668840384 is an even 9-digits composite number following 668840383
and preceding 668840385 . In scientific notation, it is written as 6.68840384 × 10^8.
The sum of its digits is 47. It has a total of 8 prime factors and 28 positive divisors.
There are 314747904 positive integers (up to 668840384) that are relatively prime to 668840384.
668840384 has 28 divisors, whose sum is 1405304784
The reverse of 668840384 is 483048866
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred sixty-eight million eight hundred forty thousand three hundred eighty-four
Scientific notation
6.68840384 × 10^8
Engineering notation
6.68840384 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 17 × 614743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
20901262
Product of the distinct prime numbers
The prime factorization of 668840384 is 2 × 2 × 2 × 2 × 2 × 2 × 17 × 614743.
Since it has a total of 8 prime factors.
4 , 3 , 83 , 48 , 468 , 136 , 2990 , 1761 , 77132 , 85310 , 838377 , 321768 , 6097679 , 6003190 , 39766610 , 47320993 , 703261042 , 656235351 , 1573741021 , 6478077976
n×2
1337680768
n×3
2006521152
n×4
2675361536
n×5
3344201920
n÷2
334420192
n÷3
222946794.66667
n÷3
167210096
n÷5
133768076.8
n2
447347459269267456
n3
2.9920404643908E+26
n4
2.0011974931467E+35
n5
1.3384816997761E+44
2 √n
25861.948573145
3 √n
874.52889317344
4 √n
160.81650591014
5 √n
58.218967292314
1 , 2 , 4 , 8 , 16 , 17 , 32 , 34 , 64 , 68 , 136 , 272 , 544 , 1088 , 614743 , 1229486 , 2458972 , 4917944 , 9835888 , 10450631 , 19671776 , 20901262 , 39343552 , 41802524 , 83605048 , 167210096 , 334420192 , 668840384
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668840383
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668840384 can be divided by 28 positive divisors.
The sum of these divisors (counting 668840384) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100111110111011011000111000000
3
Ternary
1201121112121112002
4
Quaternary
213313123013000
5
Quinary
2332210343014
6
Senary
150211323132
8
Octal
4767330700
10
Decimal
668840384
12
Duodecimal
167bb04a8
16
Hexadecimal
27ddb1c0
20
Vigesimal
a9050j4
36
Base36
b27kjk
md5
ec6c4f426c7a26e8f9ed62b545018fb1
sha1
8ba5f8c5a71072ba7f3978e7d0b6d9451f4b484a
sha256
79ba15f7305f7c2459c2d66edf93eee9d30bd2b70bf88fd8849dfb140e65d3bb
sha512
80dc4c485a1b1e053351b03199e2e3d3f3d54dcb9f1df9502d324871e9c8888b102df0841c044a09fa4e0f194f0fa11bf44fb8ba28b2064d02703cfa33f9c348
ripemd-160
5ee86ccc932d50e346bb46392a3d1ffa334023c0
Diameter
1337680768
Circumference
4202448073.5972
Area
1.4053834916424E+18
Volume
1.2533029789565E+27
Surface area
5.6215339665696E+18
Circumference
4202448073.5972
Perimeter
2675361536
Area
447347459269267456
Diagonal
945883142.11563
Surface area
2684084755615604736
Volume
2.9920404643908E+26
Space diagonal
1158465527.2419
Perimeter
2006521152
Area
1.9370713202281E+17
Altitude
579232763.62094
Surface area
1.9370713202281E+17
Volume
3.5261535032588E+25
Height
315294380.70521