66706686 is an even 8-digits composite number following 66706685
and preceding 66706687 . In scientific notation, it is written as 6.6706686 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 22235544 positive integers (up to 66706686) that are relatively prime to 66706686.
66706686 has 16 divisors, whose sum is 148237200
The reverse of 66706686 is 68660766
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million seven hundred six thousand six hundred eighty-six
Scientific notation
6.6706686 × 10^7
Engineering notation
6.6706686 × 10^6
Prime Factorization
2 × 3 × 3 × 3 × 1235309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7411854
Product of the distinct prime numbers
The prime factorization of 66706686 is 2 × 3 × 3 × 3 × 1235309.
Since it has a total of 5 prime factors.
4 , 2 , 21 , 63 , 621 , 662 , 6537 , 1620 , 90023 , 46154 , 885294 , 622050 , 4936527 , 9226380 , 61591119 , 36583106 , 260348632 , 147168381 , 9206309173 , 3195192778
n×2
133413372
n×3
200120058
n×4
266826744
n×5
333533430
n÷2
33353343
n÷3
22235562
n÷3
16676671.5
n÷5
13341337.2
n2
4449781957102596
n3
2.9683020778091E+23
n4
1.9800559465756E+31
n5
1.3208297029065E+39
2 √n
8167.4161152717
3 √n
405.56125203177
4 √n
90.373757890616
5 √n
36.714183403042
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 1235309 , 2470618 , 3705927 , 7411854 , 11117781 , 22235562 , 33353343 , 66706686
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
-66706685
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 66706686 can be divided by 16 positive divisors.
The sum of these divisors (counting 66706686) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111110011101110011111110
3
Ternary
11122112001101000
4
Quaternary
3332131303332
5
Quinary
114034103221
6
Senary
10341431130
8
Octal
376356376
10
Decimal
66706686
12
Duodecimal
1a40b4a6
16
Hexadecimal
3f9dcfe
20
Vigesimal
10gi6e6
36
Base36
13pr7i
md5
65b41fe30575de1660d1ccf6da4b8375
sha1
5122aa38d1104e0de3e20e49ba7de2a2a48cb7d7
sha256
667ec8c8433f4afa0ad978d08263e1687620cea947eb721d86dea2ecdfc1380b
sha512
2f24b9c8876de7d1cf8e9652a19b7ebceff34efff609be497fdbe3fbff4a94ddd03a2c6fc0b7144892cc9f17dad0bb10b7ba5ddd8ee17323aa14624575ca0b70
ripemd-160
ae87f6ae69050aae9426e052dd68157a4073f78d
Diameter
133413372
Circumference
419130469.36584
Area
1.397940230651E+16
Volume
1.2433594668374E+24
Surface area
5.591760922604E+16
Circumference
419130469.36584
Perimeter
266826744
Area
4449781957102596
Diagonal
94337500.042163
Surface area
26698691742615576
Volume
2.9683020778091E+23
Space diagonal
115539369.35654
Perimeter
200120058
Area
1.9268121080762E+15
Altitude
57769684.678272
Surface area
1.9268121080762E+15
Volume
3.4981775463815E+22
Height
31445833.347388