640291231 is an odd 9-digits composite number following 640291230
and preceding 640291232 . In scientific notation, it is written as 6.40291231 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 640228864 positive integers (up to 640291231) that are relatively prime to 640291231.
640291231 has 4 divisors, whose sum is 640353600
The reverse of 640291231 is 132192046
Previous prime number is 12959
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
six hundred forty million two hundred ninety-one thousand two hundred thirty-one
Scientific notation
6.40291231 × 10^8
Engineering notation
6.40291231 × 10^6
Prime Factorization
12959 × 49409
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
640291231
Product of the distinct prime numbers
The prime factorization of 640291231 is 12959 × 49409.
Since it has a total of 2 prime factors.
9 , 6 , 66 , 62 , 589 , 156 , 3751 , 6248 , 26515 , 71152 , 207701 , 469529 , 5315938 , 6330159 , 55273627 , 82120398 , 982241675 , 516583698 , 1210645568 , 4545196495
n×2
1280582462
n×3
1920873693
n×4
2561164924
n×5
3201456155
n÷2
320145615.5
n÷3
213430410.33333
n÷3
160072807.75
n÷5
128058246.2
n2
409972860495495361
n3
2.6250202752325E+26
n4
1.6807774634286E+35
n5
1.0761870710957E+44
2 √n
25303.976584719
3 √n
861.9045724756
4 √n
159.07223700168
5 √n
57.71324726729
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
-640291230
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 640291231 can be divided by 4 positive divisors.
The sum of these divisors (counting 640291231) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001010100001000110011111
3
Ternary
1122121211011110001
4
Quaternary
212022201012133
5
Quinary
2302403304411
6
Senary
143311355131
8
Octal
4612410637
10
Decimal
640291231
12
Duodecimal
15a522aa7
16
Hexadecimal
262a119f
20
Vigesimal
a01g81b
36
Base36
al7nvj
md5
c932cfe34f6ff03f56b5251be2e889ec
sha1
91ebb55dd339efc975b048c38238e6d3e7e598bd
sha256
f873624acbe4c0f4ef56520deee1fffa02d19e33fd0c6d856843d0b4e8454943
sha512
1d06f9ebc9a222e68e5abfb64ea389445f8deabf7dca577ca51ec862296d486c12328ebed907b79c0a335428bcddd5aa19593b61bd12c084f48bcd7280ef84c5
ripemd-160
3be5bb039a03a1f7194da7bcbc93755069d3ddd7
Diameter
1280582462
Circumference
4023068454.9351
Area
1.2879677267038E+18
Volume
1.099565921626E+27
Surface area
5.1518709068154E+18
Circumference
4023068454.9351
Perimeter
2561164924
Area
409972860495495361
Diagonal
905508542.74876
Surface area
2459837162972972166
Volume
2.6250202752325E+26
Space diagonal
1109016943.7328
Perimeter
1920873693
Area
1.7752345602564E+17
Altitude
554508471.86641
Surface area
1.7752345602564E+17
Volume
3.0936160622818E+25
Height
301836180.91625