8507198659 , 8152556572
n×2
57879876
n×3
86819814
n×4
115759752
n×5
144699690
n÷2
14469969
n÷3
9646646
n÷3
7234984.5
n÷5
5787987.6
n2
837520011443844
n3
2.4237777204944E+22
n4
7.014397695689E+29
n5
2.0299623442058E+37
2 √n
5379.5853000022
3 √n
307.01943310515
4 √n
73.345656313119
5 √n
31.067014439347
1 , 2 , 3 , 6 , 191 , 382 , 573 , 1146 , 25253 , 50506 , 75759 , 151518 , 4823323 , 9646646 , 14469969 , 28939938
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
-28939937
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 28939938 can be divided by 16 positive divisors.
The sum of these divisors (counting 28939938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110011001011010100010
3
Ternary
2000110022010120
4
Quaternary
1232121122202
5
Quinary
24402034223
6
Senary
2512141110
8
Octal
156313242
10
Decimal
28939938
12
Duodecimal
9837796
16
Hexadecimal
1b996a2
20
Vigesimal
90h9gi
36
Base36
h8a76
md5
c95720ab305bbc19d7db852e4555350d
sha1
0ce2892b2433d2c04bd53697723c44a554968dc9
sha256
291c9a56fef69cc157d031524593d0204fecd1f02af2d6dff5d387ea6150a64c
sha512
45cc74f4f1d959418e7c7a20b8894b81eb8e65704aa8ab00bd6bf177708602ceb6e4ea64ddd8b08d7541239c45f4573223cbac070627f00939b35a2072a0da2f
ripemd-160
b1ab5a8df737177c71176f2b3db14fd2a4b15598
Diameter
57879876
Circumference
181834993.23229
Area
2.6311467151864E+15
Volume
1.0152696374186E+23
Surface area
1.0524586860746E+16
Circumference
181834993.23229
Perimeter
115759752
Area
837520011443844
Diagonal
40927252.813837
Surface area
5025120068663064
Volume
2.4237777204944E+22
Space diagonal
50125442.983893
Perimeter
86819814
Area
3.626568030441E+14
Altitude
25062721.491947
Surface area
3.626568030441E+14
Volume
2.8564494370841E+21
Height
13642417.604612