28291239 is an odd 8-digits composite number following 28291238
and preceding 28291240 . In scientific notation, it is written as 2.8291239 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors.
There are 18860820 positive integers (up to 28291239) that are relatively prime to 28291239.
28291239 has 6 divisors, whose sum is 40865136
The reverse of 28291239 is 93219282
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million two hundred ninety-one thousand two hundred thirty-nine
Scientific notation
2.8291239 × 10^7
Engineering notation
2.8291239 × 10^6
Prime Factorization
3 × 3 × 3143471
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9430413
Product of the distinct prime numbers
The prime factorization of 28291239 is 3 × 3 × 3143471.
Since it has a total of 3 prime factors.
8 , 10 , 57 , 38 , 946 , 969 , 1739 , 4377 , 65849 , 18055 , 563771 , 991663 , 542134 , 7178508 , 35224939 , 91564407 , 880507809 , 528471024 , 6499144275 , 9672934827
n×2
56582478
n×3
84873717
n×4
113164956
n×5
141456195
n÷2
14145619.5
n÷3
9430413
n÷3
7072809.75
n÷5
5658247.8
n2
800394204155121
n3
2.2644143723967E+22
n4
6.4063088204511E+29
n5
1.8124241394719E+37
2 √n
5318.9509303997
3 √n
304.70809301445
4 √n
72.931138277143
5 √n
30.926472976255
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28291238
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291239 can be divided by 6 positive divisors.
The sum of these divisors (counting 28291239) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101011111011000010100111
3
Ternary
1222020100021200
4
Quaternary
1223323002213
5
Quinary
24220304424
6
Senary
2450213543
8
Octal
153730247
10
Decimal
28291239
12
Duodecimal
95842b3
16
Hexadecimal
1afb0a7
20
Vigesimal
8gg81j
36
Base36
gudnr
md5
07533624a80e07e6f6a0723cac2e6b72
sha1
25e745a771853147910ab79a8c1b74837c6861da
sha256
a467f8bf70523a1ad147aa3a8ff4a0f58dce05e6f789d6a2052d059613842a95
sha512
e6b521eb23fb601641565c2f6333faae8f21a81c34ec5ab867619e16634e71bd60a65212d6a289ec393d2726b6acf10f29c9e00b4c4c4ea03540df34e87da8f3
ripemd-160
8a85c5a5c2c8d3cd3a2ec7f82a040f7f871bfa78
Diameter
56582478
Circumference
177759097.20671
Area
2.5145125517496E+15
Volume
9.485156742673E+22
Surface area
1.0058050206998E+16
Circumference
177759097.20671
Perimeter
113164956
Area
800394204155121
Diagonal
40009853.890139
Surface area
4802365224930726
Volume
2.2644143723967E+22
Space diagonal
49001863.357074
Perimeter
84873717
Area
3.4658085692008E+14
Altitude
24500931.678537
Surface area
3.4658085692008E+14
Volume
2.66863793023E+21
Height
13336617.96338