65388645 is an odd 8-digits composite number following 65388644
and preceding 65388646 . In scientific notation, it is written as 6.5388645 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 28339200 positive integers (up to 65388645) that are relatively prime to 65388645.
65388645 has 32 divisors, whose sum is 86661120
The reverse of 65388645 is 54688356
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-five million three hundred eighty-eight thousand six hundred forty-five
Scientific notation
6.5388645 × 10^7
Engineering notation
6.5388645 × 10^6
Prime Factorization
9 × 415 × 7 × 61 × 41
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
65388645
Product of the distinct prime numbers
The prime factorization of 65388645 is 9 × 415 × 7 × 61 × 41.
Since it has a total of 5 prime factors.
2 , 1 , 30 , 27 , 369 , 418 , 2481 , 333 , 64993 , 1857 , 300081 , 683408 , 4956224 , 6136971 , 73469335 , 54065129 , 50674910 , 28448633 , 5231335698 , 7175351150
n×2
130777290
n×3
196165935
n×4
261554580
n×5
326943225
n÷2
32694322.5
n÷3
21796215
n÷3
16347161.25
n÷5
13077729
n2
4275674894936025
n3
2.7958058784038E+23
n4
1.8281395807186E+31
n5
1.1953957005406E+39
2 √n
8086.3245668227
3 √n
402.87233527177
4 √n
89.92399327667
5 √n
36.567937632251
1 , 7 , 9 , 41 , 61 , 63 , 287 , 369 , 415 , 427 , 549 , 2501 , 2583 , 2905 , 3735 , 3843 , 17015 , 17507 , 22509 , 25315 , 26145 , 119105 , 153135 , 157563 , 177205 , 227835 , 1037915 , 1071945 , 1594845 , 7265405 , 9341235 , 65388645
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65388644
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65388645 can be divided by 32 positive divisors.
The sum of these divisors (counting 65388645) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111001011100000001100101
3
Ternary
11120001002100200
4
Quaternary
3321130001211
5
Quinary
113214414040
6
Senary
10253301113
8
Octal
371340145
10
Decimal
65388645
12
Duodecimal
19a94799
16
Hexadecimal
3e5c065
20
Vigesimal
108dbc5
36
Base36
12xi79
md5
80ddd1002e3925eed079eb1c308ecc3e
sha1
b86acede70fb5d33d4531966440b16ed017b641c
sha256
8cd35090bc268cf7e5cc09ac2c7953c2e32aa9c19a67824fdce17d7d36cdde84
sha512
1519fdca870a8711237b7a5e1d67af2f1ad7d26e9d85597862b23ac5b18b60a3c4f81130046b90a311bb992f23c75b4ef802bc1c72d37605108866ce4e2b2a21
ripemd-160
a59090ff43cf8aa149f4788066f55704f92ed8f9
Diameter
130777290
Circumference
410848973.52038
Area
1.3432428839069E+16
Volume
1.1711044277942E+24
Surface area
5.3729715356277E+16
Circumference
410848973.52038
Perimeter
261554580
Area
4275674894936025
Diagonal
92473508.5842
Surface area
25654049369616150
Volume
2.7958058784038E+23
Space diagonal
113256455.37808
Perimeter
196165935
Area
1.851421538669E+15
Altitude
56628227.689042
Surface area
1.851421538669E+15
Volume
3.2948888258343E+22
Height
30824502.8614