28939902 is an even 8-digits composite number following 28939901
and preceding 28939903 . In scientific notation, it is written as 2.8939902 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 9630720 positive integers (up to 28939902) that are relatively prime to 28939902.
28939902 has 16 divisors, whose sum is 57975312
The reverse of 28939902 is 20993982
Previous prime number is 661
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million nine hundred thirty-nine thousand nine hundred two
Scientific notation
2.8939902 × 10^7
Engineering notation
2.8939902 × 10^6
Prime Factorization
2 × 3 × 661 × 7297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28939902
Product of the distinct prime numbers
The prime factorization of 28939902 is 2 × 3 × 661 × 7297.
Since it has a total of 4 prime factors.
10 , 3 , 39 , 76 , 138 , 950 , 5077 , 6503 , 10080 , 6410 , 55540 , 568138 , 8796574 , 6189688 , 37007576 , 69569507 , 499040530 , 48928615 , 4124116036 , 8746914544
n×2
57879804
n×3
86819706
n×4
115759608
n×5
144699510
n÷2
14469951
n÷3
9646634
n÷3
7234975.5
n÷5
5787980.4
n2
837517927769604
n3
2.4237686752895E+22
n4
7.0143627933549E+29
n5
2.0299497183214E+37
2 √n
5379.5819540184
3 √n
307.01930579891
4 √n
73.345633503422
5 √n
31.067006710145
1 , 2 , 3 , 6 , 661 , 1322 , 1983 , 3966 , 7297 , 14594 , 21891 , 43782 , 4823317 , 9646634 , 14469951 , 28939902
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
-28939901
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 28939902 can be divided by 16 positive divisors.
The sum of these divisors (counting 28939902) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110011001011001111110
3
Ternary
2000110022002020
4
Quaternary
1232121121332
5
Quinary
24402034102
6
Senary
2512141010
8
Octal
156313176
10
Decimal
28939902
12
Duodecimal
9837766
16
Hexadecimal
1b9967e
20
Vigesimal
90h9f2
36
Base36
h8a66
md5
11a8caf9b80b32f63eaf1de0b6c94c7a
sha1
d0cbeed214897514abb1da68552ec787408cfdcc
sha256
0761082e6e19084242d94f6e7241af601daff2dc40cede6c3b300a98a4c72d5f
sha512
826d79b0b8eb2705e36ee3147250e71b54e36b564583e7f78e307152e69de2f73245070ba753d8c9c7cd59a2d99ab87132bc82160ea99ba448e21b2ba353db43
ripemd-160
4ec39139de31dfbd06224f74fa162679c03a4354
Diameter
57879804
Circumference
181834767.03762
Area
2.6311401691307E+15
Volume
1.0152658485721E+23
Surface area
1.0524560676523E+16
Circumference
181834767.03762
Perimeter
115759608
Area
837517927769604
Diagonal
40927201.902148
Surface area
5025107566617624
Volume
2.4237686752895E+22
Space diagonal
50125380.630064
Perimeter
86819706
Area
3.6265590078669E+14
Altitude
25062690.315032
Surface area
3.6265590078669E+14
Volume
2.856438777208E+21
Height
13642400.634049