664778813 is an odd 9-digits composite number following 664778812
and preceding 664778814 . In scientific notation, it is written as 6.64778813 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 664023360 positive integers (up to 664778813) that are relatively prime to 664778813.
664778813 has 4 divisors, whose sum is 665534268
The reverse of 664778813 is 318877466
Previous prime number is 881
Is Prime? no Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
six hundred sixty-four million seven hundred seventy-eight thousand eight hundred thirteen
Scientific notation
6.64778813 × 10^8
Engineering notation
6.64778813 × 10^6
Prime Factorization
881 × 754573
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
664778813 Product of the distinct prime numbers
The prime factorization of 664778813 is 881 × 754573.
Since it has a total of 2 prime factors.
6 , 7 , 65 , 82 , 105 , 555 , 6540 , 8024 , 78020 , 32012 , 239507 , 510886 , 2298214 , 6415867 , 77330823 , 22888240 , 280406709 , 690851957 , 6682492094 , 4285902383
n×2
1329557626
n×3
1994336439
n×4
2659115252
n×5
3323894065
n÷2
332389406.5
n÷3
221592937.66667
n÷3
166194703.25
n÷5
132955762.6
n2
441930870213688969
n3
2.9378627932871E+26
n4
1.9530289404783E+35
n5
1.2983322608058E+44
2 √n25783.304927802
3 √n872.75508910939
4 √n160.5718061423
5 √n58.148087320243
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
-664778812 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 664778813 can be divided by 4 positive divisors.
The sum of these divisors (counting 664778813) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111100111111011100000111101
3
Ternary
1201022220021002112
4
Quaternary
213213323200331
5
Quinary
2330140410223
6
Senary
145544303405
8
Octal
4747734075
10
Decimal
664778813
12
Duodecimal
166771b65
16
Hexadecimal
279fb83d
20
Vigesimal
a7eh70d
36
Base36
azsim5
md5
32e266c914a350192c0cdba68dec2692
sha1
be63281fbf310162a94eaa4477effb0e72e461cb
sha256
058859dcac17017283038599fab1ac9642de50e31382f077628360fb9e4febb7
sha512
8f35ec43d30858e45477478eed3f289f1b80b7ccd8a861d574c899dffe7208f7852b348809b94b09444bc6b251a27a619c2da3980389ac9b94f4bdbba773611f
ripemd-160
a372442824991aed5f50511687fccbd42a8326bc
Diameter
1329557626
Circumference
4176928470.3659
Area
1.3883667752579E+18
Volume
1.2306090891528E+27
Surface area
5.5534671010315E+18
Circumference
4176928470.3659
Perimeter
2659115252
Area
441930870213688969
Diagonal
940139213.32289
Surface area
2651585221282133814
Volume
2.9378627932871E+26
Space diagonal
1151430679.9113
Perimeter
1994336439
Area
1.9136168016081E+17
Altitude
575715339.95566
Surface area
1.9136168016081E+17
Volume
3.4623045055483E+25
Height
313379737.7743