640768611 is an odd 9-digits composite number following 640768610
and preceding 640768612 . In scientific notation, it is written as 6.40768611 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 366153480 positive integers (up to 640768611) that are relatively prime to 640768611.
640768611 has 8 divisors, whose sum is 976409344
The reverse of 640768611 is 116867046
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred forty million seven hundred sixty-eight thousand six hundred eleven
Scientific notation
6.40768611 × 10^8
Engineering notation
6.40768611 × 10^6
Prime Factorization
3 × 7 × 30512791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
640768611
Product of the distinct prime numbers
The prime factorization of 640768611 is 3 × 7 × 30512791.
Since it has a total of 3 prime factors.
9 , 3 , 99 , 53 , 72 , 444 , 6008 , 6133 , 69761 , 61212 , 526960 , 842157 , 520579 , 689321 , 98294805 , 56969736 , 377685727 , 643336681 , 950695151 , 414514813
n×2
1281537222
n×3
1922305833
n×4
2563074444
n×5
3203843055
n÷2
320384305.5
n÷3
213589537
n÷3
160192152.75
n÷5
128153722.2
n2
410584412842869321
n3
2.6308960391558E+26
n4
1.6857956006952E+35
n5
1.0802049054874E+44
2 √n
25313.407731872
3 √n
862.11872179351
4 √n
159.10187846745
5 √n
57.721850520256
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
-640768610
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 640768611 can be divided by 8 positive divisors.
The sum of these divisors (counting 640768611) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001100010101101001100011
3
Ternary
1122122201102021210
4
Quaternary
212030111221203
5
Quinary
2303014043421
6
Senary
143325521203
8
Octal
4614255143
10
Decimal
640768611
12
Duodecimal
15a713203
16
Hexadecimal
26315a63
20
Vigesimal
a04g1ab
36
Base36
alhw83
md5
0297a3670b7474d254f2e1f9b5054c44
sha1
61bf2e9a8e8d940736e7d0b2fb93a9be641dac50
sha256
c5630255399629776749944176ee764a654dcf2d2f37ee218e59c153dd77edf3
sha512
6fd7d5f536dc7b1fee7137a67fb42ad57100f2dd16c9f05b65963f839966ed64296a9b7bde290ddcaeae92059b64fdedd301702c2673355d46d5da69fa24b60d
ripemd-160
3c7fce6dfbea8dbf5acdcbf55f8bb638423c1196
Diameter
1281537222
Circumference
4026067921.9371
Area
1.2898889750656E+18
Volume
1.1020271558627E+27
Surface area
5.1595559002625E+18
Circumference
4026067921.9371
Perimeter
2563074444
Area
410584412842869321
Diagonal
906183660.01917
Surface area
2463506477057215926
Volume
2.6308960391558E+26
Space diagonal
1109843790.1473
Perimeter
1922305833
Area
1.7778826595992E+17
Altitude
554921895.07367
Surface area
1.7778826595992E+17
Volume
3.1005407164731E+25
Height
302061220.00639