668505655 is an odd 9-digits composite number following 668505654
and preceding 668505656 . In scientific notation, it is written as 6.68505655 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 527345280 positive integers (up to 668505655) that are relatively prime to 668505655.
668505655 has 16 divisors, whose sum is 813433824
The reverse of 668505655 is 556505866
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred sixty-eight million five hundred five thousand six hundred fifty-five
Scientific notation
6.68505655 × 10^8
Engineering notation
6.68505655 × 10^6
Prime Factorization
5 × 83 × 661 × 2437
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668505655
Product of the distinct prime numbers
The prime factorization of 668505655 is 5 × 83 × 661 × 2437.
Since it has a total of 4 prime factors.
3 , 9 , 65 , 16 , 560 , 114 , 7090 , 259 , 69636 , 57398 , 298460 , 867708 , 3925733 , 2909757 , 2632092 , 83533249 , 66345149 , 148410292 , 1612381095 , 283001368
n×2
1337011310
n×3
2005516965
n×4
2674022620
n×5
3342528275
n÷2
334252827.5
n÷3
222835218.33333
n÷3
167126413.75
n÷5
133701131
n2
446899810766979025
n3
2.9875505071616E+26
n4
1.9971944086356E+35
n5
1.3351357563073E+44
2 √n
25855.476305804
3 √n
874.38297942188
4 √n
160.79638150718
5 √n
58.213138852688
1 , 5 , 83 , 415 , 661 , 2437 , 3305 , 12185 , 54863 , 202271 , 274315 , 1011355 , 1610857 , 8054285 , 133701131 , 668505655
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
-668505654
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 668505655 can be divided by 16 positive divisors.
The sum of these divisors (counting 668505655) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110110001001011000110111
3
Ternary
1201120220121100201
4
Quaternary
213312021120313
5
Quinary
2332114140110
6
Senary
150200221331
8
Octal
4766113067
10
Decimal
668505655
12
Duodecimal
167a6a847
16
Hexadecimal
27d89637
20
Vigesimal
a8i342f
36
Base36
b20e9j
md5
5317cca70a0f464351e0508024647d54
sha1
d7784afd687ed4669ef3ef356f5852bb8426dd07
sha256
83135e0c9b166e9b4b5cb8c974b24136342237b2349693fc5a28af2eecf638a7
sha512
0f862a55e5022285008d394da6ed4f94bf05c74d651852fa41972e91d0b5a267fb62e10ff7b7aff5a47d46421050d69ae9f65e48eb127c718fac3504bb9b6c55
ripemd-160
f97356d775a4c3f899a13c758008f019bac667f0
Diameter
1337011310
Circumference
4200344909.2625
Area
1.4039771623962E+18
Volume
1.2514222300703E+27
Surface area
5.6159086495848E+18
Circumference
4200344909.2625
Perimeter
2674022620
Area
446899810766979025
Diagonal
945409763.82411
Surface area
2681398864601874150
Volume
2.9875505071616E+26
Space diagonal
1157885759.6071
Perimeter
2005516965
Area
1.9351329453533E+17
Altitude
578942879.80356
Surface area
1.9351329453533E+17
Volume
3.5208620379187E+25
Height
315136587.94137