668506 is an even 6-digits composite number following 668505
and preceding 668507 . In scientific notation, it is written as 6.68506 × 10^5.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 331968 positive integers (up to 668506) that are relatively prime to 668506.
668506 has 8 divisors, whose sum is 1009620
The reverse of 668506 is 605866
Previous prime number is 157
Is Prime? no
Number parity even
Number length 6
Sum of Digits 31
Digital Root 4
Name
six hundred sixty-eight thousand five hundred six
Scientific notation
6.68506 × 10^5
Engineering notation
6.68506 × 10^3
Prime Factorization
2 × 157 × 2129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668506
Product of the distinct prime numbers
The prime factorization of 668506 is 2 × 157 × 2129.
Since it has a total of 3 prime factors.
2 , 9 , 8 , 24 , 526 , 854 , 6456 , 2797 , 60997 , 95212 , 783641 , 513064 , 2898700 , 2379751 , 67415033 , 32994574 , 735901928 , 169320259 , 8611102807 , 8179735926
n×2
1337012
n×3
2005518
n×4
2674024
n×5
3342530
n÷2
334253
n÷3
222835.33333333
n÷3
167126.5
n÷5
133701.2
n2
446900272036
n3
298755513257698216
n4
1.9971985314585E+23
n5
1.3351392014712E+29
2 √n
817.62216212625
3 √n
87.4383129838
4 √n
28.594093133482
5 √n
14.622480871228
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
-668505
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 668506 can be divided by 8 positive divisors.
The sum of these divisors (counting 668506) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011001101011010
3
Ternary
1020222000111
4
Quaternary
2203031122
5
Quinary
132343011
6
Senary
22154534
8
Octal
2431532
10
Decimal
668506
12
Duodecimal
282a4a
16
Hexadecimal
a335a
20
Vigesimal
43b56
36
Base36
ebtm
md5
1267c782af0bd6ecdee8949dc0e4650d
sha1
0de50c121c89f4df081ced177b2436acda5d808d
sha256
75899fd67b71df23acbb2e88567bdf485d772302180bf8b0a69ccd73f6c1143b
sha512
f85cf8a5d82f306416739076461e1946581dd92d23b969bb088045af158d66b3a167fbac601e567dd2670837b857d433d4d5a5641e2d5aa87b32093e9df17e2e
ripemd-160
425a80ce6537190eaeb52da3210109e60bbf31d5
Diameter
1337012
Circumference
4200347.0769614
Area
1403978611515.6
Volume
1.2514241675598E+18
Surface area
5615914446062.3
Circumference
4200347.0769614
Perimeter
2674024
Area
446900272036
Diagonal
945410.25172779
Surface area
2681401632216
Volume
298755513257698216
Space diagonal
1157886.3571646
Perimeter
2005518
Area
193513494270.68
Altitude
578943.17858232
Surface area
193513494270.68
Volume
3.5208674890231E+16
Height
315136.75057593