664657687 is an odd 9-digits composite number following 664657686
and preceding 664657688 . In scientific notation, it is written as 6.64657687 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 625560160 positive integers (up to 664657687) that are relatively prime to 664657687.
664657687 has 4 divisors, whose sum is 703755216
The reverse of 664657687 is 786756466
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-four million six hundred fifty-seven thousand six hundred eighty-seven
Scientific notation
6.64657687 × 10^8
Engineering notation
6.64657687 × 10^6
Prime Factorization
17 × 39097511
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
664657687
Product of the distinct prime numbers
The prime factorization of 664657687 is 17 × 39097511.
Since it has a total of 2 prime factors.
8 , 2 , 13 , 34 , 186 , 329 , 4084 , 2977 , 22712 , 79307 , 719198 , 637849 , 2893706 , 1602868 , 84454271 , 45041401 , 236240624 , 963243028 , 6652293067 , 2190633014
n×2
1329315374
n×3
1993973061
n×4
2658630748
n×5
3323288435
n÷2
332328843.5
n÷3
221552562.33333
n÷3
166164421.75
n÷5
132931537.4
n2
441769840888189969
n3
2.936257206311E+26
n4
1.9516059231838E+35
n5
1.2971498788388E+44
2 √n
25780.955897716
3 √n
872.7020791197
4 √n
160.56449139743
5 √n
58.145968191754
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
-664657686
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 664657687 can be divided by 4 positive divisors.
The sum of these divisors (counting 664657687) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111100111011101111100010111
3
Ternary
1201022200002221101
4
Quaternary
213213131330113
5
Quinary
2330123021222
6
Senary
145541530531
8
Octal
4747357427
10
Decimal
664657687
12
Duodecimal
166713a47
16
Hexadecimal
279ddf17
20
Vigesimal
a7e2447
36
Base36
azpx5j
md5
e63e1dca56f2da805221661df20795f9
sha1
cd105ddeeb0c563748760cb36e7d109f7408eaf2
sha256
fc49554919f3717c5e6a80aeaac53030a148f47297012ead49081b0856de3631
sha512
893576807d5d686c942d716d3e50801136d17fa5bf0880ee943c4eec753c9bad81dbb0dc04f4a2a020e0b28f00fa121004fdeca52e5f7a30565076896a4d0403
ripemd-160
ea0043d80ef021fe8d4e89aa44cae9454d461c68
Diameter
1329315374
Circumference
4176167413.2624
Area
1.3878608867119E+18
Volume
1.2299365424529E+27
Surface area
5.5514435468475E+18
Circumference
4176167413.2624
Perimeter
2658630748
Area
441769840888189969
Diagonal
939967915.29093
Surface area
2650619045329139814
Volume
2.936257206311E+26
Space diagonal
1151220883.5252
Perimeter
1993973061
Area
1.9129195241749E+17
Altitude
575610441.76261
Surface area
1.9129195241749E+17
Volume
3.4604123031507E+25
Height
313322638.43031