66908 is an even 5-digits composite number following 66907
and preceding 66909 . In scientific notation, it is written as 6.6908 × 10^4.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 32592 positive integers (up to 66908) that are relatively prime to 66908.
66908 has 12 divisors, whose sum is 120120
The reverse of 66908 is 80966
Previous prime number is 43
Is Prime? no
Number parity even
Number length 5
Sum of Digits 29
Digital Root 2
Name
sixty-six thousand nine hundred eight
Scientific notation
6.6908 × 10^4
Engineering notation
6.6908 × 10^3
Prime Factorization
2 × 2 × 43 × 389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33454
Product of the distinct prime numbers
The prime factorization of 66908 is 2 × 2 × 43 × 389.
Since it has a total of 4 prime factors.
3 , 6 , 18 , 47 , 631 , 472 , 1661 , 3262 , 50616 , 78187 , 964401 , 842741 , 7101619 , 6831901 , 87906834 , 29199128 , 966786662 , 726908552 , 3377836486 , 2712561517
n×2
133816
n×3
200724
n×4
267632
n×5
334540
n÷2
33454
n÷3
22302.666666667
n÷3
16727
n÷5
13381.6
n2
4476680464
n3
299525736485312
n4
2.0040667976759E+19
n5
1.340881012989E+24
2 √n
258.66580755871
3 √n
40.596882318616
4 √n
16.08309073402
5 √n
9.2277455301032
1 , 2 , 4 , 43 , 86 , 172 , 389 , 778 , 1556 , 16727 , 33454 , 66908
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
-66907
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 66908 can be divided by 12 positive divisors.
The sum of these divisors (counting 66908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10000010101011100
3
Ternary
10101210002
4
Quaternary
100111130
5
Quinary
4120113
6
Senary
1233432
8
Octal
202534
10
Decimal
66908
12
Duodecimal
32878
16
Hexadecimal
1055c
20
Vigesimal
8758
36
Base36
1fmk
md5
bf1e0cc00235a3dc0e32b4ee74ef7efb
sha1
a79fdb4765b36e5ee7054b3e17e85db8835b1d2b
sha256
8d15d1d7fb55f629b535ef6a5f163e70422139e27186259895f4f6e616b4a319
sha512
e957824e6be923581d769c519e299f01528d63b0573f29f4ba7c875925fdb2c4d56e53287f4cf0ab56c82399b9df4649b08f8d5e8274548c2f468ea4ab0c520f
ripemd-160
71541a1ee932b2d19a3265451155db9dc82b4c62
Diameter
133816
Circumference
420395.36253277
Area
14063906458.171
Volume
1.2546504710711E+15
Surface area
56255625832.685
Circumference
420395.36253277
Perimeter
267632
Area
4476680464
Diagonal
94622.201031259
Surface area
26860082784
Volume
299525736485312
Space diagonal
115888.05543282
Perimeter
200724
Area
1938459503.2248
Altitude
57944.027716409
Surface area
1938459503.2248
Volume
35299446568110
Height
31540.733677086