668727982 is an even 9-digits composite number following 668727981
and preceding 668727983 . In scientific notation, it is written as 6.68727982 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 308643672 positive integers (up to 668727982) that are relatively prime to 668727982.
668727982 has 8 divisors, whose sum is 1080252936
The reverse of 668727982 is 289727866
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-eight million seven hundred twenty-seven thousand nine hundred eighty-two
Scientific notation
6.68727982 × 10^8
Engineering notation
6.68727982 × 10^6
Prime Factorization
2 × 13 × 25720307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668727982
Product of the distinct prime numbers
The prime factorization of 668727982 is 2 × 13 × 25720307.
Since it has a total of 3 prime factors.
10 , 6 , 2 , 61 , 829 , 821 , 8145 , 7106 , 76498 , 74762 , 303766 , 600422 , 9425479 , 9005881 , 32720344 , 7515685 , 704159873 , 887671709 , 369071519 , 6399853942
n×2
1337455964
n×3
2006183946
n×4
2674911928
n×5
3343639910
n÷2
334363991
n÷3
222909327.33333
n÷3
167181995.5
n÷5
133745596.4
n2
447197113909792324
n3
2.9905322354112E+26
n4
1.9998525868925E+35
n5
1.3373573847301E+44
2 √n
25859.775366387
3 √n
874.47990076506
4 √n
160.80974897806
5 √n
58.217010362542
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
-668727981
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 668727982 can be divided by 8 positive divisors.
The sum of these divisors (counting 668727982) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110110111111101010101110
3
Ternary
1201121022220100001
4
Quaternary
213312333222232
5
Quinary
2332143243412
6
Senary
150205054514
8
Octal
4766775256
10
Decimal
668727982
12
Duodecimal
167b5743a
16
Hexadecimal
27dbfaae
20
Vigesimal
a8jajj2
36
Base36
b255ta
md5
a7a91ba4047116e15b25d3fff9262a1c
sha1
52f3cb34e2e049d4f1697c8fa5288358c8447d22
sha256
481be2fea15b5fd1694c5784cd8e17dadf307f758d6bcd577789b17f2b26a93d
sha512
81d7797894003753878292a20c8e8da3d952191ef02cdf14d127e6ed5ffd78bc887621c637e86273922aca81b9d83f9cc8845d73f3a81e5edb12b4a5fa5b8fb3
ripemd-160
d16142df8f86de44df73153abca79d835f75c109
Diameter
1337455964
Circumference
4201741831.0023
Area
1.4049111677656E+18
Volume
1.2526712134788E+27
Surface area
5.6196446710622E+18
Circumference
4201741831.0023
Perimeter
2674911928
Area
447197113909792324
Diagonal
945724181.68279
Surface area
2683182683458753944
Volume
2.9905322354112E+26
Space diagonal
1158270841.267
Perimeter
2006183946
Area
1.9364203057248E+17
Altitude
579135420.6335
Surface area
1.9364203057248E+17
Volume
3.5243760383604E+25
Height
315241393.89426