28956872 is an even 8-digits composite number following 28956871
and preceding 28956873 . In scientific notation, it is written as 2.8956872 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors.
There are 12410064 positive integers (up to 28956872) that are relatively prime to 28956872.
28956872 has 16 divisors, whose sum is 62050560
The reverse of 28956872 is 27865982
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million nine hundred fifty-six thousand eight hundred seventy-two
Scientific notation
2.8956872 × 10^7
Engineering notation
2.8956872 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 517087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7239218
Product of the distinct prime numbers
The prime factorization of 28956872 is 2 × 2 × 2 × 7 × 517087.
Since it has a total of 5 prime factors.
1 , 8 , 89 , 36 , 856 , 208 , 6123 , 7588 , 40627 , 23592 , 622908 , 444561 , 6225713 , 7188562 , 99283218 , 31941500 , 283676935 , 53263237 , 4255553236 , 8640399860
n×2
57913744
n×3
86870616
n×4
115827488
n×5
144784360
n÷2
14478436
n÷3
9652290.6666667
n÷3
7239218
n÷5
5791374.4
n2
838500436024384
n3
2.4280349797902E+22
n4
7.0308298121308E+29
n5
2.0359083892366E+37
2 √n
5381.1589829701
3 √n
307.0793048453
4 √n
73.356383382567
5 √n
31.070649317424
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 517087 , 1034174 , 2068348 , 3619609 , 4136696 , 7239218 , 14478436 , 28956872
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
-28956871
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 28956872 can be divided by 16 positive divisors.
The sum of these divisors (counting 28956872) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110011101100011001000
3
Ternary
2000111011100202
4
Quaternary
1232131203020
5
Quinary
24403104442
6
Senary
2512351332
8
Octal
156354310
10
Decimal
28956872
12
Duodecimal
9845548
16
Hexadecimal
1b9d8c8
20
Vigesimal
90jc3c
36
Base36
h8n9k
md5
153746ed16dd7faf44b6ca1985929c7e
sha1
2f078da913a20b70a86851c0551ac93de8a98e4d
sha256
8a7ba4e0dc3e8a971b565f0c907e4cc75031a06f896d538383c0404a672757ef
sha512
2d42af36935628b5fe82112e3dfc811cefe4020fa7470037640e7d2db7a8e886a050eef4a46cb4e6a2d6bd16ebfae15dfce050fbf74dddde77092d66f1066cb9
ripemd-160
63cde7a3a066ba159d9e4bb3b9f3b352b9f2cfa3
Diameter
57913744
Circumference
181941392.69228
Area
2.634226809846E+15
Volume
1.0170529140224E+23
Surface area
1.0536907239384E+16
Circumference
181941392.69228
Perimeter
115827488
Area
838500436024384
Diagonal
40951201.106302
Surface area
5031002616146304
Volume
2.4280349797902E+22
Space diagonal
50154773.532269
Perimeter
86870616
Area
3.6308133934072E+14
Altitude
25077386.766134
Surface area
3.6308133934072E+14
Volume
2.8614666652797E+21
Height
13650400.368767