66808664 is an even 8-digits composite number following 66808663
and preceding 66808665 . In scientific notation, it is written as 6.6808664 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors.
There are 30326400 positive integers (up to 66808664) that are relatively prime to 66808664.
66808664 has 32 divisors, whose sum is 137126640
The reverse of 66808664 is 46680866
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-six million eight hundred eight thousand six hundred sixty-four
Scientific notation
6.6808664 × 10^7
Engineering notation
6.6808664 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 61 × 10531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16702166
Product of the distinct prime numbers
The prime factorization of 66808664 is 2 × 2 × 2 × 13 × 61 × 10531.
Since it has a total of 6 prime factors.
2 , 7 , 48 , 100 , 355 , 505 , 2058 , 3345 , 48394 , 25355 , 284795 , 24886 , 6505576 , 155975 , 65024412 , 8669079 , 152207489 , 883211284 , 7317209172 , 4439808483
n×2
133617328
n×3
200425992
n×4
267234656
n×5
334043320
n÷2
33404332
n÷3
22269554.666667
n÷3
16702166
n÷5
13361732.8
n2
4463397585464896
n3
2.9819362958574E+23
n4
1.9921918005934E+31
n5
1.330956726294E+39
2 √n
8173.6567092092
3 √n
405.76781437294
4 √n
90.4082778799
5 √n
36.725401923505
1 , 2 , 4 , 8 , 13 , 26 , 52 , 61 , 104 , 122 , 244 , 488 , 793 , 1586 , 3172 , 6344 , 10531 , 21062 , 42124 , 84248 , 136903 , 273806 , 547612 , 642391 , 1095224 , 1284782 , 2569564 , 5139128 , 8351083 , 16702166 , 33404332 , 66808664
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66808663
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66808664 can be divided by 32 positive divisors.
The sum of these divisors (counting 66808664) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111110110110101101011000
3
Ternary
11122201020020222
4
Quaternary
3332312231120
5
Quinary
114100334124
6
Senary
10343535212
8
Octal
376665530
10
Decimal
66808664
12
Duodecimal
1a45a508
16
Hexadecimal
3fb6b58
20
Vigesimal
10hb1d4
36
Base36
13rxw8
md5
6cd6e1e8c8e455a4a9c5e2d259a1237e
sha1
8b35b1d414e171fba0dcd9038529bd9b4d7b4888
sha256
123f8d1e9e3e92273a589823d9b5f370cf9c2718dec366950a4a146994bf6093
sha512
50784c57618426cd22fc4156f243ed3c1e3260d379872cd7c2a22393f7b6ec6b90c12f5828fdec34675e711b6901622b2a8c892b54692ca7214a556a9e4e6606
ripemd-160
af2333ce375e90fc8196257f27290a7e7b3774df
Diameter
133617328
Circumference
419771216.0371
Area
1.4022177064547E+16
Volume
1.2490705547384E+24
Surface area
5.6088708258188E+16
Circumference
419771216.0371
Perimeter
267234656
Area
4463397585464896
Diagonal
94481718.712827
Surface area
26780385512789376
Volume
2.9819362958574E+23
Space diagonal
115716000.4338
Perimeter
200425992
Area
1.9327078481014E+15
Altitude
57858000.216899
Surface area
1.9327078481014E+15
Volume
3.5142456264451E+22
Height
31493906.237609