91242009 is an odd 8-digits composite number following 91242008
and preceding 91242010 . In scientific notation, it is written as 9.1242009 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 54235008 positive integers (up to 91242009) that are relatively prime to 91242009.
91242009 has 24 divisors, whose sum is 146895840
The reverse of 91242009 is 90024219
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
ninety-one million two hundred forty-two thousand nine
Scientific notation
9.1242009 × 10^7
Engineering notation
9.1242009 × 10^6
Prime Factorization
3 × 3 × 19 × 17 × 31387
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30414003
Product of the distinct prime numbers
The prime factorization of 91242009 is 3 × 3 × 19 × 17 × 31387.
Since it has a total of 5 prime factors.
1 , 4 , 29 , 61 , 79 , 567 , 8621 , 7132 , 75851 , 55702 , 435675 , 968581 , 6389393 , 709485 , 50170529 , 21857041 , 920211982 , 608089983 , 396976236 , 2019449618
n×2
182484018
n×3
273726027
n×4
364968036
n×5
456210045
n÷2
45621004.5
n÷3
30414003
n÷3
22810502.25
n÷5
18248401.8
n2
8325104206356081
n3
7.5959923292228E+23
n4
6.9307360046688E+31
n5
6.3237427691461E+39
2 √n
9552.0683100573
3 √n
450.19252502702
4 √n
97.734683250406
5 √n
39.087596624964
1 , 3 , 9 , 17 , 19 , 51 , 57 , 153 , 171 , 323 , 969 , 2907 , 31387 , 94161 , 282483 , 533579 , 596353 , 1600737 , 1789059 , 4802211 , 5367177 , 10138001 , 30414003 , 91242009
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91242008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91242009 can be divided by 24 positive divisors.
The sum of these divisors (counting 91242009) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101011100000011111000011001
3
Ternary
20100200120111200
4
Quaternary
11130003320121
5
Quinary
141324221014
6
Senary
13015344413
8
Octal
534037031
10
Decimal
91242009
12
Duodecimal
26682109
16
Hexadecimal
5703e19
20
Vigesimal
18a5509
36
Base36
1ibms9
md5
684d2188ef46f104ba314f326d9d6799
sha1
70ae40a249a1327677f8d4997d5ba6ae61bca530
sha256
ff3e863416909aa2203d5c0ef925ac63f81bbe54bca69a1e5c064c7c0a210852
sha512
eed1413b06c4c011991955c47f61c3c1b330dc50b15b28f3987540721fb10c76ca59d8526eeffb35409d5537aac5a77baae95d21deb5df2349e8871390fcea3d
ripemd-160
142261f6ec481bc5e68f2e82bd8facd5de96ee6a
Diameter
182484018
Circumference
573290450.34635
Area
2.6154086215058E+16
Volume
3.1818018264281E+24
Surface area
1.0461634486023E+17
Circumference
573290450.34635
Perimeter
364968036
Area
8325104206356081
Diagonal
129035686.58597
Surface area
49950625238136486
Volume
7.5959923292228E+23
Space diagonal
158035795.37266
Perimeter
273726027
Area
3.6048758659285E+15
Altitude
79017897.686328
Surface area
3.6048758659285E+15
Volume
8.9519628097241E+22
Height
43011895.528656