28931625 is an odd 8-digits composite number following 28931624
and preceding 28931626 . In scientific notation, it is written as 2.8931625 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 15429600 positive integers (up to 28931625) that are relatively prime to 28931625.
28931625 has 16 divisors, whose sum is 46909632
The reverse of 28931625 is 52613982
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million nine hundred thirty-one thousand six hundred twenty-five
Scientific notation
2.8931625 × 10^7
Engineering notation
2.8931625 × 10^6
Prime Factorization
75 × 3 × 5 × 25717
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931625
Product of the distinct prime numbers
The prime factorization of 28931625 is 75 × 3 × 5 × 25717.
Since it has a total of 4 prime factors.
3 , 2 , 86 , 51 , 90 , 23 , 5194 , 4516 , 50955 , 68562 , 648290 , 203598 , 7616195 , 3175237 , 84463393 , 78622649 , 819245024 , 912841776 , 6684192374 , 3465842885
n×2
57863250
n×3
86794875
n×4
115726500
n×5
144658125
n÷2
14465812.5
n÷3
9643875
n÷3
7232906.25
n÷5
5786325
n2
837038925140625
n3
2.4216896292572E+22
n4
7.0063416220057E+29
n5
2.0270484842976E+37
2 √n
5378.812601309
3 √n
306.99003316927
4 √n
73.340388608931
5 √n
31.065229433655
1 , 3 , 5 , 15 , 75 , 225 , 375 , 1125 , 25717 , 77151 , 128585 , 385755 , 1928775 , 5786325 , 9643875 , 28931625
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
-28931624
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 28931625 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931625) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111011000101001
3
Ternary
2000102212201200
4
Quaternary
1232113120221
5
Quinary
24401303000
6
Senary
2512034413
8
Octal
156273051
10
Decimal
28931625
12
Duodecimal
9832a09
16
Hexadecimal
1b97629
20
Vigesimal
90g915
36
Base36
h83s9
md5
8ecce9bdc23d1f97283502eb4862107c
sha1
ca32dcffa9f5959688d80201887861a5e4f64ed5
sha256
3a24d8f51ef769a36e80228a39c7d4c6f8798b2dc547b88790711e11602eddfc
sha512
f822efec3e6b98a829db90148494bf784ae4bace28986e556ab23d10951884c6ca762bd7fbbaf3dbbc6c45f74f681606a755720faed7df23176d8565d55bc923
ripemd-160
6839f5681c0049534ac161ab412e729caaf387a3
Diameter
57863250
Circumference
181782761.11283
Area
2.6296353379905E+15
Volume
1.0143949798065E+23
Surface area
1.0518541351962E+16
Circumference
181782761.11283
Perimeter
115726500
Area
837038925140625
Diagonal
40915496.456492
Surface area
5022233550843750
Volume
2.4216896292572E+22
Space diagonal
50111044.44553
Perimeter
86794875
Area
3.624484865641E+14
Altitude
25055522.222765
Surface area
3.624484865641E+14
Volume
2.8539885979615E+21
Height
13638498.818831