28231505 is an odd 8-digits composite number following 28231504
and preceding 28231506 . In scientific notation, it is written as 2.8231505 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 22566016 positive integers (up to 28231505) that are relatively prime to 28231505.
28231505 has 8 divisors, whose sum is 33906600
The reverse of 28231505 is 50513282
Previous prime number is 2729
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-eight million two hundred thirty-one thousand five hundred five
Scientific notation
2.8231505 × 10^7
Engineering notation
2.8231505 × 10^6
Prime Factorization
5 × 2729 × 2069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28231505
Product of the distinct prime numbers
The prime factorization of 28231505 is 5 × 2729 × 2069.
Since it has a total of 3 prime factors.
1 , 7 , 55 , 20 , 560 , 150 , 1709 , 9162 , 62080 , 21797 , 281316 , 441380 , 1679461 , 20296 , 12386680 , 94607616 , 316239677 , 913030083 , 7576361631 , 8285418360
n×2
56463010
n×3
84694515
n×4
112926020
n×5
141157525
n÷2
14115752.5
n÷3
9410501.6666667
n÷3
7057876.25
n÷5
5646301
n2
797017874565025
n3
2.2501014110872E+22
n4
6.3523749237615E+29
n5
1.7933710442205E+37
2 √n
5313.3327582601
3 √n
304.49348878759
4 √n
72.892611136247
5 √n
30.913402328335
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28231504
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28231505 can be divided by 8 positive divisors.
The sum of these divisors (counting 28231505) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011101100011101010001
3
Ternary
1222010022100022
4
Quaternary
1223230131101
5
Quinary
24211402010
6
Senary
2445033225
8
Octal
153543521
10
Decimal
28231505
12
Duodecimal
9555815
16
Hexadecimal
1aec751
20
Vigesimal
8g8if5
36
Base36
gt3kh
md5
0d264a203d5383cf4f7394102cf1a842
sha1
8635e5b620daf7aaebccf0e9bf53d7aab11f033e
sha256
fc1811b20dee797849db7b7c13cc4771304b65680b4e8851d03aac45650107c2
sha512
6c6739f1077d902adbb258c0ec538850dc24e411697e968f6d8b3efe95dec94c7bd75b2351e022f20ac06901544de1feb13a65e01d083bd5060ee7f0c6aa9a12
ripemd-160
7286c53f8d3bb87bdd0c22d6f4790c633e1cde96
Diameter
56463010
Circumference
177383777.41557
Area
2.5039054995132E+15
Volume
9.425202750538E+22
Surface area
1.0015621998053E+16
Circumference
177383777.41557
Perimeter
112926020
Area
797017874565025
Diagonal
39925377.257204
Surface area
4782107247390150
Volume
2.2501014110872E+22
Space diagonal
48898401.034135
Perimeter
84694515
Area
3.451188633218E+14
Altitude
24449200.517067
Surface area
3.451188633218E+14
Volume
2.6517699435619E+21
Height
13308459.085735