66996969 is an odd 8-digits composite number following 66996968
and preceding 66996970 . In scientific notation, it is written as 6.6996969 × 10^7.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 40996800 positive integers (up to 66996969) that are relatively prime to 66996969.
66996969 has 16 divisors, whose sum is 96742464
The reverse of 66996969 is 96969966
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 60
Digital Root 6
Name
sixty-six million nine hundred ninety-six thousand nine hundred sixty-nine
Scientific notation
6.6996969 × 10^7
Engineering notation
6.6996969 × 10^6
Prime Factorization
3 × 13 × 181 × 9491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66996969
Product of the distinct prime numbers
The prime factorization of 66996969 is 3 × 13 × 181 × 9491.
Since it has a total of 4 prime factors.
5 , 9 , 51 , 47 , 375 , 189 , 2907 , 5573 , 99132 , 61399 , 388226 , 751826 , 1360092 , 5606589 , 29093927 , 16535639 , 261259642 , 532061535 , 7757199950 , 5876843558
n×2
133993938
n×3
200990907
n×4
267987876
n×5
334984845
n÷2
33498484.5
n÷3
22332323
n÷3
16749242.25
n÷5
13399393.8
n2
4488593855186961
n3
3.0072218336955E+23
n4
2.0147474796822E+31
n5
1.349819744391E+39
2 √n
8185.1676219855
3 √n
406.14868529933
4 √n
90.471916206
5 √n
36.746081256801
1 , 3 , 13 , 39 , 181 , 543 , 2353 , 7059 , 9491 , 28473 , 123383 , 370149 , 1717871 , 5153613 , 22332323 , 66996969
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
-66996968
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 66996969 can be divided by 16 positive divisors.
The sum of these divisors (counting 66996969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111100100101011101001
3
Ternary
11200001210120020
4
Quaternary
3333210223221
5
Quinary
114122400334
6
Senary
10351551053
8
Octal
377445351
10
Decimal
66996969
12
Duodecimal
1a52b489
16
Hexadecimal
3fe4ae9
20
Vigesimal
10iec89
36
Base36
13vz6x
md5
ff30f2f5e2936480ee7c65e5369b8012
sha1
1969bf9b1b3bc42efd31a28868bcfd72c04c8e31
sha256
4264d23c0a48406b13ceac3febf9c8e4a24e7e936fabf818ee87db024b3a30ed
sha512
91922a1b497f6221f2a99b73bd844a2ec85017647c4a87b0e9af25cc65f1242205d716077275afbe37b8a30b7f307a1bcec0f05651d6513e9ee2e03b4b0df9a8
ripemd-160
4b464b39bb62d7e07c7ac8fb74d54c94c7e2c3b4
Diameter
133993938
Circumference
420954371.24637
Area
1.4101333480404E+16
Volume
1.2596621360604E+24
Surface area
5.6405333921615E+16
Circumference
420954371.24637
Perimeter
267987876
Area
4488593855186961
Diagonal
94748022.19769
Surface area
26931563131121766
Volume
3.0072218336955E+23
Space diagonal
116042154.26112
Perimeter
200990907
Area
1.9436181529313E+15
Altitude
58021077.130559
Surface area
1.9436181529313E+15
Volume
3.5440449185639E+22
Height
31582674.065897