66438892 is an even 8-digits composite number following 66438891
and preceding 66438893 . In scientific notation, it is written as 6.6438892 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 30084288 positive integers (up to 66438892) that are relatively prime to 66438892.
66438892 has 12 divisors, whose sum is 116441640
The reverse of 66438892 is 29883466
Previous prime number is 689
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-six million four hundred thirty-eight thousand eight hundred ninety-two
Scientific notation
6.6438892 × 10^7
Engineering notation
6.6438892 × 10^6
Prime Factorization
2 × 2 × 689 × 24107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33219446
Product of the distinct prime numbers
The prime factorization of 66438892 is 2 × 2 × 689 × 24107.
Since it has a total of 4 prime factors.
3 , 3 , 31 , 54 , 384 , 668 , 3040 , 8689 , 67600 , 16306 , 652957 , 160921 , 4089177 , 2637879 , 8215466 , 64558778 , 252108940 , 360714186 , 8340803175 , 6571816216
n×2
132877784
n×3
199316676
n×4
265755568
n×5
332194460
n÷2
33219446
n÷3
22146297.333333
n÷3
16609723
n÷5
13287778.4
n2
4414126370187664
n3
2.9326966518325E+23
n4
1.9484511611986E+31
n5
1.2945293626615E+39
2 √n
8151.0055821352
3 √n
405.01781560607
4 √n
90.282919658899
5 √n
36.68465813437
1 , 2 , 4 , 689 , 1378 , 2756 , 24107 , 48214 , 96428 , 16609723 , 33219446 , 66438892
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66438891
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66438892 can be divided by 12 positive divisors.
The sum of these divisors (counting 66438892) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111101011100011011101100
3
Ternary
11122000110000201
4
Quaternary
3331130123230
5
Quinary
114002021032
6
Senary
10332003244
8
Octal
375343354
10
Decimal
66438892
12
Duodecimal
1a300524
16
Hexadecimal
3f5c6ec
20
Vigesimal
10f4h4c
36
Base36
13k0ks
md5
3b8c525c18c48d24b901a9db4ac7b4d1
sha1
b02d832533c5cfb43850ad5c5f054053a6bafb01
sha256
56529855d2deec74982a96b5c50b4b5b39a032f53978861fc47254e073ef3c28
sha512
cb478b9099222a29800ec1c2c8c2de1a6a16e607fc1cc3150d8a4e3a0bb82513a42bcbce3798bd70e25710d76b749b99f0f7acd7783e9c2cd6bba83c9c0808f3
ripemd-160
42727e6970b8241e6b59f7ce8a3ee7b2cf05839d
Diameter
132877784
Circumference
417447870.03969
Area
1.3867386976599E+16
Volume
1.2284451008806E+24
Surface area
5.5469547906394E+16
Circumference
417447870.03969
Perimeter
265755568
Area
4414126370187664
Diagonal
93958782.135441
Surface area
26484758221125984
Volume
2.9326966518325E+23
Space diagonal
115075536.54258
Perimeter
199316676
Area
1.9113727860487E+15
Altitude
57537768.271291
Surface area
1.9113727860487E+15
Volume
3.4562161494564E+22
Height
31319594.045147