640966906 is an even 9-digits composite number following 640966905
and preceding 640966907 . In scientific notation, it is written as 6.40966906 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 320275008 positive integers (up to 640966906) that are relatively prime to 640966906.
640966906 has 8 divisors, whose sum is 962075700
The reverse of 640966906 is 609669046
Previous prime number is 1549
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred forty million nine hundred sixty-six thousand nine hundred six
Scientific notation
6.40966906 × 10^8
Engineering notation
6.40966906 × 10^6
Prime Factorization
2 × 1549 × 206897
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
640966906
Product of the distinct prime numbers
The prime factorization of 640966906 is 2 × 1549 × 206897.
Since it has a total of 3 prime factors.
2 , 3 , 64 , 47 , 452 , 134 , 7325 , 2278 , 18087 , 39035 , 715092 , 137755 , 1998417 , 5453782 , 93504694 , 40045468 , 934152470 , 436848826 , 2370428811 , 9541835124
n×2
1281933812
n×3
1922900718
n×4
2563867624
n×5
3204834530
n÷2
320483453
n÷3
213655635.33333
n÷3
160241726.5
n÷5
128193381.2
n2
410838574587212836
n3
2.6333393001862E+26
n4
1.6878833436885E+35
n5
1.081877364493E+44
2 √n
25317.324226703
3 √n
862.20764427261
4 √n
159.11418612651
5 √n
57.725422648344
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
-640966905
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 640966906 can be divided by 8 positive divisors.
The sum of these divisors (counting 640966906) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001101000110000011111010
3
Ternary
1122200002111022001
4
Quaternary
212031012003322
5
Quinary
2303041420111
6
Senary
143334051214
8
Octal
4615060372
10
Decimal
640966906
12
Duodecimal
15a7a9b0a
16
Hexadecimal
263460fa
20
Vigesimal
a060h56
36
Base36
alm58a
md5
582b1c921916e7de99b10d4f74547016
sha1
9cbc290defb9b887bc4d803a695129ab07c952a2
sha256
f14dd4ca5c69d1df81d1569334f0b749a1dd3cbe15710bb59004a18711acf59a
sha512
c12c5096fe989cc31e4f4e1738d21fe9e41d300bace1ef1960956e5856f714409046edbcd36fdcfa7e1ccc308b3ff0b31c5ff837f75b45147f9f25535a59f56c
ripemd-160
a34af1f957911cca7d75175f246767445afb9027
Diameter
1281933812
Circumference
4027313846.1676
Area
1.2906874477345E+18
Volume
1.1030505866499E+27
Surface area
5.162749790938E+18
Circumference
4027313846.1676
Perimeter
2563867624
Area
410838574587212836
Diagonal
906464091.49752
Surface area
2465031447523277016
Volume
2.6333393001862E+26
Space diagonal
1110187247.1622
Perimeter
1922900718
Area
1.7789832122356E+17
Altitude
555093623.58111
Surface area
1.7789832122356E+17
Volume
3.1034201272111E+25
Height
302154697.16584