66706989 is an odd 8-digits composite number following 66706988
and preceding 66706990 . In scientific notation, it is written as 6.6706989 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 42710976 positive integers (up to 66706989) that are relatively prime to 66706989.
66706989 has 16 divisors, whose sum is 92496000
The reverse of 66706989 is 98960766
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-six million seven hundred six thousand nine hundred eighty-nine
Scientific notation
6.6706989 × 10^7
Engineering notation
6.6706989 × 10^6
Prime Factorization
3 × 199 × 29 × 3853
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66706989
Product of the distinct prime numbers
The prime factorization of 66706989 is 3 × 199 × 29 × 3853.
Since it has a total of 4 prime factors.
4 , 9 , 81 , 28 , 430 , 789 , 7352 , 6719 , 43595 , 50680 , 705033 , 895667 , 9466743 , 8161677 , 13887498 , 81783046 , 800932774 , 701887857 , 4516239755 , 4793360779
n×2
133413978
n×3
200120967
n×4
266827956
n×5
333534945
n÷2
33353494.5
n÷3
22235663
n÷3
16676747.25
n÷5
13341397.8
n2
4449822381446121
n3
2.9683425265108E+23
n4
1.9800919226419E+31
n5
1.3208597010266E+39
2 √n
8167.4346645688
3 √n
405.56186608753
4 √n
90.373860516019
5 √n
36.714216756152
1 , 3 , 29 , 87 , 199 , 597 , 3853 , 5771 , 11559 , 17313 , 111737 , 335211 , 766747 , 2300241 , 22235663 , 66706989
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
-66706988
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 66706989 can be divided by 16 positive divisors.
The sum of these divisors (counting 66706989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111110011101111000101101
3
Ternary
11122112001210020
4
Quaternary
3332131320231
5
Quinary
114034110424
6
Senary
10341432353
8
Octal
376357055
10
Decimal
66706989
12
Duodecimal
1a40b6b9
16
Hexadecimal
3f9de2d
20
Vigesimal
10gi799
36
Base36
13prfx
md5
bf26dec57e261e8b168315040f0c00e3
sha1
7cef22bfa35d2b034759bfedd94c65c52b180a71
sha256
bdbe33b01ffd9acdea0e457eb4396a379f4f22780a9130537f0345f341418640
sha512
e8f5006b36ae8a843b1012e748cecbdaa9d15d25c4e206111062b3da45a91e6de5f8dc0b1fc8269fdbbd2874e5f1eb11d4c05b88b05059619311d2354fe9f8c6
ripemd-160
75631e11d901ba8defc04dc8ba44b88504c26fc4
Diameter
133413978
Circumference
419132373.17099
Area
1.3979529303331E+16
Volume
1.2433764099499E+24
Surface area
5.5918117213322E+16
Circumference
419132373.17099
Perimeter
266827956
Area
4449822381446121
Diagonal
94337928.548873
Surface area
26698934288676726
Volume
2.9683425265108E+23
Space diagonal
115539894.16794
Perimeter
200120967
Area
1.9268296123305E+15
Altitude
57769947.083969
Surface area
1.9268296123305E+15
Volume
3.4982252156337E+22
Height
31445976.182958