28957072 is an even 8-digits composite number following 28957071
and preceding 28957073 . In scientific notation, it is written as 2.8957072 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 20 positive divisors.
There are 14456448 positive integers (up to 28957072) that are relatively prime to 28957072.
28957072 has 20 divisors, whose sum is 56189980
The reverse of 28957072 is 27075982
Previous prime number is 1069
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million nine hundred fifty-seven thousand seventy-two
Scientific notation
2.8957072 × 10^7
Engineering notation
2.8957072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1069 × 1693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3619634
Product of the distinct prime numbers
The prime factorization of 28957072 is 2 × 2 × 2 × 2 × 1069 × 1693.
Since it has a total of 6 prime factors.
8 , 10 , 9 , 68 , 698 , 633 , 7987 , 3414 , 79052 , 9738 , 192265 , 420690 , 820473 , 2748968 , 4317895 , 11434870 , 628544432 , 858955205 , 9597512036 , 3383953714
n×2
57914144
n×3
86871216
n×4
115828288
n×5
144785360
n÷2
14478536
n÷3
9652357.3333333
n÷3
7239268
n÷5
5791414.4
n2
838512018813184
n3
2.4280852901639E+22
n4
7.0310240569416E+29
n5
2.0359786985059E+37
2 √n
5381.1775662953
3 √n
307.08001182451
4 √n
73.356510047134
5 √n
31.070692237202
1 , 2 , 4 , 8 , 16 , 1069 , 1693 , 2138 , 3386 , 4276 , 6772 , 8552 , 13544 , 17104 , 27088 , 1809817 , 3619634 , 7239268 , 14478536 , 28957072
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28957071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28957072 can be divided by 20 positive divisors.
The sum of these divisors (counting 28957072) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101110011101100110010000
3
Ternary
2000111011122011
4
Quaternary
1232131212100
5
Quinary
24403111242
6
Senary
2512352304
8
Octal
156354620
10
Decimal
28957072
12
Duodecimal
9845694
16
Hexadecimal
1b9d990
20
Vigesimal
90jcdc
36
Base36
h8nf4
md5
2a1978879533f1a7dd89eb8c2299d213
sha1
0f5f8bdb0a69b98542bdb115eadaff2bb41d104d
sha256
bab5ff42e4a6b864d9290f96dcacc6fb0fd6652e42d730d57123ed711b812c71
sha512
c6ce582c77de20926af1c83e88464bbcf0482f13aa9eb4c6f62394a6c506b5be838c84b16d4286389533079e3d301c6aeca1a1aa2f8971234797addd1fec7f21
ripemd-160
5cc10f6a761ac343fbc177f1cf348c6b2426140c
Diameter
57914144
Circumference
181942649.32934
Area
2.6342631982502E+15
Volume
1.0170739879824E+23
Surface area
1.0537052793001E+16
Circumference
181942649.32934
Perimeter
115828288
Area
838512018813184
Diagonal
40951483.949014
Surface area
5031072112879104
Volume
2.4280852901639E+22
Space diagonal
50155119.94243
Perimeter
86871216
Area
3.630863548354E+14
Altitude
25077559.971215
Surface area
3.630863548354E+14
Volume
2.8615259566236E+21
Height
13650494.649671