66706988 is an even 8-digits composite number following 66706987
and preceding 66706989 . In scientific notation, it is written as 6.6706988 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 6 positive divisors.
There are 33353492 positive integers (up to 66706988) that are relatively prime to 66706988.
66706988 has 6 divisors, whose sum is 116737236
The reverse of 66706988 is 88960766
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-six million seven hundred six thousand nine hundred eighty-eight
Scientific notation
6.6706988 × 10^7
Engineering notation
6.6706988 × 10^6
Prime Factorization
2 × 2 × 16676747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
33353494
Product of the distinct prime numbers
The prime factorization of 66706988 is 2 × 2 × 16676747.
Since it has a total of 3 prime factors.
3 , 9 , 47 , 47 , 372 , 857 , 8032 , 18 , 60880 , 20404 , 775591 , 787508 , 6005856 , 2796023 , 5928155 , 18166592 , 491969310 , 519472826 , 9649396562 , 8362058829
n×2
133413976
n×3
200120964
n×4
266827952
n×5
333534940
n÷2
33353494
n÷3
22235662.666667
n÷3
16676747
n÷5
13341397.6
n2
4449822248032144
n3
2.9683423930161E+23
n4
1.9800918039082E+31
n5
1.320859602022E+39
2 √n
8167.4346033501
3 √n
405.56186406094
4 √n
90.373860177322
5 √n
36.714216646076
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66706987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66706988 can be divided by 6 positive divisors.
The sum of these divisors (counting 66706988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
11111110011101111000101100
3
Ternary
11122112001210012
4
Quaternary
3332131320230
5
Quinary
114034110423
6
Senary
10341432352
8
Octal
376357054
10
Decimal
66706988
12
Duodecimal
1a40b6b8
16
Hexadecimal
3f9de2c
20
Vigesimal
10gi798
36
Base36
13prfw
md5
7be287c6d87da6ef8843041c7c8f2058
sha1
586f6946b9c8080a3cb56b88ae4a63df1d36cb7d
sha256
a332eab89d77f4db45dad8a685a90d86ec23dcbece77d398dcdeda9e597f003f
sha512
7d1aabf809e36cdc32972e338fc9517eba05b0507f18c7dcd4b442bf59ad2ee91cbd392462ac18aeb86e1ee51efed8a136126bf327eeaccb787841e4e1a3b83e
ripemd-160
996ffe051a6da438e29db1607d57ed1ff947396d
Diameter
133413976
Circumference
419132366.8878
Area
1.3979528884198E+16
Volume
1.2433763540318E+24
Surface area
5.5918115536793E+16
Circumference
419132366.8878
Perimeter
266827952
Area
4449822248032144
Diagonal
94337927.134659
Surface area
26698933488192864
Volume
2.9683423930161E+23
Space diagonal
115539892.43589
Perimeter
200120964
Area
1.9268295545605E+15
Altitude
57769946.217944
Surface area
1.9268295545605E+15
Volume
3.4982250583087E+22
Height
31445975.711553