640291268 is an even 9-digits composite number following 640291267
and preceding 640291269 . In scientific notation, it is written as 6.40291268 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 317842152 positive integers (up to 640291268) that are relatively prime to 640291268.
640291268 has 12 divisors, whose sum is 1128571920
The reverse of 640291268 is 862192046
Previous prime number is 139
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty million two hundred ninety-one thousand two hundred sixty-eight
Scientific notation
6.40291268 × 10^8
Engineering notation
6.40291268 × 10^6
Prime Factorization
2 × 2 × 139 × 1151603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
320145634
Product of the distinct prime numbers
The prime factorization of 640291268 is 2 × 2 × 139 × 1151603.
Since it has a total of 4 prime factors.
3 , 2 , 73 , 25 , 951 , 475 , 9052 , 1993 , 92824 , 11705 , 299270 , 579363 , 1572703 , 6094117 , 34076652 , 98045288 , 50710537 , 112034893 , 3324092726 , 1874776516
n×2
1280582536
n×3
1920873804
n×4
2561165072
n×5
3201456340
n÷2
320145634
n÷3
213430422.66667
n÷3
160072817
n÷5
128058253.6
n2
409972907877047824
n3
2.6250207303024E+26
n4
1.6807778519316E+35
n5
1.0761873820396E+44
2 √n
25303.977315829
3 √n
861.90458907767
4 √n
159.07223929973
5 √n
57.713247934296
1 , 2 , 4 , 139 , 278 , 556 , 1151603 , 2303206 , 4606412 , 160072817 , 320145634 , 640291268
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
-640291267
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 640291268 can be divided by 12 positive divisors.
The sum of these divisors (counting 640291268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110001010100001000111000100
3
Ternary
1122121211011111102
4
Quaternary
212022201013010
5
Quinary
2302403310033
6
Senary
143311355232
8
Octal
4612410704
10
Decimal
640291268
12
Duodecimal
15a522b18
16
Hexadecimal
262a11c4
20
Vigesimal
a01g838
36
Base36
al7nwk
md5
f00f5e40d51c4eda720bf4c0e9dd9646
sha1
b600c8f407129965112fe43fbed31d6f998caae6
sha256
35483bd1bdef729eb0727ea14fd41417b1b7cc17ea07efc2ab25d345dd80e46b
sha512
38882ed65adad2ff4624ace77376ca47464ad2f801dad3d78ebe2a5abb00b5aa3a607160f2dcc6dc6e940fbaf9a98dece1da2e309cefb0f8a37613c7244ccfb4
ripemd-160
5794e03c51a50ea0eb2d0ae3168c8516ad36f3f3
Diameter
1280582536
Circumference
4023068687.413
Area
1.2879678755574E+18
Volume
1.0995661122452E+27
Surface area
5.1518715022295E+18
Circumference
4023068687.413
Perimeter
2561165072
Area
409972907877047824
Diagonal
905508595.07467
Surface area
2459837447262286944
Volume
2.6250207303024E+26
Space diagonal
1109017007.8187
Perimeter
1920873804
Area
1.7752347654245E+17
Altitude
554508503.90935
Surface area
1.7752347654245E+17
Volume
3.0936165985868E+25
Height
301836198.35822