28856872 is an even 8-digits composite number following 28856871
and preceding 28856873 . In scientific notation, it is written as 2.8856872 × 10^7.
The sum of its digits is 46. It has a total of 6 prime factors and 32 positive divisors.
There are 12835840 positive integers (up to 28856872) that are relatively prime to 28856872.
28856872 has 32 divisors, whose sum is 60289920
The reverse of 28856872 is 27865882
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million eight hundred fifty-six thousand eight hundred seventy-two
Scientific notation
2.8856872 × 10^7
Engineering notation
2.8856872 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 47 × 6977
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7214218
Product of the distinct prime numbers
The prime factorization of 28856872 is 2 × 2 × 2 × 11 × 47 × 6977.
Since it has a total of 6 prime factors.
8 , 8 , 53 , 60 , 863 , 983 , 3739 , 5958 , 55504 , 47071 , 430321 , 355081 , 4065477 , 7312331 , 8402901 , 8421943 , 186477592 , 242654905 , 5386567726 , 6973323185
n×2
57713744
n×3
86570616
n×4
115427488
n×5
144284360
n÷2
14428436
n÷3
9618957.3333333
n÷3
7214218
n÷5
5771374.4
n2
832719061624384
n3
2.4029667373255E+22
n4
6.9342103559259E+29
n5
2.0009962066203E+37
2 √n
5371.859268447
3 √n
306.72540672741
4 √n
73.292968751764
5 √n
31.04915966318
1 , 2 , 4 , 8 , 11 , 22 , 44 , 47 , 88 , 94 , 188 , 376 , 517 , 1034 , 2068 , 4136 , 6977 , 13954 , 27908 , 55816 , 76747 , 153494 , 306988 , 327919 , 613976 , 655838 , 1311676 , 2623352 , 3607109 , 7214218 , 14428436 , 28856872
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28856871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28856872 can be divided by 32 positive divisors.
The sum of these divisors (counting 28856872) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110000101001000101000
3
Ternary
2000022002012001
4
Quaternary
1232011020220
5
Quinary
24341404442
6
Senary
2510300344
8
Octal
156051050
10
Decimal
28856872
12
Duodecimal
97b76b4
16
Hexadecimal
1b85228
20
Vigesimal
90723c
36
Base36
h6i3s
md5
368139a0e262e196605e37bb89221b5b
sha1
7041fb138c9ebfbec954af50b868732c5fd25601
sha256
7629e824ac889a34e7f840c295eb4e430b3ed52a22b707a622c6522590221224
sha512
df0baff769bee936575db8f8f8d6cbefb7f138a5a7845ff2b8b9911f2a43044f4fbaf833e6c1c9215e830ee4869076e5e891bd36427d6b057ed05db17d4048d7
ripemd-160
fd2428aeb059584d62d23a0ab2c9ee2ed4acad00
Diameter
57713744
Circumference
181313074.16156
Area
2.6160640865034E+15
Volume
1.0065523531737E+23
Surface area
1.0464256346013E+16
Circumference
181313074.16156
Perimeter
115427488
Area
832719061624384
Diagonal
40809779.750064
Surface area
4996314369746304
Volume
2.4029667373255E+22
Space diagonal
49981568.451512
Perimeter
86570616
Area
3.6057793079113E+14
Altitude
24990784.225756
Surface area
3.6057793079113E+14
Volume
2.8319234582143E+21
Height
13603259.916688