65439918 is an even 8-digits composite number following 65439917
and preceding 65439919 . In scientific notation, it is written as 6.5439918 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 21813300 positive integers (up to 65439918) that are relatively prime to 65439918.
65439918 has 12 divisors, whose sum is 141786528
The reverse of 65439918 is 81993456
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-five million four hundred thirty-nine thousand nine hundred eighteen
Scientific notation
6.5439918 × 10^7
Engineering notation
6.5439918 × 10^6
Prime Factorization
2 × 3 × 3 × 3635551
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21813306
Product of the distinct prime numbers
The prime factorization of 65439918 is 2 × 3 × 3 × 3635551.
Since it has a total of 4 prime factors.
9 , 5 , 63 , 23 , 480 , 425 , 3122 , 9553 , 32473 , 94915 , 157914 , 33071 , 2065440 , 2811316 , 24101256 , 56138289 , 406804417 , 791467975 , 6350928339 , 8069362106
n×2
130879836
n×3
196319754
n×4
261759672
n×5
327199590
n÷2
32719959
n÷3
21813306
n÷3
16359979.5
n÷5
13087983.6
n2
4282382867846724
n3
2.8023878371649E+23
n4
1.8338803026827E+31
n5
1.2000897662937E+39
2 √n
8089.4942981623
3 √n
402.97760878165
4 √n
89.94161605265
5 √n
36.573670615597
1 , 2 , 3 , 6 , 9 , 18 , 3635551 , 7271102 , 10906653 , 21813306 , 32719959 , 65439918
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
-65439917
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 65439918 can be divided by 12 positive divisors.
The sum of these divisors (counting 65439918) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111001101000100010101110
3
Ternary
11120010200200200
4
Quaternary
3321220202232
5
Quinary
113223034133
6
Senary
10254334330
8
Octal
371504256
10
Decimal
65439918
12
Duodecimal
19aba3a6
16
Hexadecimal
3e688ae
20
Vigesimal
108jjfi
36
Base36
12ylri
md5
d59ea0a843c3618132a3f352d082336d
sha1
3d5e25f29c99c8cd4d397e94b1e2b86b40628628
sha256
9bd8a6d4e6bdd096b0309a8a0e9526e951fd4c2016e7abc14242858f847a84c4
sha512
e69d0280d5c91611c31772bd06aedd26db42a6b3ed0044ad31bef3868e7b80f2c90b7d0c6feed404a958b1e8ef5e62fddca215a2f77e63f434fcb7efd29843db
ripemd-160
8fb46b06160a3869be43d2d35cc5ed45c151e891
Diameter
130879836
Circumference
411171131.28064
Area
1.3453502557486E+16
Volume
1.1738614722329E+24
Surface area
5.3814010229944E+16
Circumference
411171131.28064
Perimeter
261759672
Area
4282382867846724
Diagonal
92546019.556183
Surface area
25694297207080344
Volume
2.8023878371649E+23
Space diagonal
113345262.81914
Perimeter
196319754
Area
1.8543261761433E+15
Altitude
56672631.409571
Surface area
1.8543261761433E+15
Volume
3.3026457386234E+22
Height
30848673.185394