640940306 is an even 9-digits composite number following 640940305
and preceding 640940307 . In scientific notation, it is written as 6.40940306 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 320420608 positive integers (up to 640940306) that are relatively prime to 640940306.
640940306 has 8 divisors, whose sum is 961559100
The reverse of 640940306 is 603049046
Previous prime number is 7649
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
six hundred forty million nine hundred forty thousand three hundred six
Scientific notation
6.40940306 × 10^8
Engineering notation
6.40940306 × 10^6
Prime Factorization
2 × 7649 × 41897
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
640940306
Product of the distinct prime numbers
The prime factorization of 640940306 is 2 × 7649 × 41897.
Since it has a total of 3 prime factors.
3 , 3 , 29 , 70 , 331 , 376 , 2387 , 3142 , 43704 , 48888 , 478584 , 661887 , 3623444 , 9098263 , 38231234 , 89100902 , 501386856 , 809285341 , 3973936872 , 1766881226
n×2
1281880612
n×3
1922820918
n×4
2563761224
n×5
3204701530
n÷2
320470153
n÷3
213646768.66667
n÷3
160235076.5
n÷5
128188061.2
n2
410804475855373636
n3
2.6330114646091E+26
n4
1.6876031738281E+35
n5
1.0816528946399E+44
2 √n
25316.798889275
3 √n
862.19571695864
4 √n
159.112535299
5 √n
57.724943521663
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640940305
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640940306 can be divided by 8 positive divisors.
The sum of these divisors (counting 640940306) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001100111111100100010010
3
Ternary
1122200001010210212
4
Quaternary
212030333210102
5
Quinary
2303040042211
6
Senary
143333324122
8
Octal
4614774422
10
Decimal
640940306
12
Duodecimal
15a796642
16
Hexadecimal
2633f912
20
Vigesimal
a05haf6
36
Base36
allkpe
md5
699d4ae77122fa9d21eb7771005d62fc
sha1
e4ba69f01196daf5118ca8dc6155956b1094ea79
sha256
49db02322ca22ed225e450ce082875f61bc7df63b623746c6709965ad9979924
sha512
cf2f2e70b37a84114171cc49c1ae291aec8e5f358eebf4598736f74e9c4edd4108a1d025560e5daf0a317f6a1b8245763a096bf0238f6be2ee27f23ef3162ea7
ripemd-160
9320a1b21ff921f8266076c8ec28434ce2417272
Diameter
1281880612
Circumference
4027146713.4384
Area
1.290580323409E+18
Volume
1.1029132632045E+27
Surface area
5.1623212936362E+18
Circumference
4027146713.4384
Perimeter
2563761224
Area
410804475855373636
Diagonal
906426473.41676
Surface area
2464826855132241816
Volume
2.6330114646091E+26
Space diagonal
1110141174.6107
Perimeter
1922820918
Area
1.7788355603955E+17
Altitude
555070587.30537
Surface area
1.7788355603955E+17
Volume
3.1030337692784E+25
Height
302142157.80559