664444887 is an odd 9-digits composite number following 664444886
and preceding 664444888 . In scientific notation, it is written as 6.64444887 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 440245368 positive integers (up to 664444887) that are relatively prime to 664444887.
664444887 has 8 divisors, whose sum is 891362304
The reverse of 664444887 is 788444466
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred sixty-four million four hundred forty-four thousand eight hundred eighty-seven
Scientific notation
6.64444887 × 10^8
Engineering notation
6.64444887 × 10^6
Prime Factorization
3 × 163 × 1358783
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664444887
Product of the distinct prime numbers
The prime factorization of 664444887 is 3 × 163 × 1358783.
Since it has a total of 3 prime factors.
4 , 8 , 73 , 59 , 59 , 440 , 738 , 8223 , 12894 , 44313 , 783749 , 435973 , 6736817 , 2869771 , 97211460 , 63526120 , 459909260 , 317294579 , 3881632611 , 9172714394
n×2
1328889774
n×3
1993334661
n×4
2657779548
n×5
3322224435
n÷2
332222443.5
n÷3
221481629
n÷3
166111221.75
n÷5
132888977.4
n2
441487007860442769
n3
2.933437850498E+26
n4
1.9491077810957E+35
n5
1.2950746993609E+44
2 √n
25776.828489944
3 √n
872.60893301408
4 √n
160.55163807929
5 √n
58.142244456305
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
-664444886
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 664444887 can be divided by 8 positive divisors.
The sum of these divisors (counting 664444887) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100110101001111111010111
3
Ternary
1201022021022000220
4
Quaternary
213212221333113
5
Quinary
2330044214022
6
Senary
145533205423
8
Octal
4746517727
10
Decimal
664444887
12
Duodecimal
166630873
16
Hexadecimal
279a9fd7
20
Vigesimal
a7cfc47
36
Base36
azlcyf
md5
560d24d649e433dc9119e9a126269443
sha1
30266b1bafa8189bb0c8ce8c88db1a1eff95089c
sha256
4f2227e61e8fda1deee1f4089ca12598fa84764acb40e10bb9401d07ab28a9eb
sha512
6b3d1246f6939b48dfe3cbcccaba14204d871efa4f75ef84e5599cb50455e7050dcbcaf539121e67952d4ad43bacaf92977af10f017bf72103300f9fe40be029
ripemd-160
a44928abc51885adc8ee322614e15bb9b93df58c
Diameter
1328889774
Circumference
4174830351.429
Area
1.3869723405497E+18
Volume
1.2287555734516E+27
Surface area
5.5478893621988E+18
Circumference
4174830351.429
Perimeter
2657779548
Area
441487007860442769
Diagonal
939666970.64486
Surface area
2648922047162656614
Volume
2.933437850498E+26
Space diagonal
1150852303.1134
Perimeter
1993334661
Area
1.9116948212396E+17
Altitude
575426151.55668
Surface area
1.9116948212396E+17
Volume
3.4570896604607E+25
Height
313222323.54829