66706661 is an odd 8-digits composite number following 66706660
and preceding 66706662 . In scientific notation, it is written as 6.6706661 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 57177132 positive integers (up to 66706661) that are relatively prime to 66706661.
66706661 has 4 divisors, whose sum is 76236192
The reverse of 66706661 is 16660766
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-six million seven hundred six thousand six hundred sixty-one
Scientific notation
6.6706661 × 10^7
Engineering notation
6.6706661 × 10^6
Prime Factorization
7 × 9529523
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66706661
Product of the distinct prime numbers
The prime factorization of 66706661 is 7 × 9529523.
Since it has a total of 2 prime factors.
5 , 3 , 22 , 37 , 922 , 695 , 1497 , 5100 , 3332 , 12196 , 647533 , 798597 , 2259206 , 718646 , 2447634 , 8861363 , 60857451 , 834889433 , 7183572633 , 8259407504
n×2
133413322
n×3
200119983
n×4
266826644
n×5
333533305
n÷2
33353330.5
n÷3
22235553.666667
n÷3
16676665.25
n÷5
13341332.2
n2
4449778621768921
n3
2.9682987404739E+23
n4
1.9800529782752E+31
n5
1.3208272278384E+39
2 √n
8167.4145847998
3 √n
405.56120136702
4 √n
90.373749423158
5 √n
36.71418065113
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
-66706660
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 66706661 can be divided by 4 positive divisors.
The sum of these divisors (counting 66706661) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110011101110011100101
3
Ternary
11122112001100002
4
Quaternary
3332131303211
5
Quinary
114034103121
6
Senary
10341431045
8
Octal
376356345
10
Decimal
66706661
12
Duodecimal
1a40b485
16
Hexadecimal
3f9dce5
20
Vigesimal
10gi6d1
36
Base36
13pr6t
md5
01e48e21ec1e5f9438c26e03beed7efb
sha1
9f5a8b9f8071cb3b9eea9137799e6dbf2eecad0b
sha256
9111d4b48c7fdc213b462d9e0a75dfd8e4ae643ab0cda4d831f4834addffb9e8
sha512
b80aef541a3e331dbdd90b9a0bbe8dcbea4c209961000652c66accff9af6362163475b427c76322612ae76952541c71136b38f2fb45cf6f75ae585a30f5e01f8
ripemd-160
20d979edafd133eafbd97f4d0f57fe0580c7efaf
Diameter
133413322
Circumference
419130312.28621
Area
1.397939182825E+16
Volume
1.2433580688977E+24
Surface area
5.5917567313001E+16
Circumference
419130312.28621
Perimeter
266826644
Area
4449778621768921
Diagonal
94337464.686824
Surface area
26698671730613526
Volume
2.9682987404739E+23
Space diagonal
115539326.05527
Perimeter
200119983
Area
1.9268106638344E+15
Altitude
57769663.027637
Surface area
1.9268106638344E+15
Volume
3.4981736132943E+22
Height
31445821.562275