668731085 is an odd 9-digits composite number following 668731084
and preceding 668731086 . In scientific notation, it is written as 6.68731085 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 482845440 positive integers (up to 668731085) that are relatively prime to 668731085.
668731085 has 16 divisors, whose sum is 881737920
The reverse of 668731085 is 580137866
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred sixty-eight million seven hundred thirty-one thousand eighty-five
Scientific notation
6.68731085 × 10^8
Engineering notation
6.68731085 × 10^6
Prime Factorization
5 × 11 × 139 × 87473
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668731085
Product of the distinct prime numbers
The prime factorization of 668731085 is 5 × 11 × 139 × 87473.
Since it has a total of 4 prime factors.
9 , 8 , 48 , 58 , 656 , 991 , 7113 , 3399 , 93414 , 23774 , 564439 , 116963 , 6977810 , 6660028 , 26378138 , 37917387 , 829212548 , 506567624 , 107750286 , 1097482858
n×2
1337462170
n×3
2006193255
n×4
2674924340
n×5
3343655425
n÷2
334365542.5
n÷3
222910361.66667
n÷3
167182771.25
n÷5
133746217
n2
447201264045277225
n3
2.9905738651837E+26
n4
1.9998897056369E+35
n5
1.3373884127309E+44
2 √n
25859.835362972
3 √n
874.48125333641
4 √n
160.80993552319
5 √n
58.217064389606
1 , 5 , 11 , 55 , 139 , 695 , 1529 , 7645 , 87473 , 437365 , 962203 , 4811015 , 12158747 , 60793735 , 133746217 , 668731085
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
-668731084
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 668731085 can be divided by 16 positive divisors.
The sum of these divisors (counting 668731085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110111000000011011001101
3
Ternary
1201121100001120222
4
Quaternary
213313000123031
5
Quinary
2332143343320
6
Senary
150205121125
8
Octal
4767003315
10
Decimal
668731085
12
Duodecimal
167b591a5
16
Hexadecimal
27dc06cd
20
Vigesimal
a8jb7e5
36
Base36
b2587h
md5
7b66f34e40b47b4476f3e14da175a2cb
sha1
22545264a27bfbdf2b15b09ed087b92b1965b61c
sha256
5c3d2d7736e929de9e930dc06317df705472cc22a857101982849ac55552d8f8
sha512
7e19d58f96fc91f755a2d77c14c213ca90505a63bef20b546c56a6cd69f37596b2b0a3c6bcaa291a1b70adad840b8588adb4b1df345560065b0d46a44f489750
ripemd-160
d31b3c36d1bb1494a941f09ea5e62fd4b12eb019
Diameter
1337462170
Circumference
4201761327.7263
Area
1.4049242058007E+18
Volume
1.2526886513172E+27
Surface area
5.6196968232028E+18
Circumference
4201761327.7263
Perimeter
2674924340
Area
447201264045277225
Diagonal
945728569.98748
Surface area
2683207584271663350
Volume
2.9905738651837E+26
Space diagonal
1158276215.8207
Perimeter
2006193255
Area
1.9364382763386E+17
Altitude
579138107.91033
Surface area
1.9364382763386E+17
Volume
3.5244250995178E+25
Height
315242856.66249