668045138 is an even 9-digits composite number following 668045137
and preceding 668045139 . In scientific notation, it is written as 6.68045138 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 324994896 positive integers (up to 668045138) that are relatively prime to 668045138.
668045138 has 8 divisors, whose sum is 1029150732
The reverse of 668045138 is 831540866
Previous prime number is 37
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred sixty-eight million forty-five thousand one hundred thirty-eight
Scientific notation
6.68045138 × 10^8
Engineering notation
6.68045138 × 10^6
Prime Factorization
2 × 37 × 9027637
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668045138
Product of the distinct prime numbers
The prime factorization of 668045138 is 2 × 37 × 9027637.
Since it has a total of 3 prime factors.
1 , 8 , 13 , 13 , 996 , 745 , 4903 , 4547 , 89185 , 12274 , 227600 , 657609 , 77758 , 2042408 , 10322577 , 25754582 , 101164941 , 880466864 , 5983681934 , 4905897285
n×2
1336090276
n×3
2004135414
n×4
2672180552
n×5
3340225690
n÷2
334022569
n÷3
222681712.66667
n÷3
167011284.5
n÷5
133609027.6
n2
446284306405439044
n3
2.9813806105986E+26
n4
1.9916968214378E+35
n5
1.3305433779316E+44
2 √n
25846.569172716
3 √n
874.18215303562
4 √n
160.76868218878
5 √n
58.205116323662
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
-668045137
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 668045138 can be divided by 8 positive divisors.
The sum of these divisors (counting 668045138) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110100011000111101010010
3
Ternary
1201120001012122112
4
Quaternary
213310120331102
5
Quinary
2332004421023
6
Senary
150142305322
8
Octal
4764307522
10
Decimal
668045138
12
Duodecimal
167888242
16
Hexadecimal
27d18f52
20
Vigesimal
a8f5cgi
36
Base36
b1qixe
md5
4d15fb28be7cf9e0d203a6ac2ca5d152
sha1
d6b29d48be0d04625d6339af9d64bea5d6d1a192
sha256
43521943044b9244a1d0316b10839445d6277d17d2d10042791f250b4dbe0dbf
sha512
1e0d52ae2eff5a24eba9e2ac6d30518e7ac45f1dfda11c529fa9a344874c6b3453af157d733cc43e99b3832efa84e1a28fdb3f9c98e23e908ace46d4dcb7e1bd
ripemd-160
987c7786be47c7f2db474738b9cf32aee0fc4c14
Diameter
1336090276
Circumference
4197451395.6144
Area
1.4020434984157E+18
Volume
1.2488377898415E+27
Surface area
5.608173993663E+18
Circumference
4197451395.6144
Perimeter
2672180552
Area
446284306405439044
Diagonal
944758494.43701
Surface area
2677705838432634264
Volume
2.9813806105986E+26
Space diagonal
1157088120.7654
Perimeter
2004135414
Area
1.9324677332871E+17
Altitude
578544060.38268
Surface area
1.9324677332871E+17
Volume
3.5135907450872E+25
Height
314919498.14567