66405964 is an even 8-digits composite number following 66405963
and preceding 66405965 . In scientific notation, it is written as 6.6405964 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 33095600 positive integers (up to 66405964) that are relatively prime to 66405964.
66405964 has 12 divisors, whose sum is 116586288
The reverse of 66405964 is 46950466
Previous prime number is 311
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-six million four hundred five thousand nine hundred sixty-four
Scientific notation
6.6405964 × 10^7
Engineering notation
6.6405964 × 10^6
Prime Factorization
2 × 2 × 311 × 53381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33202982
Product of the distinct prime numbers
The prime factorization of 66405964 is 2 × 2 × 311 × 53381.
Since it has a total of 4 prime factors.
9 , 10 , 70 , 71 , 397 , 860 , 5340 , 2507 , 40181 , 37418 , 247960 , 819734 , 5899122 , 1586558 , 77459270 , 9674911 , 288415692 , 956621101 , 9468697218 , 2104776114
n×2
132811928
n×3
199217892
n×4
265623856
n×5
332029820
n÷2
33202982
n÷3
22135321.333333
n÷3
16601491
n÷5
13281192.8
n2
4409752054769296
n3
2.9283383619794E+23
n4
1.9445913184542E+31
n5
1.2913246108798E+39
2 √n
8148.9854583255
3 √n
404.95089380734
4 √n
90.271731224816
5 √n
36.68102113222
1 , 2 , 4 , 311 , 622 , 1244 , 53381 , 106762 , 213524 , 16601491 , 33202982 , 66405964
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
-66405963
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 66405964 can be divided by 12 positive divisors.
The sum of these divisors (counting 66405964) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111101010100011001001100
3
Ternary
11121221202212011
4
Quaternary
3331110121030
5
Quinary
113444442324
6
Senary
10331151004
8
Octal
375243114
10
Decimal
66405964
12
Duodecimal
1a2a5464
16
Hexadecimal
3f5464c
20
Vigesimal
10f0ei4
36
Base36
13jb64
md5
bc24b247a9d7b7f8690ae16ceedc4c2c
sha1
4b1640e8ed537efc6d3d237b48b964b524fc18d5
sha256
9ea18213f63e72ad583bb55b15a77edfdc796a4c632314f1c10ac6ca8ecc3e99
sha512
edded03bfe93584dc20ab8a372ae59e047e265deb40167761881781f805a07c21a94739ecf759c4bfbf669f15e7f4334afa9f938052b2392e4e97b5a75ccdf08
ripemd-160
1a5fdc71546e4fa7a975a67898b9635af305ba2e
Diameter
132811928
Circumference
417240977.3139
Area
1.3853644659416E+16
Volume
1.2266195046959E+24
Surface area
5.5414578637663E+16
Circumference
417240977.3139
Perimeter
265623856
Area
4409752054769296
Diagonal
93912214.91126
Surface area
26458512328615776
Volume
2.9283383619794E+23
Space diagonal
115018503.57359
Perimeter
199217892
Area
1.9094786519104E+15
Altitude
57509251.786795
Surface area
1.9094786519104E+15
Volume
3.4510798556072E+22
Height
31304071.637087