664756687 is an odd 9-digits composite number following 664756686
and preceding 664756688 . In scientific notation, it is written as 6.64756687 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 559038480 positive integers (up to 664756687) that are relatively prime to 664756687.
664756687 has 8 divisors, whose sum is 691124400
The reverse of 664756687 is 786657466
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-four million seven hundred fifty-six thousand six hundred eighty-seven
Scientific notation
6.64756687 × 10^8
Engineering notation
6.64756687 × 10^6
Prime Factorization
49 × 53 × 255971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664756687
Product of the distinct prime numbers
The prime factorization of 664756687 is 49 × 53 × 255971.
Since it has a total of 3 prime factors.
8 , 8 , 47 , 48 , 277 , 951 , 6785 , 294 , 44285 , 85715 , 495044 , 968524 , 7076163 , 3971852 , 67992728 , 24915720 , 636073156 , 508626724 , 6595178958 , 7294278568
n×2
1329513374
n×3
1994270061
n×4
2659026748
n×5
3323783435
n÷2
332378343.5
n÷3
221585562.33333
n÷3
166189171.75
n÷5
132951337.4
n2
441901452911215969
n3
2.9375694581775E+26
n4
1.9527689408504E+35
n5
1.2981162115962E+44
2 √n
25782.875848128
3 √n
872.74540629311
4 √n
160.5704700377
5 √n
58.147700243614
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
-664756686
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 664756687 can be divided by 8 positive divisors.
The sum of these divisors (counting 664756687) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100111110110000111001111
3
Ternary
1201022212010202001
4
Quaternary
213213312013033
5
Quinary
2330134203222
6
Senary
145544013131
8
Octal
4747660717
10
Decimal
664756687
12
Duodecimal
1667611a7
16
Hexadecimal
279f61cf
20
Vigesimal
a7eebe7
36
Base36
azs1jj
md5
a35c48c67a79e7c9100f2f01ff77ec87
sha1
5a74b4e5227305de343c02bc23ce54b299b02e20
sha256
5c970a372c9b3efaba4ed6cfed6e746c01ef53bebb3eb3a73f8b0f3cb2892214
sha512
23fe4649573d12213905321388c08502e1002a5d04e71ce9c5818e67a686560b934f6f78a5f66d064166ee795e1c035d2f253da29db9a53cbfbfbb1402dd39c1
ripemd-160
32197330db50391cc87785c209531c193731eab0
Diameter
1329513374
Circumference
4176789448.6078
Area
1.3882743580765E+18
Volume
1.2304862172293E+27
Surface area
5.5530974323061E+18
Circumference
4176789448.6078
Perimeter
2659026748
Area
441901452911215969
Diagonal
940107922.43361
Surface area
2651408717467295814
Volume
2.9375694581775E+26
Space diagonal
1151392356.5552
Perimeter
1994270061
Area
1.9134894209518E+17
Altitude
575696178.27758
Surface area
1.9134894209518E+17
Volume
3.4619588068063E+25
Height
313369307.47787