668755655 is an odd 9-digits composite number following 668755654
and preceding 668755656 . In scientific notation, it is written as 6.68755655 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 530920000 positive integers (up to 668755655) that are relatively prime to 668755655.
668755655 has 8 divisors, whose sum is 808633584
The reverse of 668755655 is 556557866
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred sixty-eight million seven hundred fifty-five thousand six hundred fifty-five
Scientific notation
6.68755655 × 10^8
Engineering notation
6.68755655 × 10^6
Prime Factorization
5 × 131 × 1021001
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668755655
Product of the distinct prime numbers
The prime factorization of 668755655 is 5 × 131 × 1021001.
Since it has a total of 3 prime factors.
3 , 1 , 99 , 9 , 77 , 922 , 283 , 6180 , 8219 , 28592 , 800851 , 990159 , 887034 , 3417221 , 32682207 , 37341878 , 832382483 , 820458544 , 3145265007 , 3649352407
n×2
1337511310
n×3
2006266965
n×4
2675022620
n×5
3343778275
n÷2
334377827.5
n÷3
222918551.66667
n÷3
167188913.75
n÷5
133751131
n2
447234126094479025
n3
2.9909035093467E+26
n4
2.0001836354349E+35
n5
1.3376341172356E+44
2 √n
25860.310419637
3 √n
874.49196304307
4 √n
160.81141259139
5 √n
58.217492176584
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
-668755654
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 668755655 can be divided by 8 positive divisors.
The sum of these divisors (counting 668755655) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111000110011011000111
3
Ternary
1201121101022021222
4
Quaternary
213313012123013
5
Quinary
2332200140110
6
Senary
150205430555
8
Octal
4767063307
10
Decimal
668755655
12
Duodecimal
167b6b45b
16
Hexadecimal
27dc66c7
20
Vigesimal
a8je92f
36
Base36
b25r5z
md5
1c91223b44df8a191babcc706dafd9d5
sha1
81afbcbe9120a6b69bb634f1fe9e61e53d8a33a3
sha256
af86dbf95aadc5b0df8eae3c60623946bddfa639e6270e6604329ae2df1c03a2
sha512
05261cf196e4dcd96d17825a74db992645381bc9ec39bad112b91860d75b086c80064f62e1d790f7c460bab299b16c0bce396bd7a09cb290c6805d0130b4ac68
ripemd-160
fe9b1d960f5ad3220f012cff6351dfaafd51fe14
Diameter
1337511310
Circumference
4201915705.5893
Area
1.4050274449731E+18
Volume
1.2528267323413E+27
Surface area
5.6201097798923E+18
Circumference
4201915705.5893
Perimeter
2675022620
Area
447234126094479025
Diagonal
945763317.2147
Surface area
2683404756566874150
Volume
2.9909035093467E+26
Space diagonal
1158318772.309
Perimeter
2006266965
Area
1.9365805731858E+17
Altitude
579159386.1545
Surface area
1.9365805731858E+17
Volume
3.5248135888894E+25
Height
315254439.07157