28995725 is an odd 8-digits composite number following 28995724
and preceding 28995726 . In scientific notation, it is written as 2.8995725 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 20851200 positive integers (up to 28995725) that are relatively prime to 28995725.
28995725 has 8 divisors, whose sum is 29428224
The reverse of 28995725 is 52759982
Previous prime number is 97
Is Prime? no Number parity odd Number length 8 Sum of Digits 47 Digital Root 2
Name
twenty-eight million nine hundred ninety-five thousand seven hundred twenty-five
Scientific notation
2.8995725 × 10^7
Engineering notation
2.8995725 × 10^6
Prime Factorization
275 × 97 × 1087
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
28995725 Product of the distinct prime numbers
The prime factorization of 28995725 is 275 × 97 × 1087.
Since it has a total of 3 prime factors.
2 , 1 , 96 , 81 , 301 , 550 , 6615 , 605 , 26543 , 46854 , 727790 , 995307 , 7051029 , 7513487 , 47115055 , 76530220 , 348251660 , 574926305 , 1954150266 , 122910833
n×2
57991450
n×3
86987175
n×4
115982900
n×5
144978625
n÷2
14497862.5
n÷3
9665241.6666667
n÷3
7248931.25
n÷5
5799145
n2
840752068275625
n3
2.4378215764901E+22
n4
7.0686404030974E+29
n5
2.049603532521E+37
2 √n5384.7678687201
3 √n307.21658509747
4 √n73.380977567215
5 √n31.078982679945
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-28995724 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28995725 can be divided by 8 positive divisors.
The sum of these divisors (counting 28995725) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100111000010001101
3
Ternary
2000120010122202
4
Quaternary
1232213002031
5
Quinary
24410330400
6
Senary
2513251245
8
Octal
156470215
10
Decimal
28995725
12
Duodecimal
9863b25
16
Hexadecimal
1ba708d
20
Vigesimal
914965
36
Base36
h9h8t
md5
920058a78e064e82f601979d67400ebe
sha1
f63d7ee0c4155b5ffdc6a4ce91ac085b4133a73a
sha256
8d1a087e6e88610cea905df9d43e05d532765e5418dd52e2d64e75bdbf6f00e6
sha512
ce0139c34069925900eebacfb71cbc59c9680fb559356acd1529d835afe1f226ef9145ba37139d23d611ce78b430a8848f835586a32c39afc5434f47b17a640c
ripemd-160
e76c35b5f8b254d89fc4d267d67c6352f01fb5d9
Diameter
57991450
Circumference
182185513.29102
Area
2.6413005211851E+15
Volume
1.0211523140619E+23
Surface area
1.0565202084741E+16
Circumference
182185513.29102
Perimeter
115982900
Area
840752068275625
Diagonal
41006147.545841
Surface area
5044512409653750
Volume
2.4378215764901E+22
Space diagonal
50222068.902295
Perimeter
86987175
Area
3.640563247055E+14
Altitude
25111034.451148
Surface area
3.640563247055E+14
Volume
2.8730002800984E+21
Height
13668715.848614