66887586 is an even 8-digits composite number following 66887585
and preceding 66887587 . In scientific notation, it is written as 6.6887586 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 22295844 positive integers (up to 66887586) that are relatively prime to 66887586.
66887586 has 16 divisors, whose sum is 148639200
The reverse of 66887586 is 68578866
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million eight hundred eighty-seven thousand five hundred eighty-six
Scientific notation
6.6887586 × 10^7
Engineering notation
6.6887586 × 10^6
Prime Factorization
2 × 3 × 9 × 1238659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66887586
Product of the distinct prime numbers
The prime factorization of 66887586 is 2 × 3 × 9 × 1238659.
Since it has a total of 4 prime factors.
7 , 4 , 53 , 68 , 855 , 812 , 6438 , 6224 , 5776 , 39724 , 43866 , 85359 , 683103 , 7162600 , 33934246 , 85207408 , 768516022 , 990057572 , 9312500296 , 4544079219
n×2
133775172
n×3
200662758
n×4
267550344
n×5
334437930
n÷2
33443793
n÷3
22295862
n÷3
16721896.5
n÷5
13377517.2
n2
4473949160907396
n3
2.9925165925982E+23
n4
2.0016221094384E+31
n5
1.3388367098456E+39
2 √n
8178.4831111888
3 √n
405.92753121037
4 √n
90.434966197753
5 √n
36.734074671556
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 1238659 , 2477318 , 3715977 , 7431954 , 11147931 , 22295862 , 33443793 , 66887586
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
-66887585
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 66887586 can be divided by 16 positive divisors.
The sum of these divisors (counting 66887586) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111001001111110100010
3
Ternary
11122212020112000
4
Quaternary
3333021332202
5
Quinary
114110400321
6
Senary
10345344430
8
Octal
377117642
10
Decimal
66887586
12
Duodecimal
1a498116
16
Hexadecimal
3fc9fa2
20
Vigesimal
10i0ij6
36
Base36
13tmsi
md5
3d4f1bfc3bad4abf1e9f5cdfbd3f47f2
sha1
03e99865763cbc39df30c1ed4c5f391c8217b9a2
sha256
d248a4816969902339a16022ddb0b109a80794909d006db9578c005251957d06
sha512
82de1882aeab93b69ebcd0e954816e23e6216a3a319b8a992ec4d81bebbe7af08c390332c76e3c0164c0ae0184cb3643c7e0b1fa88638ec71012736b574e8683
ripemd-160
4f8fb7ff433382ac376c3c3e786a7e93c11d241f
Diameter
133775172
Circumference
420267097.58791
Area
1.4055325816441E+16
Volume
1.2535024190736E+24
Surface area
5.6221303265764E+16
Circumference
420267097.58791
Perimeter
267550344
Area
4473949160907396
Diagonal
94593331.275597
Surface area
26843694965444376
Volume
2.9925165925982E+23
Space diagonal
115852697.34763
Perimeter
200662758
Area
1.9372768142929E+15
Altitude
57926348.673816
Surface area
1.9372768142929E+15
Volume
3.5267146257324E+22
Height
31531110.425199