28756688 is an even 8-digits composite number following 28756687
and preceding 28756689 . In scientific notation, it is written as 2.8756688 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 10 positive divisors.
There are 14378336 positive integers (up to 28756688) that are relatively prime to 28756688.
28756688 has 10 divisors, whose sum is 55716114
The reverse of 28756688 is 88665782
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million seven hundred fifty-six thousand six hundred eighty-eight
Scientific notation
2.8756688 × 10^7
Engineering notation
2.8756688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1797293
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3594586
Product of the distinct prime numbers
The prime factorization of 28756688 is 2 × 2 × 2 × 2 × 1797293.
Since it has a total of 5 prime factors.
4 , 7 , 17 , 51 , 425 , 988 , 4368 , 8637 , 62885 , 68654 , 432291 , 396167 , 5646846 , 6984851 , 7170064 , 35256657 , 412025035 , 395340042 , 2434598386 , 1074144765
n×2
57513376
n×3
86270064
n×4
115026752
n×5
143783440
n÷2
14378344
n÷3
9585562.6666667
n÷3
7189172
n÷5
5751337.6
n2
826947104729344
n3
2.3780259883205E+22
n4
6.8384151402024E+29
n5
1.9665017060128E+37
2 √n
5362.5262703319
3 √n
306.37003663209
4 √n
73.229271950033
5 √n
31.027570644322
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28756687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28756688 can be divided by 10 positive divisors.
The sum of these divisors (counting 28756688) is 1, the average is 0.1.
Base
System
Value
2
Binary
1101101101100101011010000
3
Ternary
2000002222202112
4
Quaternary
1231230223100
5
Quinary
24330203223
6
Senary
2504204452
8
Octal
155545320
10
Decimal
28756688
12
Duodecimal
9769728
16
Hexadecimal
1b6cad0
20
Vigesimal
8jebe8
36
Base36
h4csw
md5
1c941dc8587ef0ed562e62d068cda2a2
sha1
ffc4e02a5db7c988dde967a9d77fd2c6360c00e5
sha256
bd4cef5e12047c00272a3002fe258b48b2027dc0be80514fb22847d7d56b4693
sha512
0e315da4a6288f68992cb49f402526df0211fe7c29e746807566e357968313a787881635abda724277ffd599df3eb15cf4a2c86f8c2fb54bb89038770886e05c
ripemd-160
54594aff01217b75af48b7006b1e201937631637
Diameter
57513376
Circumference
180683599.52475
Area
2.5979309491251E+15
Volume
9.9610519666044E+22
Surface area
1.03917237965E+16
Circumference
180683599.52475
Perimeter
115026752
Area
826947104729344
Diagonal
40668098.178532
Surface area
4961682628376064
Volume
2.3780259883205E+22
Space diagonal
49808044.673406
Perimeter
86270064
Area
3.580786001408E+14
Altitude
24904022.336703
Surface area
3.580786001408E+14
Volume
2.8025305036321E+21
Height
13556032.726177