28231305 is an odd 8-digits composite number following 28231304
and preceding 28231306 . In scientific notation, it is written as 2.8231305 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 14170880 positive integers (up to 28231305) that are relatively prime to 28231305.
28231305 has 16 divisors, whose sum is 47827584
The reverse of 28231305 is 50313282
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-eight million two hundred thirty-one thousand three hundred five
Scientific notation
2.8231305 × 10^7
Engineering notation
2.8231305 × 10^6
Prime Factorization
3 × 5 × 17 × 110711
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28231305
Product of the distinct prime numbers
The prime factorization of 28231305 is 3 × 5 × 17 × 110711.
Since it has a total of 4 prime factors.
1 , 6 , 66 , 60 , 635 , 893 , 470 , 7819 , 71749 , 59104 , 430063 , 665809 , 4788213 , 8629577 , 64402776 , 45457989 , 618806807 , 547558395 , 4912232443 , 6510456555
n×2
56462610
n×3
84693915
n×4
112925220
n×5
141156525
n÷2
14115652.5
n÷3
9410435
n÷3
7057826.25
n÷5
5646261
n2
797006582003025
n3
2.2500535903535E+22
n4
6.3521949175614E+29
n5
1.7933075213713E+37
2 √n
5313.3139376476
3 √n
304.49276974644
4 √n
72.892482037914
5 √n
30.913358528346
1 , 3 , 5 , 15 , 17 , 51 , 85 , 255 , 110711 , 332133 , 553555 , 1660665 , 1882087 , 5646261 , 9410435 , 28231305
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
-28231304
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 28231305 can be divided by 16 positive divisors.
The sum of these divisors (counting 28231305) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011101100011010001001
3
Ternary
1222010022001220
4
Quaternary
1223230122021
5
Quinary
24211400210
6
Senary
2445032253
8
Octal
153543211
10
Decimal
28231305
12
Duodecimal
9555689
16
Hexadecimal
1aec689
20
Vigesimal
8g8i55
36
Base36
gt3ex
md5
8dc99fe4897bcf0fc59bab45d55862b2
sha1
4b34af5fa46f7e395935aacae057f597ed53480d
sha256
16719136cf19100590600f23f5bd279b2015b4335bc8c43cd547a4725b279b05
sha512
f77092e74acd8d5bb8212dd31f80617c2ef7bc64176b3c33043d4f2467d0bac87c6446c6c9467e7578e0352ded4bbb8695a2ffd8548cea25f4809c481faadebd
ripemd-160
2f3561c485202f177064349581190c9458521ef5
Diameter
56462610
Circumference
177382520.77851
Area
2.5038700228834E+15
Volume
9.4250024395172E+22
Surface area
1.0015480091534E+16
Circumference
177382520.77851
Perimeter
112925220
Area
797006582003025
Diagonal
39925094.414491
Surface area
4782039492018150
Volume
2.2500535903535E+22
Space diagonal
48898054.623973
Perimeter
84693915
Area
3.4511397349901E+14
Altitude
24449027.311987
Surface area
3.4511397349901E+14
Volume
2.6517135862868E+21
Height
13308364.80483