640804919 is an odd 9-digits composite number following 640804918
and preceding 640804920 . In scientific notation, it is written as 6.40804919 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 603110496 positive integers (up to 640804919) that are relatively prime to 640804919.
640804919 has 4 divisors, whose sum is 678499344
The reverse of 640804919 is 919408046
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred forty million eight hundred four thousand nine hundred nineteen
Scientific notation
6.40804919 × 10^8
Engineering notation
6.40804919 × 10^6
Prime Factorization
17 × 37694407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
640804919
Product of the distinct prime numbers
The prime factorization of 640804919 is 17 × 37694407.
Since it has a total of 2 prime factors.
3 , 10 , 3 , 43 , 459 , 925 , 5123 , 9004 , 70077 , 4310 , 858755 , 707346 , 9600168 , 6504306 , 48576833 , 21758024 , 383174498 , 873229097 , 4381186946 , 8748490917
n×2
1281609838
n×3
1922414757
n×4
2563219676
n×5
3204024595
n÷2
320402459.5
n÷3
213601639.66667
n÷3
160201229.75
n÷5
128160983.8
n2
410630944214596561
n3
2.6313432894633E+26
n4
1.6861777234657E+35
n5
1.080510979505E+44
2 √n
25314.124891056
3 √n
862.1350049545
4 √n
159.10413222496
5 √n
57.722504646384
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
-640804918
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 640804919 can be divided by 4 positive divisors.
The sum of these divisors (counting 640804919) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001100011110100000110111
3
Ternary
1122122210021002112
4
Quaternary
212030132200313
5
Quinary
2303021224134
6
Senary
143330401235
8
Octal
4614364067
10
Decimal
640804919
12
Duodecimal
15a73021b
16
Hexadecimal
2631e837
20
Vigesimal
a050c5j
36
Base36
alio8n
md5
cede6acae974e60a70ed9d01c89efd39
sha1
55860d9bf6fbbcc7a559e82fee9d8d6ec9b4049e
sha256
7434d314d37ac2838680ec0abe29bb50e7a62f37363734321377405bade03253
sha512
03ae5b2e2f62489c7760347267902fd4ad9d13dc8abcf2142f7b335dd115ccdad4264a6337b08d7cd5ef2309f6e5043c915dbb7733b0a507b15ba405fa682558
ripemd-160
2b579c1eb3098daaa567125ca7c7a51e5ec94b6e
Diameter
1281609838
Circumference
4026296051.8292
Area
1.2900351576812E+18
Volume
1.1022144996334E+27
Surface area
5.1601406307249E+18
Circumference
4026296051.8292
Perimeter
2563219676
Area
410630944214596561
Diagonal
906235007.28519
Surface area
2463785665287579366
Volume
2.6313432894633E+26
Space diagonal
1109906677.4481
Perimeter
1922414757
Area
1.7780841463492E+17
Altitude
554953338.72403
Surface area
1.7780841463492E+17
Volume
3.1010678060153E+25
Height
302078335.76173