66885790 is an even 8-digits composite number following 66885789
and preceding 66885791 . In scientific notation, it is written as 6.6885790 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 26754312 positive integers (up to 66885790) that are relatively prime to 66885790.
66885790 has 8 divisors, whose sum is 120394440
The reverse of 66885790 is 09758866
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-six million eight hundred eighty-five thousand seven hundred ninety
Scientific notation
6.6885790 × 10^7
Engineering notation
6.6885790 × 10^6
Prime Factorization
2 × 5 × 6688579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66885790
Product of the distinct prime numbers
The prime factorization of 66885790 is 2 × 5 × 6688579.
Since it has a total of 3 prime factors.
2 , 3 , 82 , 25 , 345 , 530 , 7968 , 4969 , 14157 , 56866 , 60975 , 548286 , 5054024 , 5233567 , 25461601 , 43309616 , 203841762 , 597056644 , 58566005 , 452357092
n×2
133771580
n×3
200657370
n×4
267543160
n×5
334428950
n÷2
33442895
n÷3
22295263.333333
n÷3
16721447.5
n÷5
13377158
n2
4473708903924100
n3
2.99227554269E+23
n4
2.001407135705E+31
n5
1.3386569738326E+39
2 √n
8178.3733101394
3 √n
405.92389798825
4 √n
90.434359123838
5 √n
36.733877399953
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66885789
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66885790 can be divided by 8 positive divisors.
The sum of these divisors (counting 66885790) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111001001100010011110
3
Ternary
11122212011001111
4
Quaternary
3333021202132
5
Quinary
114110321130
6
Senary
10345332234
8
Octal
377114236
10
Decimal
66885790
12
Duodecimal
1a49707a
16
Hexadecimal
3fc989e
20
Vigesimal
10i0e9a
36
Base36
13tlem
md5
daa0134196989bf1bfc52a1514718e29
sha1
2cd1c895453ddebb179d7b167829647dbe191bcc
sha256
003505eec9af221fe0d311c45570fbbf38ee86172f021bfd52f90f7a079c6d52
sha512
9ed703453152d8c213e51d63f44ff330e7632fe9c1722256b53993208debc05742885133aabee932c0cc8467d83139d29f077b9d71b71a638db10fa8389c5e58
ripemd-160
29ddffb2327755315ada44c3b761b509a5aee86d
Diameter
133771580
Circumference
420255812.9871
Area
1.4054571026867E+16
Volume
1.2534014483242E+24
Surface area
5.6218284107469E+16
Circumference
420255812.9871
Perimeter
267543160
Area
4473708903924100
Diagonal
94590791.348039
Surface area
26842253423544600
Volume
2.99227554269E+23
Space diagonal
115849586.58438
Perimeter
200657370
Area
1.9371727799675E+15
Altitude
57924793.292191
Surface area
1.9371727799675E+15
Volume
3.5264305456912E+22
Height
31530263.78268