64131818 is an even 8-digits composite number following 64131817
and preceding 64131819 . In scientific notation, it is written as 6.4131818 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 30868656 positive integers (up to 64131818) that are relatively prime to 64131818.
64131818 has 16 divisors, whose sum is 99809280
The reverse of 64131818 is 81813146
Previous prime number is 383
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixty-four million one hundred thirty-one thousand eight hundred eighteen
Scientific notation
6.4131818 × 10^7
Engineering notation
6.4131818 × 10^6
Prime Factorization
2 × 29 × 383 × 2887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64131818
Product of the distinct prime numbers
The prime factorization of 64131818 is 2 × 29 × 383 × 2887.
Since it has a total of 4 prime factors.
5 , 1 , 5 , 37 , 754 , 665 , 3074 , 5798 , 96853 , 12117 , 662394 , 596517 , 6710688 , 6677154 , 85907266 , 30147417 , 876628444 , 872228502 , 7628012491 , 619006271
n×2
128263636
n×3
192395454
n×4
256527272
n×5
320659090
n÷2
32065909
n÷3
21377272.666667
n÷3
16032954.5
n÷5
12826363.6
n2
4112890079985124
n3
2.6376711806361E+23
n4
1.691586481004E+31
n5
1.0848451633101E+39
2 √n
8008.2343871792
3 √n
400.27443250727
4 √n
89.488738884729
5 √n
36.426270664459
1 , 2 , 29 , 58 , 383 , 766 , 2887 , 5774 , 11107 , 22214 , 83723 , 167446 , 1105721 , 2211442 , 32065909 , 64131818
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64131817
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64131818 can be divided by 16 positive divisors.
The sum of these divisors (counting 64131818) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110100101001001011101010
3
Ternary
11110200020022112
4
Quaternary
3310221023222
5
Quinary
112404204233
6
Senary
10210322322
8
Octal
364511352
10
Decimal
64131818
12
Duodecimal
195893a2
16
Hexadecimal
3d292ea
20
Vigesimal
100g9ai
36
Base36
126kfe
md5
e29f0b3debe987faa42a47b58dde76af
sha1
0fb7b48e3345eef3132ba4dfcec229bf4d79e15d
sha256
e55302f4fc8fbd4374ae41ce82715bfd1f004c55dd5dfb1769c68f6eada196e7
sha512
4ac8be143dee223b6ed77d70d5d4b56ffe8c1c91878929e9a7c21e29047694f0aaa1db02bd03d19746435b3fa8558cdba6bc20a8c412f5b7b5223dc6bdd91fff
ripemd-160
1da893ea41697d5cf88f73517f5b58d2d522be5e
Diameter
128263636
Circumference
402952096.58032
Area
1.2921025260304E+16
Volume
1.1048651204896E+24
Surface area
5.1684101041214E+16
Circumference
402952096.58032
Perimeter
256527272
Area
4112890079985124
Diagonal
90696086.795243
Surface area
24677340479910744
Volume
2.6376711806361E+23
Space diagonal
111079567.15776
Perimeter
192395454
Area
1.7809336461201E+15
Altitude
55539783.57888
Surface area
1.7809336461201E+15
Volume
3.1085252972802E+22
Height
30232028.931748