668804979 is an odd 9-digits composite number following 668804978
and preceding 668804980 . In scientific notation, it is written as 6.68804979 × 10^8.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 445869984 positive integers (up to 668804979) that are relatively prime to 668804979.
668804979 has 4 divisors, whose sum is 891739976
The reverse of 668804979 is 979408866
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred sixty-eight million eight hundred four thousand nine hundred seventy-nine
Scientific notation
6.68804979 × 10^8
Engineering notation
6.68804979 × 10^6
Prime Factorization
3 × 222934993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668804979
Product of the distinct prime numbers
The prime factorization of 668804979 is 3 × 222934993.
Since it has a total of 2 prime factors.
7 , 9 , 75 , 32 , 957 , 689 , 9740 , 4602 , 93747 , 31494 , 529108 , 111311 , 1803647 , 5229484 , 63779084 , 2337107 , 12702853 , 918953733 , 9959229407 , 7937843072
n×2
1337609958
n×3
2006414937
n×4
2675219916
n×5
3344024895
n÷2
334402489.5
n÷3
222934993
n÷3
167201244.75
n÷5
133760995.8
n2
447300099935190441
n3
2.9915653394385E+26
n4
2.0007737940203E+35
n5
1.3381274752935E+44
2 √n
25861.264064233
3 √n
874.51346186748
4 √n
160.81437766641
5 √n
58.2183509162
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
-668804978
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 668804979 can be divided by 4 positive divisors.
The sum of these divisors (counting 668804979) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110111010010011101110011
3
Ternary
1201121110210221210
4
Quaternary
213313102131303
5
Quinary
2332203224404
6
Senary
150210451203
8
Octal
4767223563
10
Decimal
668804979
12
Duodecimal
167b93b03
16
Hexadecimal
27dd2773
20
Vigesimal
a900c8j
36
Base36
b26t83
md5
8ce144fe40fcfde9dbaadd28a20c77d5
sha1
424975ec0d9afdd297168669ee6b2ce113c8c86d
sha256
774188b57d93e458b8563f7d41fa5d0dafc2ab8aa4024a5f1ba0c21d5d6ad98f
sha512
f5195f24f664b24123e1ff6fcbcd3a4f3b06e559e9c6726be560c3aa210199a9d424d326caefa072da3f26765e37c3aa5a5c4986774ea9b17253626d2f416a6a
ripemd-160
111f9e75fe3cf74a1299d1db75e5cc06e3dd1d6e
Diameter
1337609958
Circumference
4202225617.4214
Area
1.4052347079064E+18
Volume
1.2531039590819E+27
Surface area
5.6209388316255E+18
Circumference
4202225617.4214
Perimeter
2675219916
Area
447300099935190441
Diagonal
945833071.88445
Surface area
2683800599611142646
Volume
2.9915653394385E+26
Space diagonal
1158404203.983
Perimeter
2006414937
Area
1.936866248296E+17
Altitude
579202101.99152
Surface area
1.936866248296E+17
Volume
3.5255935631327E+25
Height
315277690.62815