668431489 is an odd 9-digits composite number following 668431488
and preceding 668431490 . In scientific notation, it is written as 6.68431489 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 607664980 positive integers (up to 668431489) that are relatively prime to 668431489.
668431489 has 4 divisors, whose sum is 729198000
The reverse of 668431489 is 984134866
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred sixty-eight million four hundred thirty-one thousand four hundred eighty-nine
Scientific notation
6.68431489 × 10^8
Engineering notation
6.68431489 × 10^6
Prime Factorization
11 × 60766499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668431489
Product of the distinct prime numbers
The prime factorization of 668431489 is 11 × 60766499.
Since it has a total of 2 prime factors.
2 , 10 , 19 , 20 , 858 , 893 , 2338 , 3597 , 14406 , 99163 , 846395 , 537738 , 8018406 , 1217664 , 18390881 , 69685726 , 504832099 , 260415169 , 721347646 , 1644286987
n×2
1336862978
n×3
2005294467
n×4
2673725956
n×5
3342157445
n÷2
334215744.5
n÷3
222810496.33333
n÷3
167107872.25
n÷5
133686297.8
n2
446800655486757121
n3
2.9865562743319E+26
n4
1.996308257434E+35
n5
1.3343953010196E+44
2 √n
25854.042024411
3 √n
874.35064267902
4 √n
160.79192151477
5 √n
58.211847127709
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
-668431488
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 668431489 can be divided by 4 positive divisors.
The sum of these divisors (counting 668431489) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110101110111010010000001
3
Ternary
1201120202211121211
4
Quaternary
213311313102001
5
Quinary
2332104301424
6
Senary
150154450121
8
Octal
4765672201
10
Decimal
668431489
12
Duodecimal
167a33941
16
Hexadecimal
27d77481
20
Vigesimal
a8hdie9
36
Base36
b1yt1d
md5
91cbbe9ced367eea89794b6b3e273e6a
sha1
03dae8155720210d12b3d083d7420077c70b8ce6
sha256
ae9a65a465062d5b7fa399e6b6b4e15f1cd5761f729ae0854416c15c86f3493c
sha512
96252b68ae4b327fc81476c5a5a558c756e49edbab9330e79bd7d26323aede848b1eb2dfdfbb5e666f9b2b3b7b33fd525ffd3cfe316f8cddfa6376c58fd52bbe
ripemd-160
e65f45e08496c8bb6333412a267405b0da63e11e
Diameter
1336862978
Circumference
4199878910.541
Area
1.4036656568963E+18
Volume
1.2510057667965E+27
Surface area
5.6146626275852E+18
Circumference
4199878910.541
Perimeter
2673725956
Area
446800655486757121
Diagonal
945304877.26104
Surface area
2680803932920542726
Volume
2.9865562743319E+26
Space diagonal
1157757300.3269
Perimeter
2005294467
Area
1.9347035903954E+17
Altitude
578878650.16346
Surface area
1.9347035903954E+17
Volume
3.5196903232922E+25
Height
315101625.75368