66706681 is an odd 8-digits composite number following 66706680
and preceding 66706682 . In scientific notation, it is written as 6.6706681 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 66552192 positive integers (up to 66706681) that are relatively prime to 66706681.
66706681 has 4 divisors, whose sum is 66861172
The reverse of 66706681 is 18660766
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-six million seven hundred six thousand six hundred eighty-one
Scientific notation
6.6706681 × 10^7
Engineering notation
6.6706681 × 10^6
Prime Factorization
433 × 154057
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66706681
Product of the distinct prime numbers
The prime factorization of 66706681 is 433 × 154057.
Since it has a total of 2 prime factors.
4 , 10 , 26 , 5 , 300 , 665 , 7963 , 8468 , 95797 , 91423 , 315038 , 748744 , 8176231 , 1957629 , 10997656 , 45955371 , 442242373 , 944867191 , 7360387151 , 3971230857
n×2
133413362
n×3
200120043
n×4
266826724
n×5
333533405
n÷2
33353340.5
n÷3
22235560.333333
n÷3
16676670.25
n÷5
13341336.2
n2
4449781290035761
n3
2.9683014103418E+23
n4
1.9800553529152E+31
n5
1.3208292078926E+39
2 √n
8167.4158091773
3 √n
405.56124189882
4 √n
90.373756197125
5 √n
36.714182852659
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66706680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66706681 can be divided by 4 positive divisors.
The sum of these divisors (counting 66706681) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110011101110011111001
3
Ternary
11122112001100211
4
Quaternary
3332131303321
5
Quinary
114034103211
6
Senary
10341431121
8
Octal
376356371
10
Decimal
66706681
12
Duodecimal
1a40b4a1
16
Hexadecimal
3f9dcf9
20
Vigesimal
10gi6e1
36
Base36
13pr7d
md5
3e33b5642f763ad1a8483cc3edf9f7be
sha1
916606365087f50181b465c8130e94fab0dcea98
sha256
50980717f7f2aef7cf006fe1e1e22e5a378ea122b9ffb2310ee46dcf9dd22ffb
sha512
74b8753c5fd00830f94a1e9edb33dea61681a11b1787b8469ea2a4dda466840400644d5acb5d8a3f9699566e878aea66dce2bbd3c340a716c2d99f7a1fd94909
ripemd-160
c0137cd88182398b006f2e7fabbdaff093ec4083
Diameter
133413362
Circumference
419130437.94992
Area
1.3979400210858E+16
Volume
1.2433591872494E+24
Surface area
5.5917600843431E+16
Circumference
419130437.94992
Perimeter
266826724
Area
4449781290035761
Diagonal
94337492.971096
Surface area
26698687740214566
Volume
2.9683014103418E+23
Space diagonal
115539360.69629
Perimeter
200120043
Area
1.9268118192278E+15
Altitude
57769680.348145
Surface area
1.9268118192278E+15
Volume
3.4981767597638E+22
Height
31445830.990365