66879939 is an odd 8-digits composite number following 66879938
and preceding 66879940 . In scientific notation, it is written as 6.6879939 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 38167680 positive integers (up to 66879939) that are relatively prime to 66879939.
66879939 has 16 divisors, whose sum is 102044160
The reverse of 66879939 is 93997866
Previous prime number is 3089
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
sixty-six million eight hundred seventy-nine thousand nine hundred thirty-nine
Scientific notation
6.6879939 × 10^7
Engineering notation
6.6879939 × 10^6
Prime Factorization
3 × 7 × 3089 × 1031
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66879939
Product of the distinct prime numbers
The prime factorization of 66879939 is 3 × 7 × 3089 × 1031.
Since it has a total of 4 prime factors.
2 , 5 , 27 , 83 , 914 , 494 , 5739 , 668 , 92169 , 93585 , 116293 , 189338 , 3878655 , 8891278 , 73042940 , 40005577 , 810627460 , 651603579 , 6936273453 , 5529768140
n×2
133759878
n×3
200639817
n×4
267519756
n×5
334399695
n÷2
33439969.5
n÷3
22293313
n÷3
16719984.75
n÷5
13375987.8
n2
4472926240643721
n3
2.9914903412575E+23
n4
2.0007069154239E+31
n5
1.3380715646043E+39
2 √n
8178.0155905941
3 √n
405.91206124393
4 √n
90.432381316617
5 √n
36.733234700098
1 , 3 , 7 , 21 , 1031 , 3089 , 3093 , 7217 , 9267 , 21623 , 21651 , 64869 , 3184759 , 9554277 , 22293313 , 66879939
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
-66879938
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 66879939 can be divided by 16 positive divisors.
The sum of these divisors (counting 66879939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111001000000111000011
3
Ternary
11122211212000210
4
Quaternary
3333020013003
5
Quinary
114110124224
6
Senary
10345245203
8
Octal
377100703
10
Decimal
66879939
12
Duodecimal
1a493803
16
Hexadecimal
3fc81c3
20
Vigesimal
10hjjgj
36
Base36
13tgw3
md5
5a746b0ef038eac200b252f2fa35fa5f
sha1
ace15c234b599830dc31c98277a22db9daad21f1
sha256
2337da708c71fc42f60370b50ca1e45a11cb55f009a3f9408bed7d099eed0d7a
sha512
703ee8255ba173d1d9206afa425874aa78c32b7d813d540ec156762d8ee919a1814303976394f87a087a3d2dbbc1f757704017311d0a1232caa71607f338e75f
ripemd-160
b67ce0496e6763ced0770636fc3468d13080a4a4
Diameter
133759878
Circumference
420219050.06987
Area
1.4052112217655E+16
Volume
1.2530725439173E+24
Surface area
5.6208448870621E+16
Circumference
420219050.06987
Perimeter
267519756
Area
4472926240643721
Diagonal
94582516.784485
Surface area
26837557443862326
Volume
2.9914903412575E+23
Space diagonal
115839452.35511
Perimeter
200639817
Area
1.9368338768257E+15
Altitude
57919726.177554
Surface area
1.9368338768257E+15
Volume
3.5255051769287E+22
Height
31527505.594828