668045591 is an odd 9-digits composite number following 668045590
and preceding 668045592 . In scientific notation, it is written as 6.68045591 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 664045152 positive integers (up to 668045591) that are relatively prime to 668045591.
668045591 has 4 divisors, whose sum is 672046032
The reverse of 668045591 is 195540866
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred sixty-eight million forty-five thousand five hundred ninety-one
Scientific notation
6.68045591 × 10^8
Engineering notation
6.68045591 × 10^6
Prime Factorization
167 × 4000273
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668045591
Product of the distinct prime numbers
The prime factorization of 668045591 is 167 × 4000273.
Since it has a total of 2 prime factors.
5 , 6 , 96 , 60 , 909 , 942 , 3411 , 7900 , 30620 , 71190 , 231022 , 127476 , 3400908 , 73561 , 16934605 , 44658760 , 145547979 , 757327665 , 7820874901 , 513100984
n×2
1336091182
n×3
2004136773
n×4
2672182364
n×5
3340227955
n÷2
334022795.5
n÷3
222681863.66667
n÷3
167011397.75
n÷5
133609118.2
n2
446284911654539281
n3
2.9813866756064E+26
n4
1.991702223705E+35
n5
1.330547889131E+44
2 √n
25846.577935967
3 √n
874.18235062927
4 √n
160.768709443
5 √n
58.205124217413
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
-668045590
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 668045591 can be divided by 4 positive divisors.
The sum of these divisors (counting 668045591) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110100011001000100010111
3
Ternary
1201120001020021022
4
Quaternary
213310121010113
5
Quinary
2332004424331
6
Senary
150142311355
8
Octal
4764310427
10
Decimal
668045591
12
Duodecimal
16788855b
16
Hexadecimal
27d19117
20
Vigesimal
a8f5djb
36
Base36
b1qj9z
md5
0239abcc5986d7107f5467dc259c0823
sha1
42bb32ee6f077a9f957e98017d4e44a3d9a80602
sha256
0a102a56dd1cc8adc4d8773ad4fd108af671c520084591854c349d4557f3fb36
sha512
6283f1aa839e332b947fd492b01fbfd6c603438f1018f0d4e98460af1bc04c68d872a16b8019968eb266a8c883ffca0ad0aa42690f8a2c02f58394e3f1d35938
ripemd-160
5e8b288cffda19ced4c9d8a02827056b1f1a94a1
Diameter
1336091182
Circumference
4197454241.8973
Area
1.4020453998619E+18
Volume
1.2488403303461E+27
Surface area
5.6081815994475E+18
Circumference
4197454241.8973
Perimeter
2672182364
Area
446284911654539281
Diagonal
944759135.07575
Surface area
2677709469927235686
Volume
2.9813866756064E+26
Space diagonal
1157088905.3844
Perimeter
2004136773
Area
1.9324703540926E+17
Altitude
578544452.69219
Surface area
1.9324703540926E+17
Volume
3.5135978927675E+25
Height
314919711.69192