66705872 is an even 8-digits composite number following 66705871
and preceding 66705873 . In scientific notation, it is written as 6.6705872 × 10^7.
The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors.
There are 32787168 positive integers (up to 66705872) that are relatively prime to 66705872.
66705872 has 20 divisors, whose sum is 131435040
The reverse of 66705872 is 27850766
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-six million seven hundred five thousand eight hundred seventy-two
Scientific notation
6.6705872 × 10^7
Engineering notation
6.6705872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 59 × 70663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8338234
Product of the distinct prime numbers
The prime factorization of 66705872 is 2 × 2 × 2 × 2 × 59 × 70663.
Since it has a total of 6 prime factors.
9 , 9 , 82 , 14 , 516 , 982 , 9560 , 5332 , 57267 , 18580 , 359753 , 967378 , 2718387 , 6519948 , 62651181 , 91311736 , 496807730 , 728416693 , 699579867 , 9628235688
n×2
133411744
n×3
200117616
n×4
266823488
n×5
333529360
n÷2
33352936
n÷3
22235290.666667
n÷3
16676468
n÷5
13341174.4
n2
4449673359280384
n3
2.9681934154597E+23
n4
1.979959300429E+31
n5
1.3207491165962E+39
2 √n
8167.3662829581
3 √n
405.55960238103
4 √n
90.373482188959
5 √n
36.714093800356
1 , 2 , 4 , 8 , 16 , 59 , 118 , 236 , 472 , 944 , 70663 , 141326 , 282652 , 565304 , 1130608 , 4169117 , 8338234 , 16676468 , 33352936 , 66705872
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66705871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66705872 can be divided by 20 positive divisors.
The sum of these divisors (counting 66705872) is 1, the average is 0.05.
Base
System
Value
2
Binary
11111110011101100111010000
3
Ternary
11122112000020212
4
Quaternary
3332131213100
5
Quinary
114034041442
6
Senary
10341423252
8
Octal
376354720
10
Decimal
66705872
12
Duodecimal
1a40ab28
16
Hexadecimal
3f9d9d0
20
Vigesimal
10gi4dc
36
Base36
13pqkw
md5
8c03572b93f709e46ef2f484f60b7880
sha1
e9119d8de66d9e8ad211d3701c022e4595d70be3
sha256
54352f14ce704a7a17bff6864e28a89f5479cc247d2bfa6065bb84305f90e6fd
sha512
910b96083148b2bec48505a10ce5acfbc58ecb1b5ac2e78633d2aab8afca0db10e39cd9d3c4da75caf3c75cb80cc9b3a8dfede297263c01b62393177a24792b2
ripemd-160
e9483ac2e907e86a3a526d9d75284c860f1c2e9f
Diameter
133411744
Circumference
419125354.853
Area
1.3979061136389E+16
Volume
1.2433139504589E+24
Surface area
5.5916244545558E+16
Circumference
419125354.853
Perimeter
266823488
Area
4449673359280384
Diagonal
94336348.872324
Surface area
26698040155682304
Volume
2.9681934154597E+23
Space diagonal
115537959.46719
Perimeter
200117616
Area
1.9267650838398E+15
Altitude
57768979.733593
Surface area
1.9267650838398E+15
Volume
3.4980494865747E+22
Height
31445449.624108