28231431 is an odd 8-digits composite number following 28231430
and preceding 28231432 . In scientific notation, it is written as 2.8231431 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 18820952 positive integers (up to 28231431) that are relatively prime to 28231431.
28231431 has 4 divisors, whose sum is 37641912
The reverse of 28231431 is 13413282
Previous prime number is 3
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 four hundred thirty-one
Scientific notation
2.8231431 × 10^7
Engineering notation
2.8231431 × 10^6
Prime Factorization
3 × 9410477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28231431
Product of the distinct prime numbers
The prime factorization of 28231431 is 3 × 9410477.
Since it has a total of 2 prime factors.
9 , 1 , 74 , 63 , 912 , 302 , 6546 , 7319 , 92265 , 47406 , 307507 , 304043 , 5353316 , 7724730 , 47865128 , 8283090 , 161981856 , 617396023 , 2703460265 , 4217442926
n×2
56462862
n×3
84694293
n×4
112925724
n×5
141157155
n÷2
14115715.5
n÷3
9410477
n÷3
7057857.75
n÷5
5646286.2
n2
797013696307761
n3
2.2500837173368E+22
n4
6.3523083210216E+29
n5
1.7933475405565E+37
2 √n
5313.3257946412
3 √n
304.49322274276
4 √n
72.892563369944
5 √n
30.913386122368
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28231430
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28231431 can be divided by 4 positive divisors.
The sum of these divisors (counting 28231431) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011101100011100000111
3
Ternary
1222010022020120
4
Quaternary
1223230130013
5
Quinary
24211401211
6
Senary
2445033023
8
Octal
153543407
10
Decimal
28231431
12
Duodecimal
9555773
16
Hexadecimal
1aec707
20
Vigesimal
8g8ibb
36
Base36
gt3if
md5
f1c77f9fed1c660302c80e7e7c1f0da5
sha1
fa3ce7d3140ab97d4619ed676a7f37aa4fa1dbf3
sha256
4c957f130e77237bc108f4d27d1792249fb465bffca22ce76d68526f356e51aa
sha512
bb77a6ad80b0258b872d982873f2e00e7cd36ea241c8ae570112db3cbc09cc208221216d9177aac3931e2654119584fde3d8eeffcce4837dd4b1cad3347746e0
ripemd-160
eeb2958a8aa6fbebdbd5419c9165bf47c8b8cbe0
Diameter
56462862
Circumference
177383312.45985
Area
2.5038923731309E+15
Volume
9.4251286351295E+22
Surface area
1.0015569492524E+16
Circumference
177383312.45985
Perimeter
112925724
Area
797013696307761
Diagonal
39925272.6054
Surface area
4782082177846566
Volume
2.2500837173368E+22
Space diagonal
48898272.862375
Perimeter
84694293
Area
3.4511705408333E+14
Altitude
24449136.431188
Surface area
3.4511705408333E+14
Volume
2.6517490912771E+21
Height
13308424.2018