666538897 is an odd 9-digits composite number following 666538896
and preceding 666538898 . In scientific notation, it is written as 6.66538897 × 10^8.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 666409780 positive integers (up to 666538897) that are relatively prime to 666538897.
666538897 has 4 divisors, whose sum is 666668016
The reverse of 666538897 is 798835666
Previous prime number is 5387
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
six hundred sixty-six million five hundred thirty-eight thousand eight hundred ninety-seven
Scientific notation
6.66538897 × 10^8
Engineering notation
6.66538897 × 10^6
Prime Factorization
5387 × 123731
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
666538897
Product of the distinct prime numbers
The prime factorization of 666538897 is 5387 × 123731.
Since it has a total of 2 prime factors.
5 , 6 , 21 , 47 , 657 , 928 , 2284 , 7319 , 65897 , 11887 , 82439 , 674063 , 3169410 , 9501788 , 5040983 , 17611942 , 277998192 , 705663970 , 3178321276 , 3332493509
n×2
1333077794
n×3
1999616691
n×4
2666155588
n×5
3332694485
n÷2
333269448.5
n÷3
222179632.33333
n÷3
166634724.25
n÷5
133307779.4
n2
444274101213976609
n3
2.9612596938883E+26
n4
1.9737947700949E+35
n5
1.3156109889634E+44
2 √n
25817.414607199
3 √n
873.52465262821
4 √n
160.67798420194
5 √n
58.17884561128
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
-666538896
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 666538897 can be divided by 4 positive divisors.
The sum of these divisors (counting 666538897) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111101110101001001110010001
3
Ternary
1201110012200110211
4
Quaternary
213232221032101
5
Quinary
2331113221042
6
Senary
150050124121
8
Octal
4756511621
10
Decimal
666538897
12
Duodecimal
167280641
16
Hexadecimal
27ba9391
20
Vigesimal
a85h74h
36
Base36
b0u8pd
md5
0b37ba56f9d62540cfc53d469ada8c2c
sha1
9c84b1bd58e2d53e962cb27b4acae6da14999fc6
sha256
1e98dd80cac740086bc925526485988b8e7299ecb132fa112f011d944785f0ed
sha512
8b5ffe28181ef33d9aa7085dabc6adc1657f3871ac19ec8f8ffb34b182f545211840e35cb8028a8af2222cd777b516f53ab7a30bc3cd34c652bfa7d1430a3f0a
ripemd-160
d325d90fc1c489113f99bd266cd740f04f5ca416
Diameter
1333077794
Circumference
4187987404.2941
Area
1.395728252554E+18
Volume
1.2404095599588E+27
Surface area
5.5829130102161E+18
Circumference
4187987404.2941
Perimeter
2666155588
Area
444274101213976609
Diagonal
942628347.9866
Surface area
2665644607283859654
Volume
2.9612596938883E+26
Space diagonal
1154479234.8249
Perimeter
1999616691
Area
1.923763289474E+17
Altitude
577239617.41246
Surface area
1.923763289474E+17
Volume
3.489878017338E+25
Height
314209449.32887