664721889 is an odd 9-digits composite number following 664721888
and preceding 664721890 . In scientific notation, it is written as 6.64721889 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 396887040 positive integers (up to 664721889) that are relatively prime to 664721889.
664721889 has 8 divisors, whose sum is 668800000
The reverse of 664721889 is 988127466
Previous prime number is 199
Is Prime? no Number parity odd Number length 9 Sum of Digits 51 Digital Root 6
Name
six hundred sixty-four million seven hundred twenty-one thousand eight hundred eighty-nine
Scientific notation
6.64721889 × 10^8
Engineering notation
6.64721889 × 10^6
Prime Factorization
1599 × 199 × 2089
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
664721889 Product of the distinct prime numbers
The prime factorization of 664721889 is 1599 × 199 × 2089.
Since it has a total of 3 prime factors.
1 , 1 , 53 , 31 , 481 , 179 , 6802 , 900 , 42702 , 97747 , 503004 , 430294 , 3338544 , 6543968 , 52045675 , 1625496 , 892092109 , 920341793 , 9911490581 , 6769599210
n×2
1329443778
n×3
1994165667
n×4
2658887556
n×5
3323609445
n÷2
332360944.5
n÷3
221573963
n÷3
166180472.25
n÷5
132944377.8
n2
441855189715728321
n3
2.9371081637229E+26
n4
1.9523600867872E+35
n5
1.2977764848974E+44
2 √n25782.201011551
3 √n872.73017750079
4 √n160.56836865196
5 √n58.147091459654
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
-664721888 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 664721889 can be divided by 8 positive divisors.
The sum of these divisors (counting 664721889) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100111101101100111100001
3
Ternary
1201022210101000020
4
Quaternary
213213231213201
5
Quinary
2330132100024
6
Senary
145543144053
8
Octal
4747554741
10
Decimal
664721889
12
Duodecimal
166745029
16
Hexadecimal
279ed9e1
20
Vigesimal
a7ea4e9
36
Base36
azraox
md5
6e4ea7163a743717e1cf0bf6f5a8376a
sha1
1402769dc9b4408bfb573e055676c2894d3c5f15
sha256
64d15b6b11ee026d173ee6c935491ccfa1723fc4149510c9675dffc2b16a20c3
sha512
57696b85f37eb818efab3269b531f72c3e61a2ed4506a99e90f5bd4f2cc5fe13645b4c5c9090a77c5788066ac18ed9e3fd0e61488446098e6452c35a459becf2
ripemd-160
df99c11b171f815edab384e08bce32dde9521725
Diameter
1329443778
Circumference
4176570806.3255
Area
1.3881290179615E+18
Volume
1.2302929906601E+27
Surface area
5.5525160718458E+18
Circumference
4176570806.3255
Perimeter
2658887556
Area
441855189715728321
Diagonal
940058710.63006
Surface area
2651131138294369926
Volume
2.9371081637229E+26
Space diagonal
1151332084.6512
Perimeter
1994165667
Area
1.9132890954391E+17
Altitude
575666042.32558
Surface area
1.9132890954391E+17
Volume
3.4614151660781E+25
Height
313352903.54335