668698729 is an odd 9-digits composite number following 668698728
and preceding 668698730 . In scientific notation, it is written as 6.68698729 × 10^8.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 668470084 positive integers (up to 668698729) that are relatively prime to 668698729.
668698729 has 4 divisors, whose sum is 668927376
The reverse of 668698729 is 927896866
Previous prime number is 2963
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
six hundred sixty-eight million six hundred ninety-eight thousand seven hundred twenty-nine
Scientific notation
6.68698729 × 10^8
Engineering notation
6.68698729 × 10^6
Prime Factorization
2963 × 225683
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668698729
Product of the distinct prime numbers
The prime factorization of 668698729 is 2963 × 225683.
Since it has a total of 2 prime factors.
4 , 6 , 55 , 65 , 409 , 139 , 2213 , 5711 , 65319 , 19341 , 587357 , 651144 , 4565706 , 4181576 , 60837473 , 84026347 , 799931931 , 102037915 , 503888376 , 7890726910
n×2
1337397458
n×3
2006096187
n×4
2674794916
n×5
3343493645
n÷2
334349364.5
n÷3
222899576.33333
n÷3
167174682.25
n÷5
133739745.8
n2
447157990166215441
n3
2.9901397968634E+26
n4
1.9995026816949E+35
n5
1.3370649018815E+44
2 √n
25859.20975204
3 √n
874.46714942508
4 √n
160.80799032399
5 √n
58.216501021808
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668698728
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668698729 can be divided by 4 positive divisors.
The sum of these divisors (counting 668698729) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110110111000100001101001
3
Ternary
1201121021102012121
4
Quaternary
213312320201221
5
Quinary
2332141324404
6
Senary
150204311241
8
Octal
4766704151
10
Decimal
668698729
12
Duodecimal
167b42521
16
Hexadecimal
27db8869
20
Vigesimal
a8j76g9
36
Base36
b24j8p
md5
d20183f40f8fa1557e5a958683416305
sha1
da2dbe60c1779bf56639d241b06bd02aeb374be8
sha256
b8d4f74cebfab23cece4875c1a0735de59c3e3b064ea86464c8084845d39c411
sha512
45f11edf1d41eb5fc4e5ff846b74bea293d48ddde40dacedff9c1fb66c23bd01e9edd1b6cb235062a333481c5e23eb56041dd9c3200cd470de2a6ce30ef36bdd
ripemd-160
37d7a2618e0029918f2e785946fe9e289e59800c
Diameter
1337397458
Circumference
4201558028.9825
Area
1.4047882569002E+18
Volume
1.2525068292043E+27
Surface area
5.6191530276006E+18
Circumference
4201558028.9825
Perimeter
2674794916
Area
447157990166215441
Diagonal
945682811.69345
Surface area
2682947940997292646
Volume
2.9901397968634E+26
Space diagonal
1158220173.5847
Perimeter
2006096187
Area
1.9362508949457E+17
Altitude
579110086.79237
Surface area
1.9362508949457E+17
Volume
3.5239135450965E+25
Height
315227603.89782