66676989 is an odd 8-digits composite number following 66676988
and preceding 66676990 . In scientific notation, it is written as 6.6676989 × 10^7.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 44451324 positive integers (up to 66676989) that are relatively prime to 66676989.
66676989 has 4 divisors, whose sum is 88902656
The reverse of 66676989 is 98967666
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
sixty-six million six hundred seventy-six thousand nine hundred eighty-nine
Scientific notation
6.6676989 × 10^7
Engineering notation
6.6676989 × 10^6
Prime Factorization
3 × 22225663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66676989
Product of the distinct prime numbers
The prime factorization of 66676989 is 3 × 22225663.
Since it has a total of 2 prime factors.
6 , 7 , 89 , 70 , 189 , 156 , 8052 , 6876 , 29268 , 53500 , 169703 , 992573 , 2231527 , 8557830 , 5671088 , 66776775 , 32849198 , 308188767 , 6319954522 , 3492930889
n×2
133353978
n×3
200030967
n×4
266707956
n×5
333384945
n÷2
33338494.5
n÷3
22225663
n÷3
16669247.25
n÷5
13335397.8
n2
4445820862106121
n3
2.9643394871862E+23
n4
1.9765323137938E+31
n5
1.3178922334497E+39
2 √n
8165.5978960515
3 √n
405.50105946368
4 √n
90.363697888319
5 √n
36.710913879768
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
-66676988
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 66676989 can be divided by 4 positive divisors.
The sum of these divisors (counting 66676989) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110010110100011111101
3
Ternary
11122110112122010
4
Quaternary
3332112203331
5
Quinary
114032130424
6
Senary
10341041433
8
Octal
376264375
10
Decimal
66676989
12
Duodecimal
1a3b6279
16
Hexadecimal
3f968fd
20
Vigesimal
10gec99
36
Base36
13p4al
md5
f06d1a7068c997cf8d55f8560eee36d1
sha1
0656fef3d8d0ed23cdda8ab955bfb1243df99a6c
sha256
886b5e6705e6599c4fe9540e54ac1f33a85769bc2cb0ea211f502591a72e33e4
sha512
17d4d7dfe226568879d38f592b9dd2b1f5a6cda8c66185cc20ef80d69307c847c0226a3acd457d6b0e644dd1737c655292ea8f7b09885c72bf0889b5f1f80ebf
ripemd-160
3ce77b928033f06df60c55712ad422e7b2b5edaf
Diameter
133353978
Circumference
418943877.61177
Area
1.3966958159569E+16
Volume
1.2416996207587E+24
Surface area
5.5867832638275E+16
Circumference
418943877.61177
Perimeter
266707956
Area
4445820862106121
Diagonal
94295502.142002
Surface area
26674925172636726
Volume
2.9643394871862E+23
Space diagonal
115487932.64371
Perimeter
200030967
Area
1.9250969036294E+15
Altitude
57743966.321856
Surface area
1.9250969036294E+15
Volume
3.4935075885474E+22
Height
31431834.047334