66709618 is an even 8-digits composite number following 66709617
and preceding 66709619 . In scientific notation, it is written as 6.6709618 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 33354808 positive integers (up to 66709618) that are relatively prime to 66709618.
66709618 has 4 divisors, whose sum is 100064430
The reverse of 66709618 is 81690766
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-six million seven hundred nine thousand six hundred eighteen
Scientific notation
6.6709618 × 10^7
Engineering notation
6.6709618 × 10^6
Prime Factorization
2 × 33354809
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66709618
Product of the distinct prime numbers
The prime factorization of 66709618 is 2 × 33354809.
Since it has a total of 2 prime factors.
4 , 3 , 22 , 19 , 712 , 553 , 7814 , 1486 , 30153 , 70060 , 225240 , 284322 , 2036522 , 2816283 , 8357544 , 87579670 , 132738402 , 613253320 , 1532196382 , 9489030348
n×2
133419236
n×3
200128854
n×4
266838472
n×5
333548090
n÷2
33354809
n÷3
22236539.333333
n÷3
16677404.5
n÷5
13341923.6
n2
4450173133705924
n3
2.9686934978339E+23
n4
1.9804040919958E+31
n5
1.3211200046268E+39
2 √n
8167.5956070315
3 √n
405.56719390577
4 √n
90.37475093759
5 √n
36.714506141585
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66709617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66709618 can be divided by 4 positive divisors.
The sum of these divisors (counting 66709618) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110011110100001110010
3
Ternary
11122112012101121
4
Quaternary
3332132201302
5
Quinary
114034201433
6
Senary
10341452454
8
Octal
376364162
10
Decimal
66709618
12
Duodecimal
1a41112a
16
Hexadecimal
3f9e872
20
Vigesimal
10gie0i
36
Base36
13ptgy
md5
724a49092ce234ef9038f7c1c66da3e6
sha1
66fd63d63c01183ca48e9f2da309d05c0f164b86
sha256
4e8b1898ac8b9f65092ba0720ed1e853f6ad8976bc95b1aec0181a3d11f60ad8
sha512
8d5e8ebbe4ec983bd0d7f41dee12b74a614f3585eaf85a740b234dfa0dd5520e274b3ebc98c250e2a5e8909770e1caec03f14f281ee4bf53ead53c02f70968c3
ripemd-160
21d1c392fa99e05a493f26c589180c5ebd71deee
Diameter
133419236
Circumference
419148891.66516
Area
1.3980631224053E+16
Volume
1.2435234244739E+24
Surface area
5.5922524896213E+16
Circumference
419148891.66516
Perimeter
266838472
Area
4450173133705924
Diagonal
94341646.516328
Surface area
26701038802235544
Volume
2.9686934978339E+23
Space diagonal
115544447.72951
Perimeter
200128854
Area
1.9269814925142E+15
Altitude
57772223.864756
Surface area
1.9269814925142E+15
Volume
3.4986388393045E+22
Height
31447215.505443