664996985 is an odd 9-digits composite number following 664996984
and preceding 664996986 . In scientific notation, it is written as 6.64996985 × 10^8.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 531997584 positive integers (up to 664996985) that are relatively prime to 664996985.
664996985 has 4 divisors, whose sum is 797996388
The reverse of 664996985 is 589699466
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 62
Digital Root 8
Name
six hundred sixty-four million nine hundred ninety-six thousand nine hundred eighty-five
Scientific notation
6.64996985 × 10^8
Engineering notation
6.64996985 × 10^6
Prime Factorization
5 × 132999397
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
664996985
Product of the distinct prime numbers
The prime factorization of 664996985 is 5 × 132999397.
Since it has a total of 2 prime factors.
2 , 8 , 39 , 86 , 764 , 764 , 2209 , 938 , 72918 , 34640 , 224366 , 384154 , 5098425 , 3902623 , 17510355 , 85030485 , 162221474 , 43547690 , 6034430558 , 6373152373
n×2
1329993970
n×3
1994990955
n×4
2659987940
n×5
3324984925
n÷2
332498492.5
n÷3
221665661.66667
n÷3
166249246.25
n÷5
132999397
n2
442220990059090225
n3
2.9407562509301E+26
n4
1.9555940404884E+35
n5
1.3004641408088E+44
2 √n
25787.535458046
3 √n
872.85055439461
4 √n
160.5849789303
5 √n
58.151903512695
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
-664996984
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 664996985 can be divided by 4 positive divisors.
The sum of these divisors (counting 664996985) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111101000110000110001111001
3
Ternary
1201100022100100222
4
Quaternary
213220300301321
5
Quinary
2330214400420
6
Senary
145553105425
8
Octal
4750606171
10
Decimal
664996985
12
Duodecimal
166858275
16
Hexadecimal
27a30c79
20
Vigesimal
a7g4c95
36
Base36
azx6yh
md5
b096942b873c07231d87edc635f6012c
sha1
bdc052e6d245c9eeac95e0e1c9cbeab57c5945e5
sha256
5d71b900a1e07746d4b2d2388aa2171e7e8b284c4c57f27b0c1183a314d71e17
sha512
f3c0165bea4c0e9d4db348613d9b837f151b9c5b7d0d4562cee4825bb0c89fa40401b7e9da423a563ded200571870b2e2717106dab20f40a354fb1cc8bbb0f62
ripemd-160
314d9d8c56cb05a9de918955991a977c6f40445a
Diameter
1329993970
Circumference
4178299285.4707
Area
1.3892782136328E+18
Volume
1.231821097856E+27
Surface area
5.5571128545314E+18
Circumference
4178299285.4707
Perimeter
2659987940
Area
442220990059090225
Diagonal
940447755.12422
Surface area
2653325940354541350
Volume
2.9407562509301E+26
Space diagonal
1151808564.9001
Perimeter
1994990955
Area
1.9148730573894E+17
Altitude
575904282.45006
Surface area
1.9148730573894E+17
Volume
3.4657144780823E+25
Height
313482585.04141