668492091 is an odd 9-digits composite number following 668492090
and preceding 668492092 . In scientific notation, it is written as 6.68492091 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 431285040 positive integers (up to 668492091) that are relatively prime to 668492091.
668492091 has 8 divisors, whose sum is 766729600
The reverse of 668492091 is 190294866
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred sixty-eight million four hundred ninety-two thousand ninety-one
Scientific notation
6.68492091 × 10^8
Engineering notation
6.68492091 × 10^6
Prime Factorization
9 × 31 × 2396029
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668492091
Product of the distinct prime numbers
The prime factorization of 668492091 is 9 × 31 × 2396029.
Since it has a total of 3 prime factors.
4 , 7 , 18 , 38 , 250 , 282 , 6066 , 2742 , 50537 , 89137 , 307761 , 172257 , 9919346 , 2357501 , 10867424 , 17290594 , 986331964 , 232056286 , 2778058179 , 8276781767
n×2
1336984182
n×3
2005476273
n×4
2673968364
n×5
3342460455
n÷2
334246045.5
n÷3
222830697
n÷3
167123022.75
n÷5
133698418.2
n2
446881675729552281
n3
2.9873686583803E+26
n4
1.9970323210285E+35
n5
1.3350003120789E+44
2 √n
25855.214000275
3 √n
874.3770656295
4 √n
160.79556586012
5 √n
58.2129026215
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
-668492090
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 668492091 can be divided by 8 positive divisors.
The sum of these divisors (counting 668492091) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110110000110000100111011
3
Ternary
1201120212220202100
4
Quaternary
213312012010323
5
Quinary
2332113221331
6
Senary
150200034443
8
Octal
4766060473
10
Decimal
668492091
12
Duodecimal
167a62a23
16
Hexadecimal
27d8613b
20
Vigesimal
a8i1a4b
36
Base36
b203sr
md5
b7e997d6096cf9db39ea6417d7dc1eb7
sha1
79a31c9c79dba634f0e8107e0bf8e0a101a41d0d
sha256
4040f70d8b43b0d47bc7748c0214af61f0dabffc24c3bb6a9ddeefedff040a93
sha512
c3d6b21e77cecbcf5458940ce3959e887b1f96e107ed58ba1d90c8e25a625b1ca4d8cdad41d1826d52e753873a37fffd5c550b75d3d4c6e79306c4fd7c4cb4db
ripemd-160
0e05bcae188d03406cbd8f8d58e06c1606b79637
Diameter
1336984182
Circumference
4200259684.137
Area
1.4039201894959E+18
Volume
1.2513460574309E+27
Surface area
5.6156807579834E+18
Circumference
4200259684.137
Perimeter
2673968364
Area
446881675729552281
Diagonal
945390581.43135
Surface area
2681290054377313686
Volume
2.9873686583803E+26
Space diagonal
1157862266.07
Perimeter
2005476273
Area
1.9350544183378E+17
Altitude
578931133.03498
Surface area
1.9350544183378E+17
Volume
3.5206477270748E+25
Height
315130193.81045