640804540 is an even 9-digits composite number following 640804539
and preceding 640804541 . In scientific notation, it is written as 6.40804540 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 255256320 positive integers (up to 640804540) that are relatively prime to 640804540.
640804540 has 24 divisors, whose sum is 1351283472
The reverse of 640804540 is 045408046
Previous prime number is 241
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
six hundred forty million eight hundred four thousand five hundred forty
Scientific notation
6.40804540 × 10^8
Engineering notation
6.40804540 × 10^6
Prime Factorization
2 × 2 × 5 × 241 × 132947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
320402270
Product of the distinct prime numbers
The prime factorization of 640804540 is 2 × 2 × 5 × 241 × 132947.
Since it has a total of 5 prime factors.
10 , 4 , 58 , 96 , 336 , 709 , 6092 , 3855 , 8502 , 55696 , 159478 , 776924 , 9174631 , 1951364 , 19896731 , 28718916 , 943469846 , 158226935 , 8198851539 , 1707378046
n×2
1281609080
n×3
1922413620
n×4
2563218160
n×5
3204022700
n÷2
320402270
n÷3
213601513.33333
n÷3
160201135
n÷5
128160908
n2
410630458484611600
n3
2.6313386205922E+26
n4
1.6861737343528E+35
n5
1.080507784202E+44
2 √n
25314.117405116
3 √n
862.13483498637
4 √n
159.10410869967
5 √n
57.72249781846
1 , 2 , 4 , 5 , 10 , 20 , 241 , 482 , 964 , 1205 , 2410 , 4820 , 132947 , 265894 , 531788 , 664735 , 1329470 , 2658940 , 32040227 , 64080454 , 128160908 , 160201135 , 320402270 , 640804540
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640804539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640804540 can be divided by 24 positive divisors.
The sum of these divisors (counting 640804540) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110001100011110011010111100
3
Ternary
1122122210020120111
4
Quaternary
212030132122330
5
Quinary
2303021221130
6
Senary
143330355404
8
Octal
4614363274
10
Decimal
640804540
12
Duodecimal
15a72bb64
16
Hexadecimal
2631e6bc
20
Vigesimal
a050b70
36
Base36
aliny4
md5
3d3862beb6078958f0d9161ee1d74a3c
sha1
927e86759eeb600c3818a45e7ac1fb9002ee0694
sha256
4e18e40668a5824ed890b6a8d321a74931aeb05afae6e53544a5726245fbf465
sha512
f3d50e692e29766427f3ce09afbbb3707281bd1b720ef2f4175df02a5f4a5d301079b161942b5dcf9b74f3948e7baa56398ecc38070d9d99f169ca1f22e20ca0
ripemd-160
710865bcf5a5594c56deb37c892bc1ab98b3d8f8
Diameter
1281609080
Circumference
4026293670.502
Area
1.2900336317155E+18
Volume
1.1022125439413E+27
Surface area
5.1601345268619E+18
Circumference
4026293670.502
Perimeter
2563218160
Area
410630458484611600
Diagonal
906234471.29825
Surface area
2463782750907669600
Volume
2.6313386205922E+26
Space diagonal
1109906021.0008
Perimeter
1922413620
Area
1.7780820430766E+17
Altitude
554953010.5004
Surface area
1.7780820430766E+17
Volume
3.101062303698E+25
Height
302078157.09942