66804969 is an odd 8-digits composite number following 66804968
and preceding 66804970 . In scientific notation, it is written as 6.6804969 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 31752000 positive integers (up to 66804969) that are relatively prime to 66804969.
66804969 has 16 divisors, whose sum is 75571200
The reverse of 66804969 is 96940866
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-six million eight hundred four thousand nine hundred sixty-nine
Scientific notation
6.6804969 × 10^7
Engineering notation
6.6804969 × 10^6
Prime Factorization
399 × 11 × 31 × 491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66804969
Product of the distinct prime numbers
The prime factorization of 66804969 is 399 × 11 × 31 × 491.
Since it has a total of 4 prime factors.
1 , 9 , 32 , 42 , 965 , 144 , 4024 , 4718 , 39748 , 41812 , 990977 , 648161 , 6308576 , 3613674 , 35246995 , 67561777 , 17871674 , 942273415 , 5034291533 , 750738732
n×2
133609938
n×3
200414907
n×4
267219876
n×5
334024845
n÷2
33402484.5
n÷3
22268323
n÷3
16701242.25
n÷5
13360993.8
n2
4462903883090961
n3
2.9814415555987E+23
n4
1.9917511069708E+31
n5
1.330588709569E+39
2 √n
8173.4306750593
3 √n
405.76033360809
4 √n
90.407027796844
5 √n
36.724995678703
1 , 11 , 31 , 341 , 399 , 491 , 4389 , 5401 , 12369 , 15221 , 136059 , 167431 , 195909 , 2154999 , 6073179 , 66804969
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
-66804968
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 66804969 can be divided by 16 positive divisors.
The sum of these divisors (counting 66804969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111110110101110011101001
3
Ternary
11122201001012010
4
Quaternary
3332311303221
5
Quinary
114100224334
6
Senary
10343510133
8
Octal
376656351
10
Decimal
66804969
12
Duodecimal
1a458349
16
Hexadecimal
3fb5ce9
20
Vigesimal
10hac89
36
Base36
13rv1l
md5
c9d0ee93baa2d98b6ea08e379a41ccd0
sha1
9e90c75f99bc219786a858e701c1b9bb86321162
sha256
67c5d1c6566b1a3d8af6ecdfb5e235eee02e39c3a948734b82dfc0b5ded13ea7
sha512
64c14b429992ce4cad05eb0b8eac93e6fbbe6fe43f22b7717c1a064811fdaaa98e36bebec68dd26ba32adf6c69823f9f89f59f8466f68976cb40476e8f39ce32
ripemd-160
b848a406f9d84bdddd02311288caff5a11f7db26
Diameter
133609938
Circumference
419747999.66739
Area
1.4020626052796E+16
Volume
1.2488633184235E+24
Surface area
5.6082504211184E+16
Circumference
419747999.66739
Perimeter
267219876
Area
4462903883090961
Diagonal
94476493.193714
Surface area
26777423298545766
Volume
2.9814415555987E+23
Space diagonal
115709600.50606
Perimeter
200414907
Area
1.9324940687025E+15
Altitude
57854800.253032
Surface area
1.9324940687025E+15
Volume
3.5136625694587E+22
Height
31492164.397905