28743856 is an even 8-digits composite number following 28743855
and preceding 28743857 . In scientific notation, it is written as 2.8743856 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors.
There are 14127872 positive integers (up to 28743856) that are relatively prime to 28743856.
28743856 has 20 divisors, whose sum is 56637000
The reverse of 28743856 is 65834782
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million seven hundred forty-three thousand eight hundred fifty-six
Scientific notation
2.8743856 × 10^7
Engineering notation
2.8743856 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 59 × 30449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3592982
Product of the distinct prime numbers
The prime factorization of 28743856 is 2 × 2 × 2 × 2 × 59 × 30449.
Since it has a total of 6 prime factors.
2 , 1 , 87 , 72 , 591 , 440 , 5708 , 663 , 98268 , 64310 , 956623 , 271813 , 9714627 , 9537504 , 25043197 , 82264205 , 188620615 , 386623389 , 3448807723 , 796956099
n×2
57487712
n×3
86231568
n×4
114975424
n×5
143719280
n÷2
14371928
n÷3
9581285.3333333
n÷3
7185964
n÷5
5748771.2
n2
826209257748736
n3
2.3748439930597E+22
n4
6.8262173758972E+29
n5
1.9621180927749E+37
2 √n
5361.3296858149
3 √n
306.32445969579
4 √n
73.221101369857
5 √n
31.024801084275
1 , 2 , 4 , 8 , 16 , 59 , 118 , 236 , 472 , 944 , 30449 , 60898 , 121796 , 243592 , 487184 , 1796491 , 3592982 , 7185964 , 14371928 , 28743856
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
-28743855
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 28743856 can be divided by 20 positive divisors.
The sum of these divisors (counting 28743856) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101101101001100010110000
3
Ternary
2000002100011021
4
Quaternary
1231221202300
5
Quinary
24324300411
6
Senary
2504025224
8
Octal
155514260
10
Decimal
28743856
12
Duodecimal
9762214
16
Hexadecimal
1b698b0
20
Vigesimal
8jcjcg
36
Base36
h42wg
md5
8b084a687dd25782e79517927bd9c796
sha1
4168ace2911947b8eb9484608a3f8ae36de258e7
sha256
161eb926e1d208ce578321fde5a3d57bd1fff799b9b46a1e5b7151a2c4fc5070
sha512
0a95b4240525c03664d5851609932e996a2a7f21697a80c1841efefd19b19b9a6e1bfb48878a8aeb4eceb4e2ee521e4d0c84fde75c41c266ec6ee011f034db7a
ripemd-160
6b0b44c70b649b6541745be2f92b7bb87713ffea
Diameter
57487712
Circumference
180602973.69089
Area
2.5956129344713E+15
Volume
9.9477232560241E+22
Surface area
1.0382451737885E+16
Circumference
180602973.69089
Perimeter
114975424
Area
826209257748736
Diagonal
40649950.990099
Surface area
4957255546492416
Volume
2.3748439930597E+22
Space diagonal
49785818.997444
Perimeter
86231568
Area
3.5775910302615E+14
Altitude
24892909.498722
Surface area
3.5775910302615E+14
Volume
2.7987804862544E+21
Height
13549983.663366