66706987 is an odd 8-digits prime number following 66706986
and preceding 66706988 . In scientific notation, it is written as 6.6706987 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 66706986 positive integers (up to 66706987) that are relatively prime to 66706987.
66706987 has 2 divisors, whose sum is 66706988
The reverse of 66706987 is 78960766
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-six million seven hundred six thousand nine hundred eighty-seven
Scientific notation
6.6706987 × 10^7
Engineering notation
6.6706987 × 10^6
Prime Factorization
66706987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
66706987
Product of the distinct prime numbers
The prime factorization of 66706987 is 66706987.
Since it has a total of 1 prime factors.
1 , 6 , 25 , 48 , 508 , 510 , 561 , 5687 , 37388 , 69362 , 697774 , 200724 , 8656482 , 8105085 , 2104859 , 12316656 , 984150979 , 220277109 , 6192534164 , 1591017190
n×2
133413974
n×3
200120961
n×4
266827948
n×5
333534935
n÷2
33353493.5
n÷3
22235662.333333
n÷3
16676746.75
n÷5
13341397.4
n2
4449822114618169
n3
2.9683422595215E+23
n4
1.9800916851745E+31
n5
1.3208595030174E+39
2 √n
8167.4345421313
3 √n
405.56186203436
4 √n
90.373859838624
5 √n
36.714216536
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
66706988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
33353494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8167.4346033501
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999700181
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66706987 can be divided by 2 positive divisors.
The sum of these divisors (counting 66706987) is 66706988, the average is 33353494.
Base
System
Value
2
Binary
11111110011101111000101011
3
Ternary
11122112001210011
4
Quaternary
3332131320223
5
Quinary
114034110422
6
Senary
10341432351
8
Octal
376357053
10
Decimal
66706987
12
Duodecimal
1a40b6b7
16
Hexadecimal
3f9de2b
20
Vigesimal
10gi797
36
Base36
13prfv
md5
d578dd5b305659684955c0f597863a8a
sha1
b72b359a668323a2b4e319fea4c513e955c2e78d
sha256
d76084d70328e5605ba5e4330da7337645c1e91d0c5a4ca690554d862221bd9f
sha512
78bf574e2f06cd164b139af68efae0b2e553415ac63a3536e7cd7e88290647134a8732001ef2e578f285e195eb68605ba39e0aa0a4787109f0918f6240f7440e
ripemd-160
82bd0b2f68d0c985ac3b79c1c06805252eec2e98
Diameter
133413974
Circumference
419132360.60462
Area
1.3979528465066E+16
Volume
1.2433762981137E+24
Surface area
5.5918113860263E+16
Circumference
419132360.60462
Perimeter
266827948
Area
4449822114618169
Diagonal
94337925.720446
Surface area
26698932687709014
Volume
2.9683422595215E+23
Space diagonal
115539890.70384
Perimeter
200120961
Area
1.9268294967906E+15
Altitude
57769945.351918
Surface area
1.9268294967906E+15
Volume
3.4982249009837E+22
Height
31445975.240149