28129969 is an odd 8-digits composite number following 28129968
and preceding 28129970 . In scientific notation, it is written as 2.8129969 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 24111360 positive integers (up to 28129969) that are relatively prime to 28129969.
28129969 has 4 divisors, whose sum is 28704100
The reverse of 28129969 is 96992182
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million one hundred twenty-nine thousand nine hundred sixty-nine
Scientific notation
2.8129969 × 10^7
Engineering notation
2.8129969 × 10^6
Prime Factorization
49 × 574081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28129969
Product of the distinct prime numbers
The prime factorization of 28129969 is 49 × 574081.
Since it has a total of 2 prime factors.
6 , 6 , 83 , 45 , 554 , 487 , 7732 , 4074 , 10263 , 44805 , 475084 , 972893 , 9388066 , 666225 , 61210153 , 81424614 , 262021784 , 469448925 , 653522766 , 2409102902
n×2
56259938
n×3
84389907
n×4
112519876
n×5
140649845
n÷2
14064984.5
n÷3
9376656.3333333
n÷3
7032492.25
n÷5
5625993.8
n2
791295155940961
n3
2.2259108206469E+22
n4
6.2614802381563E+29
n5
1.7613524499345E+37
2 √n
5303.7693200214
3 √n
304.12800833099
4 √n
72.826982087832
5 √n
30.891133954327
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28129968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28129969 can be divided by 4 positive divisors.
The sum of these divisors (counting 28129969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011010011101010110001
3
Ternary
1221221011001201
4
Quaternary
1223103222301
5
Quinary
24200124334
6
Senary
2442531201
8
Octal
153235261
10
Decimal
28129969
12
Duodecimal
9506b01
16
Hexadecimal
1ad3ab1
20
Vigesimal
8fg4i9
36
Base36
gqx81
md5
b9ef0c3bf0437685fed7b60645a5b507
sha1
804f6f8f8c7b4384d05a8eea663e95d92c638aab
sha256
2f9090c912cd01f6a7b001c0b4ecd33c3b18a0d98cab203ab2eac8b95288527d
sha512
261a5ce5fe4700648f3292c17fce1d6cb1e8cc78cce667806bcbe11620aad7672ca838b0baa6b58de59b4ce43224aa8d77ceffd69252f9c91bfdee21738b0707
ripemd-160
5b2686e93210f4eae181396da7f8e88412b86db5
Diameter
56259938
Circumference
176745807.91222
Area
2.4859270487253E+15
Volume
9.3238734422539E+22
Surface area
9.9437081949013E+15
Circumference
176745807.91222
Perimeter
112519876
Area
791295155940961
Diagonal
39781783.668935
Surface area
4747770935645766
Volume
2.2259108206469E+22
Space diagonal
48722535.523337
Perimeter
84389907
Area
3.4264085346822E+14
Altitude
24361267.761669
Surface area
3.4264085346822E+14
Volume
2.6232610593266E+21
Height
13260594.556312