28931480 is an even 8-digits composite number following 28931479
and preceding 28931481 . In scientific notation, it is written as 2.8931480 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors.
There are 11572576 positive integers (up to 28931480) that are relatively prime to 28931480.
28931480 has 16 divisors, whose sum is 65095920
The reverse of 28931480 is 08413982
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million nine hundred thirty-one thousand four hundred eighty
Scientific notation
2.8931480 × 10^7
Engineering notation
2.8931480 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 723287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7232870
Product of the distinct prime numbers
The prime factorization of 28931480 is 2 × 2 × 2 × 5 × 723287.
Since it has a total of 5 prime factors.
5 , 5 , 74 , 63 , 291 , 140 , 4005 , 9030 , 25763 , 51976 , 248627 , 661716 , 1233006 , 5454609 , 30511158 , 81822069 , 219500175 , 439923577 , 70814915 , 3574910421
n×2
57862960
n×3
86794440
n×4
115725920
n×5
144657400
n÷2
14465740
n÷3
9643826.6666667
n÷3
7232870
n÷5
5786296
n2
837030534990400
n3
2.4216532182464E+22
n4
7.0062011650632E+29
n5
2.02699768883E+37
2 √n
5378.7991224808
3 √n
306.98952030916
4 √n
73.340296716613
5 √n
31.065198294946
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 723287 , 1446574 , 2893148 , 3616435 , 5786296 , 7232870 , 14465740 , 28931480
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
-28931479
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 28931480 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931480) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010110011000
3
Ternary
2000102212112022
4
Quaternary
1232113112120
5
Quinary
24401301410
6
Senary
2512034012
8
Octal
156272630
10
Decimal
28931480
12
Duodecimal
9832908
16
Hexadecimal
1b97598
20
Vigesimal
90g8e0
36
Base36
h83o8
md5
60011fea7a74106f4634606da8c8934d
sha1
08937f75dfd23a63c157bdcc03af6c7ff36b3faf
sha256
23f73bf838dda8d6c66e5ca0f52d3c5eb9bcc9185ec701b5a9c4cb8767ef99c5
sha512
844c8b1efa93625aef11b249d9059cb6f94aae1774a66b31ef35eaf1727b993bafe154001c9961f4cf880d6a5ef7033fd5408956970b69b93e261d8ea6bf730f
ripemd-160
003008054c8643c6542f82bd547815a0cfbf288f
Diameter
57862960
Circumference
181781850.05096
Area
2.6296089795562E+15
Volume
1.014379727998E+23
Surface area
1.0518435918225E+16
Circumference
181781850.05096
Perimeter
115725920
Area
837030534990400
Diagonal
40915291.395526
Surface area
5022183209942400
Volume
2.4216532182464E+22
Space diagonal
50110793.298163
Perimeter
86794440
Area
3.6244485352248E+14
Altitude
25055396.649081
Surface area
3.6244485352248E+14
Volume
2.8539456871738E+21
Height
13638430.465175