28931664 is an even 8-digits composite number following 28931663
and preceding 28931665 . In scientific notation, it is written as 2.8931664 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors.
There are 9643872 positive integers (up to 28931664) that are relatively prime to 28931664.
28931664 has 20 divisors, whose sum is 74740256
The reverse of 28931664 is 46613982
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million nine hundred thirty-one thousand six hundred sixty-four
Scientific notation
2.8931664 × 10^7
Engineering notation
2.8931664 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 602743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3616458
Product of the distinct prime numbers
The prime factorization of 28931664 is 2 × 2 × 2 × 2 × 3 × 602743.
Since it has a total of 6 prime factors.
9 , 3 , 1 , 13 , 618 , 916 , 7350 , 3205 , 61397 , 30037 , 367182 , 615338 , 8620210 , 6319350 , 8639862 , 31037155 , 803287827 , 868822300 , 3560618779 , 2211613777
n×2
57863328
n×3
86794992
n×4
115726656
n×5
144658320
n÷2
14465832
n÷3
9643888
n÷3
7232916
n÷5
5786332.8
n2
837041181808896
n3
2.4216994226258E+22
n4
7.0063794004403E+29
n5
2.0270621467006E+37
2 √n
5378.8162266432
3 √n
306.99017111066
4 √n
73.340413324736
5 √n
31.065237808873
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 602743 , 1205486 , 1808229 , 2410972 , 3616458 , 4821944 , 7232916 , 9643888 , 14465832 , 28931664
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931663
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931664 can be divided by 20 positive divisors.
The sum of these divisors (counting 28931664) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101110010111011001010000
3
Ternary
2000102212210010
4
Quaternary
1232113121100
5
Quinary
24401303124
6
Senary
2512034520
8
Octal
156273120
10
Decimal
28931664
12
Duodecimal
9832a40
16
Hexadecimal
1b97650
20
Vigesimal
90g934
36
Base36
h83tc
md5
d558e86aa9cf692af2679f140f927fe0
sha1
beb928163f36647d69aa08d01272d8dac36f9ea3
sha256
1a1926691d11217c128624c12d299e3fbdb2e9cbb3da44f8eb16322e1e578064
sha512
22abeee66899a3630da21c9ec0d28310842f4659e2b16ae024e83ee0952bb554e015777f6a5e5e45bc5ecafca45824a3afe3021b41a2972134c52cc0fccf60f0
ripemd-160
f4eed120179365751be4755b4bbbf6eebe0cafeb
Diameter
57863328
Circumference
181783006.15706
Area
2.6296424275229E+15
Volume
1.0143990820432E+23
Surface area
1.0518569710092E+16
Circumference
181783006.15706
Perimeter
115726656
Area
837041181808896
Diagonal
40915551.610821
Surface area
5022247090853376
Volume
2.4216994226258E+22
Space diagonal
50111111.995511
Perimeter
86794992
Area
3.6244946373013E+14
Altitude
25055555.997756
Surface area
3.6244946373013E+14
Volume
2.8540001395571E+21
Height
13638517.203607