28931525 is an odd 8-digits composite number following 28931524
and preceding 28931526 . In scientific notation, it is written as 2.8931525 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 19195200 positive integers (up to 28931525) that are relatively prime to 28931525.
28931525 has 16 divisors, whose sum is 35503104
The reverse of 28931525 is 52513982
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million nine hundred thirty-one thousand five hundred twenty-five
Scientific notation
2.8931525 × 10^7
Engineering notation
2.8931525 × 10^6
Prime Factorization
25 × 7 × 31 × 5333
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931525
Product of the distinct prime numbers
The prime factorization of 28931525 is 25 × 7 × 31 × 5333.
Since it has a total of 4 prime factors.
9 , 4 , 99 , 6 , 382 , 851 , 1069 , 9218 , 51621 , 30920 , 422879 , 258162 , 3705255 , 1799855 , 63953402 , 69048170 , 325533295 , 531650349 , 640129607 , 6090108200
n×2
57863050
n×3
86794575
n×4
115726100
n×5
144657625
n÷2
14465762.5
n÷3
9643841.6666667
n÷3
7232881.25
n÷5
5786305
n2
837033138825625
n3
2.4216645181762E+22
n4
7.0062447549228E+29
n5
2.0270134528317E+37
2 √n
5378.803305569
3 √n
306.98967947282
4 √n
73.340325234955
5 √n
31.065207958697
1 , 7 , 25 , 31 , 175 , 217 , 775 , 5333 , 5425 , 37331 , 133325 , 165323 , 933275 , 1157261 , 4133075 , 28931525
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
-28931524
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 28931525 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931525) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010111000101
3
Ternary
2000102212120222
4
Quaternary
1232113113011
5
Quinary
24401302100
6
Senary
2512034125
8
Octal
156272705
10
Decimal
28931525
12
Duodecimal
9832945
16
Hexadecimal
1b975c5
20
Vigesimal
90g8g5
36
Base36
h83ph
md5
a81b4c28f5f5d3e01491e7e06ad0175c
sha1
46bf9bb634aa2154528e0aa6bd531c1eb76e272a
sha256
d32b8fafd5ce588cf91787ddf0fd1b1cda71ae5fe3a92cd58bd042dacb1a553b
sha512
f7b85de2c85a5d9538051eac24f97f5f59ab0b59f89fc67873946d57970b6ed5b68a24fd556e17662787bdaad93790e3a7a6451c52942d93ff05b8937bb6baf2
ripemd-160
e867e9bfe6790dd2763d6ff6b14f38775415cc3a
Diameter
57863050
Circumference
181782132.7943
Area
2.6296171597458E+15
Volume
1.0143844613015E+23
Surface area
1.0518468638983E+16
Circumference
181782132.7943
Perimeter
115726100
Area
837033138825625
Diagonal
40915355.035136
Surface area
5022198832953750
Volume
2.4216645181762E+22
Space diagonal
50110871.240449
Perimeter
86794575
Area
3.6244598101621E+14
Altitude
25055435.620225
Surface area
3.6244598101621E+14
Volume
2.8539590042687E+21
Height
13638451.678379