664493890 is an even 9-digits composite number following 664493889
and preceding 664493891 . In scientific notation, it is written as 6.64493890 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 265797552 positive integers (up to 664493890) that are relatively prime to 664493890.
664493890 has 8 divisors, whose sum is 1196089020
The reverse of 664493890 is 098394466
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred sixty-four million four hundred ninety-three thousand eight hundred ninety
Scientific notation
6.64493890 × 10^8
Engineering notation
6.64493890 × 10^6
Prime Factorization
2 × 5 × 66449389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664493890
Product of the distinct prime numbers
The prime factorization of 664493890 is 2 × 5 × 66449389.
Since it has a total of 3 prime factors.
3 , 5 , 81 , 69 , 409 , 605 , 5620 , 6030 , 73462 , 19278 , 367657 , 441724 , 9924902 , 661047 , 91661223 , 930708 , 476541359 , 252990591 , 7412668336 , 6232355069
n×2
1328987780
n×3
1993481670
n×4
2657975560
n×5
3322469450
n÷2
332246945
n÷3
221497963.33333
n÷3
166123472.5
n÷5
132898778
n2
441552129847332100
n3
2.9340869240004E+26
n4
1.9496828337272E+35
n5
1.2955523304496E+44
2 √n
25777.778996647
3 √n
872.63038420601
4 √n
160.55459817971
5 √n
58.14310203243
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
-664493889
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 664493890 can be divided by 8 positive divisors.
The sum of these divisors (counting 664493890) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100110110101111101000010
3
Ternary
1201022100210020211
4
Quaternary
213212311331002
5
Quinary
2330102301030
6
Senary
145534224334
8
Octal
4746657502
10
Decimal
664493890
12
Duodecimal
1666550aa
16
Hexadecimal
279b5f42
20
Vigesimal
a7d1eea
36
Base36
azmerm
md5
f3fdbad9d94253074117ba9a495c24d5
sha1
8cbc34a42b4ce9145a43a5fa6087cd6dcab328d8
sha256
c5021a1d95b1f7e9fd0eb813b0a24077567452bcac1ca67c87c091000c82b2d2
sha512
907d3df11e7455b5b918fb11cc69dec8d795d7c7628fc4478c3718973255e5fcbb435839be308c47483614954e906b6cc8c4584b6b7cebde93a95badec54640c
ripemd-160
fe1a0abcb661c137437374c651af5e8e26ead300
Diameter
1328987780
Circumference
4175138246.3586
Area
1.3871769273053E+18
Volume
1.2290274567245E+27
Surface area
5.5487077092212E+18
Circumference
4175138246.3586
Perimeter
2657975560
Area
441552129847332100
Diagonal
939736271.35206
Surface area
2649312779083992600
Volume
2.9340869240004E+26
Space diagonal
1150937178.7991
Perimeter
1993481670
Area
1.9119768077146E+17
Altitude
575468589.39954
Surface area
1.9119768077146E+17
Volume
3.4578546009191E+25
Height
313245423.78402