668743644 is an even 9-digits composite number following 668743643
and preceding 668743645 . In scientific notation, it is written as 6.68743644 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 222914544 positive integers (up to 668743644) that are relatively prime to 668743644.
668743644 has 12 divisors, whose sum is 1560401864
The reverse of 668743644 is 446347866
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred sixty-eight million seven hundred forty-three thousand six hundred forty-four
Scientific notation
6.68743644 × 10^8
Engineering notation
6.68743644 × 10^6
Prime Factorization
2 × 2 × 3 × 55728637
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
334371822
Product of the distinct prime numbers
The prime factorization of 668743644 is 2 × 2 × 3 × 55728637.
Since it has a total of 4 prime factors.
10 , 8 , 16 , 35 , 549 , 2 , 4567 , 5073 , 34305 , 90405 , 73453 , 774347 , 4376391 , 8235194 , 97714701 , 36369707 , 444469496 , 989871853 , 6294364739 , 6549921292
n×2
1337487288
n×3
2006230932
n×4
2674974576
n×5
3343718220
n÷2
334371822
n÷3
222914548
n÷3
167185911
n÷5
133748728.8
n2
447218061390398736
n3
2.9907423603683E+26
n4
2.0000399443379E+35
n5
1.3375140005221E+44
2 √n
25860.078190137
3 √n
874.48672765514
4 √n
160.81069053436
5 √n
58.217283055266
1 , 2 , 3 , 4 , 6 , 12 , 55728637 , 111457274 , 167185911 , 222914548 , 334371822 , 668743644
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668743643
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668743644 can be divided by 12 positive divisors.
The sum of these divisors (counting 668743644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111110111000011011111011100
3
Ternary
1201121100200211010
4
Quaternary
213313003133130
5
Quinary
2332144244034
6
Senary
150205255220
8
Octal
4767033734
10
Decimal
668743644
12
Duodecimal
167b64510
16
Hexadecimal
27dc37dc
20
Vigesimal
a8jcj24
36
Base36
b25hwc
md5
9aae249b9a9dacc7aa48759f93aa95e2
sha1
69244419e97a08bd839da2a4498b486c6843f8f7
sha256
a5b4c711bf12fd6355fe9d4f84995fe9831c1941331f2d67eebcb53cbcaa8b97
sha512
54456f700c878827e0dea9e8d1a1b34fa46566e95361089884584f1dc0319dd33d4e417df6399c21659db53cb2ced0edaea8884a09bf8016f84fc6db3f9bd90b
ripemd-160
ee0062015ed26829b748756f532579a1c7790f0b
Diameter
1337487288
Circumference
4201840238.2505
Area
1.4049769762167E+18
Volume
1.2527592304151E+27
Surface area
5.619907904867E+18
Circumference
4201840238.2505
Perimeter
2674974576
Area
447218061390398736
Diagonal
945746331.0956
Surface area
2683308368342392416
Volume
2.9907423603683E+26
Space diagonal
1158297968.6468
Perimeter
2006230932
Area
1.9365110109766E+17
Altitude
579148984.32338
Surface area
1.9365110109766E+17
Volume
3.5246236729972E+25
Height
315248777.03187