65439909 is an odd 8-digits composite number following 65439908
and preceding 65439910 . In scientific notation, it is written as 6.5439909 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 42886824 positive integers (up to 65439909) that are relatively prime to 65439909.
65439909 has 12 divisors, whose sum is 96127200
The reverse of 65439909 is 90993456
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-five million four hundred thirty-nine thousand nine hundred nine
Scientific notation
6.5439909 × 10^7
Engineering notation
6.5439909 × 10^6
Prime Factorization
3 × 3 × 59 × 123239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21813303
Product of the distinct prime numbers
The prime factorization of 65439909 is 3 × 3 × 59 × 123239.
Since it has a total of 4 prime factors.
8 , 6 , 37 , 38 , 966 , 425 , 6556 , 9917 , 35325 , 12396 , 89608 , 729611 , 7842312 , 3135507 , 92841412 , 35579397 , 515949121 , 143160439 , 5489861253 , 359496653
n×2
130879818
n×3
196319727
n×4
261759636
n×5
327199545
n÷2
32719954.5
n÷3
21813303
n÷3
16359977.25
n÷5
13087981.8
n2
4282381689928281
n3
2.8023866809217E+23
n4
1.8338792938233E+31
n5
1.2000889410478E+39
2 √n
8089.4937418852
3 √n
402.97759030772
4 √n
89.941612960216
5 √n
36.573669609596
1 , 3 , 9 , 59 , 177 , 531 , 123239 , 369717 , 1109151 , 7271101 , 21813303 , 65439909
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65439908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65439909 can be divided by 12 positive divisors.
The sum of these divisors (counting 65439909) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111001101000100010100101
3
Ternary
11120010200200100
4
Quaternary
3321220202211
5
Quinary
113223034114
6
Senary
10254334313
8
Octal
371504245
10
Decimal
65439909
12
Duodecimal
19aba399
16
Hexadecimal
3e688a5
20
Vigesimal
108jjf9
36
Base36
12ylr9
md5
30a25effb09655b4452d93005b6a30a5
sha1
5660fd2c17de3b5dbddd8f173c20a44e45e0d451
sha256
72669c2e97f9ac6837280c29cc58960d916c4b4d26b3b0e0ec5c66a4c9a0732e
sha512
f87b097b411754065977639af9e0af2c010ded4ac451b2340f48ac340efeafc88221c5caa60aff26b77494eaf4cf95abfc57da6836fc613907f9e23dc78414bb
ripemd-160
a1b4325cbad79e000b429d25e4c66a35badb9123
Diameter
130879818
Circumference
411171074.73197
Area
1.3453498856946E+16
Volume
1.1738609879069E+24
Surface area
5.3813995427785E+16
Circumference
411171074.73197
Perimeter
261759636
Area
4282381689928281
Diagonal
92546006.828261
Surface area
25694290139569686
Volume
2.8023866809217E+23
Space diagonal
113345247.23068
Perimeter
196319727
Area
1.8543256660896E+15
Altitude
56672623.615342
Surface area
1.8543256660896E+15
Volume
3.3026443759777E+22
Height
30848668.942754