664831391 is an odd 9-digits composite number following 664831390
and preceding 664831392 . In scientific notation, it is written as 6.64831391 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 569855472 positive integers (up to 664831391) that are relatively prime to 664831391.
664831391 has 4 divisors, whose sum is 759807312
The reverse of 664831391 is 193138466
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred sixty-four million eight hundred thirty-one thousand three hundred ninety-one
Scientific notation
6.64831391 × 10^8
Engineering notation
6.64831391 × 10^6
Prime Factorization
7 × 94975913
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
664831391
Product of the distinct prime numbers
The prime factorization of 664831391 is 7 × 94975913.
Since it has a total of 2 prime factors.
1 , 9 , 15 , 2 , 143 , 766 , 6659 , 7017 , 34179 , 83466 , 901374 , 732078 , 8654902 , 4972923 , 39396312 , 99900029 , 29834735 , 567697330 , 9401926666 , 6797892005
n×2
1329662782
n×3
1994494173
n×4
2659325564
n×5
3324156955
n÷2
332415695.5
n÷3
221610463.66667
n÷3
166207847.75
n÷5
132966278.2
n2
442000778458994881
n3
2.9385599236598E+26
n4
1.9536468815836E+35
n5
1.298845773806E+44
2 √n
25784.324520918
3 √n
872.77809751783
4 √n
160.57498099305
5 √n
58.149007088851
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
-664831390
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 664831391 can be divided by 4 positive divisors.
The sum of these divisors (counting 664831391) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111101000001000010110011111
3
Ternary
1201022222221012212
4
Quaternary
213220020112133
5
Quinary
2330144101031
6
Senary
145545351035
8
Octal
4750102637
10
Decimal
664831391
12
Duodecimal
16679847b
16
Hexadecimal
27a0859f
20
Vigesimal
a7f3i9b
36
Base36
aztn6n
md5
a17dc4a7433594486c7de19560f7ebc2
sha1
b76f703d20b93796cef31425e96e8c850c5daf9e
sha256
61364cf369fc95ab848e636dcf0b5415168eba8436b0bf5b815eea37e214ef0c
sha512
6162d569dff3bf8d88758a6d9325403d5e34ecd0bf327d061c567cf65ac1b88b710a2ca3db3534a4d1e40aa1d8d01f93537833a5b556e1b1918527b6d1039de8
ripemd-160
e3cd248a406045ba9f9ab4464d84aa2a914e9718
Diameter
1329662782
Circumference
4177258827.683
Area
1.3885863984877E+18
Volume
1.2309011024404E+27
Surface area
5.554345593951E+18
Circumference
4177258827.683
Perimeter
2659325564
Area
442000778458994881
Diagonal
940213569.84357
Surface area
2652004670753969286
Volume
2.9385599236598E+26
Space diagonal
1151521747.6787
Perimeter
1994494173
Area
1.9139195131899E+17
Altitude
575760873.83934
Surface area
1.9139195131899E+17
Volume
3.4631260815714E+25
Height
313404523.28119