668738679 is an odd 9-digits composite number following 668738678
and preceding 668738680 . In scientific notation, it is written as 6.68738679 × 10^8.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 381431232 positive integers (up to 668738679) that are relatively prime to 668738679.
668738679 has 8 divisors, whose sum is 701876208
The reverse of 668738679 is 976837866
Previous prime number is 58217
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 60
Digital Root 6
Name
six hundred sixty-eight million seven hundred thirty-eight thousand six hundred seventy-nine
Scientific notation
6.68738679 × 10^8
Engineering notation
6.68738679 × 10^6
Prime Factorization
21 × 58217 × 547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668738679
Product of the distinct prime numbers
The prime factorization of 668738679 is 21 × 58217 × 547.
Since it has a total of 3 prime factors.
3 , 8 , 42 , 42 , 393 , 397 , 4256 , 5113 , 89914 , 23536 , 308521 , 603327 , 331839 , 7640643 , 1819294 , 37936286 , 205796175 , 199715923 , 6323524086 , 9548991836
n×2
1337477358
n×3
2006216037
n×4
2674954716
n×5
3343693395
n÷2
334369339.5
n÷3
222912893
n÷3
167184669.75
n÷5
133747735.8
n2
447211420790665041
n3
2.9906757477326E+26
n4
1.9999805488561E+35
n5
1.3374643502677E+44
2 √n
25859.982192569
3 √n
874.48456347889
4 √n
160.81039205403
5 √n
58.217196609683
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668738678
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668738679 can be divided by 8 positive divisors.
The sum of these divisors (counting 668738679) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111000010010001110111
3
Ternary
1201121100110000020
4
Quaternary
213313002101313
5
Quinary
2332144114204
6
Senary
150205220223
8
Octal
4767022167
10
Decimal
668738679
12
Duodecimal
167b61673
16
Hexadecimal
27dc2477
20
Vigesimal
a8jc6dj
36
Base36
b25e2f
md5
c4d8b4773db26967ff888950d2a4f5e4
sha1
e81200c75d1156e23aed8c3448d46de8473a63af
sha256
3757f75f415b95e01dcaa90c4185b76a4d7b293ec1f69b270607e4cd154377dc
sha512
be5dac6b52a80c631c751e6e4e47e67128a93196568fc2057136393921ca67220b5a85563a5192e2f712092c5a23fc5b52d6581f3c5cc3721aba6f896fd77225
ripemd-160
8a2505e055999bc09cb8f18b067c1e71c79006f1
Diameter
1337477358
Circumference
4201809042.2355
Area
1.4049561141574E+18
Volume
1.2527313277795E+27
Surface area
5.6198244566296E+18
Circumference
4201809042.2355
Perimeter
2674954716
Area
447211420790665041
Diagonal
945739309.52527
Surface area
2683268524743990246
Volume
2.9906757477326E+26
Space diagonal
1158289369.0145
Perimeter
2006216037
Area
1.9364822563362E+17
Altitude
579144684.50725
Surface area
1.9364822563362E+17
Volume
3.5245451692531E+25
Height
315246436.50842