66996818 is an even 8-digits composite number following 66996817
and preceding 66996819 . In scientific notation, it is written as 6.6996818 × 10^7.
The sum of its digits is 53. It has a total of 5 prime factors and 32 positive divisors.
There are 28449792 positive integers (up to 66996818) that are relatively prime to 66996818.
66996818 has 32 divisors, whose sum is 118272000
The reverse of 66996818 is 81869966
Previous prime number is 127
Is Prime? no Number parity even Number length 8 Sum of Digits 53 Digital Root 8
Name
sixty-six million nine hundred ninety-six thousand eight hundred eighteen
Scientific notation
6.6996818 × 10^7
Engineering notation
6.6996818 × 10^6
Prime Factorization
2 × 49 × 7 × 127 × 769
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
66996818 Product of the distinct prime numbers
The prime factorization of 66996818 is 2 × 49 × 7 × 127 × 769.
Since it has a total of 5 prime factors.
6 , 6 , 5 , 83 , 345 , 188 , 4356 , 8812 , 69042 , 49861 , 37957 , 976374 , 728753 , 4941188 , 10863546 , 82853187 , 834941754 , 462754099 , 5546749977 , 8432003778
n×2
133993636
n×3
200990454
n×4
267987272
n×5
334984090
n÷2
33498409
n÷3
22332272.666667
n÷3
16749204.5
n÷5
13399363.6
n2
4488573622125124
n3
3.0072015004112E+23
n4
2.0147293161237E+31
n5
1.3498045331161E+39
2 √n8185.1583979786
3 √n406.14838016862
4 √n90.471865228803
5 √n36.746064692877
1 , 2 , 7 , 14 , 49 , 98 , 127 , 254 , 343 , 686 , 769 , 889 , 1538 , 1778 , 5383 , 6223 , 10766 , 12446 , 37681 , 43561 , 75362 , 87122 , 97663 , 195326 , 263767 , 527534 , 683641 , 1367282 , 4785487 , 9570974 , 33498409 , 66996818
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
-66996817 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 66996818 can be divided by 32 positive divisors.
The sum of these divisors (counting 66996818) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111111100100101001010010
3
Ternary
11200001210100122
4
Quaternary
3333210221102
5
Quinary
114122344233
6
Senary
10351550242
8
Octal
377445122
10
Decimal
66996818
12
Duodecimal
1a52b382
16
Hexadecimal
3fe4a52
20
Vigesimal
10iec0i
36
Base36
13vz2q
md5
5af8d329a1213c60365ef2ab8b5cf69e
sha1
852b6aa5993d7a25b3c61814113d6d952c837620
sha256
cc8f42a998b7e33df1b9a7b47b7a4ed43841782109809e1ecd862a305192c832
sha512
c41114368463793c3a286552fab4f500ca5e7770866cbef03dd94e1d9e14dadca69c385ad17ba5a023fd971ac96b374224cfe014a0268a9c75e370ff18f62570
ripemd-160
eefa37d36d00fa219e30e9e4a01246905cc5d379
Diameter
133993636
Circumference
420953422.48538
Area
1.4101269916365E+16
Volume
1.2596536188741E+24
Surface area
5.6405079665461E+16
Circumference
420953422.48538
Perimeter
267987272
Area
4488573622125124
Diagonal
94747808.651442
Surface area
26931441732750744
Volume
3.0072015004112E+23
Space diagonal
116041892.72145
Perimeter
200990454
Area
1.9436093917585E+15
Altitude
58020946.360723
Surface area
1.9436093917585E+15
Volume
3.5440209555585E+22
Height
31582602.883814