648768909 is an odd 9-digits composite number following 648768908
and preceding 648768910 . In scientific notation, it is written as 6.48768909 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 406691328 positive integers (up to 648768909) that are relatively prime to 648768909.
648768909 has 16 divisors, whose sum is 916762752
The reverse of 648768909 is 909867846
Previous prime number is 1193
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred forty-eight million seven hundred sixty-eight thousand nine hundred nine
Scientific notation
6.48768909 × 10^8
Engineering notation
6.48768909 × 10^6
Prime Factorization
3 × 17 × 1193 × 10663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
648768909
Product of the distinct prime numbers
The prime factorization of 648768909 is 3 × 17 × 1193 × 10663.
Since it has a total of 4 prime factors.
6 , 8 , 16 , 20 , 220 , 471 , 4850 , 9954 , 45017 , 58217 , 76408 , 99642 , 4406192 , 5659159 , 96681925 , 30554344 , 743831677 , 117078572 , 5654590501 , 5136988254
n×2
1297537818
n×3
1946306727
n×4
2595075636
n×5
3243844545
n÷2
324384454.5
n÷3
216256303
n÷3
162192227.25
n÷5
129753781.8
n2
420901097285050281
n3
2.7306754568252E+26
n4
1.7715773369576E+35
n5
1.1493442961071E+44
2 √n
25470.942444283
3 √n
865.69187809127
4 √n
159.59618555681
5 √n
57.865272919067
1 , 3 , 17 , 51 , 1193 , 3579 , 10663 , 20281 , 31989 , 60843 , 181271 , 543813 , 12720959 , 38162877 , 216256303 , 648768909
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-648768908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 648768909 can be divided by 16 positive divisors.
The sum of these divisors (counting 648768909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101010110110110110001101
3
Ternary
1200012202212122010
4
Quaternary
212222312312031
5
Quinary
2312041101114
6
Senary
144213211433
8
Octal
4652666615
10
Decimal
648768909
12
Duodecimal
161330b79
16
Hexadecimal
26ab6d8d
20
Vigesimal
a2eg259
36
Base36
aq9dal
md5
09bc74fae822a3bbd1f626bef3391b4e
sha1
7fe64d10f3ba1d77b7f1fbf885ca2223c430d272
sha256
740a1f41c0d8242569d455e18e73dc4e550cb23e2c43a32f98126fbdc1a490e2
sha512
cc5a978dc90b81c478ae2f357287625074f349220b32a3513a1cbb5b29377998d12c4ee3e0becc24fd899f3f891966bc53c4e0f5f1c7460a5e4d981fac91ec75
ripemd-160
faf4804571a7021c9f3aea8d968c9df420dd1358
Diameter
1297537818
Circumference
4076335276.7837
Area
1.3222997951186E+18
Volume
1.1438226606E+27
Surface area
5.2891991804744E+18
Circumference
4076335276.7837
Perimeter
2595075636
Area
420901097285050281
Diagonal
917497789.9538
Surface area
2525406583710301686
Volume
2.7306754568252E+26
Space diagonal
1123700712.759
Perimeter
1946306727
Area
1.822555213648E+17
Altitude
561850356.37951
Surface area
1.822555213648E+17
Volume
3.2181318879013E+25
Height
305832596.65127