28756444 is an even 8-digits composite number following 28756443
and preceding 28756445 . In scientific notation, it is written as 2.8756444 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 14359184 positive integers (up to 28756444) that are relatively prime to 28756444.
28756444 has 12 divisors, whose sum is 50390424
The reverse of 28756444 is 44465782
Previous prime number is 827
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million seven hundred fifty-six thousand four hundred forty-four
Scientific notation
2.8756444 × 10^7
Engineering notation
2.8756444 × 10^6
Prime Factorization
2 × 2 × 827 × 8693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14378222
Product of the distinct prime numbers
The prime factorization of 28756444 is 2 × 2 × 827 × 8693.
Since it has a total of 4 prime factors.
1 , 6 , 33 , 65 , 345 , 449 , 4399 , 7122 , 3343 , 32951 , 862629 , 763597 , 7031601 , 4194481 , 58208554 , 19586528 , 396660820 , 888438273 , 6413907111 , 1410891875
n×2
57512888
n×3
86269332
n×4
115025776
n×5
143782220
n÷2
14378222
n÷3
9585481.3333333
n÷3
7189111
n÷5
5751288.8
n2
826933071525136
n3
2.3779654563061E+22
n4
6.83818304782E+29
n5
1.9664182787638E+37
2 √n
5362.5035198124
3 √n
306.36917011481
4 √n
73.229116612263
5 √n
31.027517990463
1 , 2 , 4 , 827 , 1654 , 3308 , 8693 , 17386 , 34772 , 7189111 , 14378222 , 28756444
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28756443
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28756444 can be divided by 12 positive divisors.
The sum of these divisors (counting 28756444) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101101100100111011100
3
Ternary
2000002222102111
4
Quaternary
1231230213130
5
Quinary
24330201234
6
Senary
2504203404
8
Octal
155544734
10
Decimal
28756444
12
Duodecimal
9769564
16
Hexadecimal
1b6c9dc
20
Vigesimal
8jeb24
36
Base36
h4cm4
md5
a5d207ea21a63e4c5f3174664913d197
sha1
0717f2a63072f3500a2214b5fa9be07eee6488c3
sha256
2c36857c71a92678031f729c837c708001d07efd60c2877beb979dbf48893593
sha512
a84d4c64d17fa5c62b1a0dc37f384f1e69f467567a1ea70ffbf7523af26550f1e35c96932b2417ae9f702f2c9c30520fdaf47f465e7c60ef0f274806fbafd96a
ripemd-160
3fa2c4b3745a352e02d6f355b8c875ae721b44c7
Diameter
57512888
Circumference
180682066.42753
Area
2.5978868625138E+15
Volume
9.9607984106952E+22
Surface area
1.0391547450055E+16
Circumference
180682066.42753
Perimeter
115025776
Area
826933071525136
Diagonal
40667753.110422
Surface area
4961598429150816
Volume
2.3779654563061E+22
Space diagonal
49807622.053009
Perimeter
86269332
Area
3.5807252358513E+14
Altitude
24903811.026505
Surface area
3.5807252358513E+14
Volume
2.802459165969E+21
Height
13555917.703474