28797890 is an even 8-digits composite number following 28797889
and preceding 28797891 . In scientific notation, it is written as 2.8797890 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 10471920 positive integers (up to 28797890) that are relatively prime to 28797890.
28797890 has 16 divisors, whose sum is 56548800
The reverse of 28797890 is 09879782
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million seven hundred ninety-seven thousand eight hundred ninety
Scientific notation
2.8797890 × 10^7
Engineering notation
2.8797890 × 10^6
Prime Factorization
2 × 5 × 11 × 261799
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28797890
Product of the distinct prime numbers
The prime factorization of 28797890 is 2 × 5 × 11 × 261799.
Since it has a total of 4 prime factors.
3 , 8 , 23 , 28 , 687 , 154 , 8407 , 406 , 76625 , 38555 , 214183 , 375921 , 8985272 , 2374716 , 17564338 , 33268701 , 290518707 , 98063141 , 8282288320 , 9698490460
n×2
57595780
n×3
86393670
n×4
115191560
n×5
143989450
n÷2
14398945
n÷3
9599296.6666667
n÷3
7199472.5
n÷5
5759578
n2
829318468452100
n3
2.3882622029452E+22
n4
6.8776912211574E+29
n5
1.9806299524086E+37
2 √n
5366.3665547556
3 √n
306.51628706672
4 √n
73.255488222765
5 √n
31.036456688012
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 261799 , 523598 , 1308995 , 2617990 , 2879789 , 5759578 , 14398945 , 28797890
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
-28797889
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 28797890 can be divided by 16 positive divisors.
The sum of these divisors (counting 28797890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101110110101111000010
3
Ternary
2000012002021112
4
Quaternary
1231312233002
5
Quinary
24333013030
6
Senary
2505123322
8
Octal
155665702
10
Decimal
28797890
12
Duodecimal
9789542
16
Hexadecimal
1b76bc2
20
Vigesimal
8jjeea
36
Base36
h58le
md5
a2380ea4046d3f4285e4c46e28920396
sha1
9e48d78fd8a522aaf175e12a40e101efbca95c4e
sha256
2e9427593ba160f4acfc8e9754bb78e50a278b91259c80ac2bd624262bdc9873
sha512
db2d93f0f43b407cdff9dc07f0354646f0b7db13886358fc5b4becb10caa3d0eff7376ea7d13cf34a61baaa01974940090bd9474ca7271300464b9e15756b8f3
ripemd-160
03fed3a92fc816186256b313bc5bf3184bae17a2
Diameter
57595780
Circumference
180942479.32577
Area
2.6053808079755E+15
Volume
1.0003929322158E+23
Surface area
1.0421523231902E+16
Circumference
180942479.32577
Perimeter
115191560
Area
829318468452100
Diagonal
40726366.605729
Surface area
4975910810712600
Volume
2.3882622029452E+22
Space diagonal
49879408.63078
Perimeter
86393670
Area
3.5910543075356E+14
Altitude
24939704.31539
Surface area
3.5910543075356E+14
Volume
2.8145939982568E+21
Height
13575455.535243