664646985 is an odd 9-digits composite number following 664646984
and preceding 664646986 . In scientific notation, it is written as 6.64646985 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 334851264 positive integers (up to 664646985) that are relatively prime to 664646985.
664646985 has 32 divisors, whose sum is 873815040
The reverse of 664646985 is 589646466
Previous prime number is 2579
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred sixty-four million six hundred forty-six thousand nine hundred eighty-five
Scientific notation
6.64646985 × 10^8
Engineering notation
6.64646985 × 10^6
Prime Factorization
27 × 5 × 23 × 2579 × 83
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
664646985
Product of the distinct prime numbers
The prime factorization of 664646985 is 27 × 5 × 23 × 2579 × 83.
Since it has a total of 5 prime factors.
3 , 2 , 9 , 33 , 737 , 931 , 8753 , 877 , 67240 , 323 , 211179 , 600172 , 1359110 , 634889 , 7233313 , 13436553 , 560041951 , 911142106 , 3576252665 , 440328286
n×2
1329293970
n×3
1993940955
n×4
2658587940
n×5
3323234925
n÷2
332323492.5
n÷3
221548995
n÷3
166161746.25
n÷5
132929397
n2
441755614669590225
n3
2.9361153739696E+26
n4
1.9514802309211E+35
n5
1.2970454517688E+44
2 √n
25780.748340574
3 √n
872.69739515081
4 √n
160.56384506038
5 √n
58.145780942837
1 , 5 , 23 , 27 , 83 , 115 , 135 , 415 , 621 , 1909 , 2241 , 2579 , 3105 , 9545 , 11205 , 12895 , 51543 , 59317 , 69633 , 214057 , 257715 , 296585 , 348165 , 1070285 , 1601559 , 4923311 , 5779539 , 8007795 , 24616555 , 28897695 , 132929397 , 664646985
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-664646984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664646985 can be divided by 32 positive divisors.
The sum of these divisors (counting 664646985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111100111011011010101001001
3
Ternary
1201022122120021000
4
Quaternary
213213123111021
5
Quinary
2330122200420
6
Senary
145541405213
8
Octal
4747332511
10
Decimal
664646985
12
Duodecimal
166709809
16
Hexadecimal
279db549
20
Vigesimal
a7e0h95
36
Base36
azpow9
md5
ad835770e81b3345f187d60c6ed71d80
sha1
8c8557ff9e5b3b48f99a7354ab87aeffc2ec5d84
sha256
f6de3807405cf13583dd90161a4e785797665dd72e7063db4851a09dbfa82575
sha512
84d5c002b6490dcc7fccecf12cecb8c72c50e7367d3b14f0fbc532d81cf1031a84ead090c26caf6337c5567c7640d2bf5894ab5bd9fee733afc66f3b1d000d1a
ripemd-160
7c199a0c2278a4acb28a73e5ba4ab6f8e061d2e9
Diameter
1329293970
Circumference
4176100170.6132
Area
1.387816193728E+18
Volume
1.2298771318607E+27
Surface area
5.5512647749121E+18
Circumference
4176100170.6132
Perimeter
2658587940
Area
441755614669590225
Diagonal
939952780.37739
Surface area
2650533688017541350
Volume
2.9361153739696E+26
Space diagonal
1151202347.1175
Perimeter
1993940955
Area
1.9128579228414E+17
Altitude
575601173.55873
Surface area
1.9128579228414E+17
Volume
3.4602451521334E+25
Height
313317593.45913