664691388 is an even 9-digits composite number following 664691387
and preceding 664691389 . In scientific notation, it is written as 6.64691388 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 221563792 positive integers (up to 664691388) that are relatively prime to 664691388.
664691388 has 12 divisors, whose sum is 1550946600
The reverse of 664691388 is 883196466
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred sixty-four million six hundred ninety-one thousand three hundred eighty-eight
Scientific notation
6.64691388 × 10^8
Engineering notation
6.64691388 × 10^6
Prime Factorization
2 × 2 × 3 × 55390949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
332345694
Product of the distinct prime numbers
The prime factorization of 664691388 is 2 × 2 × 3 × 55390949.
Since it has a total of 4 prime factors.
2 , 4 , 52 , 39 , 252 , 20 , 5943 , 9159 , 33408 , 27823 , 409002 , 389213 , 7817676 , 9400678 , 55356810 , 7664666 , 859613965 , 707120880 , 9508332689 , 1658986347
n×2
1329382776
n×3
1994074164
n×4
2658765552
n×5
3323456940
n÷2
332345694
n÷3
221563796
n÷3
166172847
n÷5
132938277.6
n2
441814641281366544
n3
2.9367038715203E+26
n4
1.9520017725058E+35
n5
1.2974787675454E+44
2 √n
25781.609492039
3 √n
872.71682878521
4 √n
160.5665266861
5 √n
58.14655782987
1 , 2 , 3 , 4 , 6 , 12 , 55390949 , 110781898 , 166172847 , 221563796 , 332345694 , 664691388
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-664691387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664691388 can be divided by 12 positive divisors.
The sum of these divisors (counting 664691388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111100111100110001010111100
3
Ternary
1201022201211011120
4
Quaternary
213213212022330
5
Quinary
2330130111023
6
Senary
145542350540
8
Octal
4747461274
10
Decimal
664691388
12
Duodecimal
16672b450
16
Hexadecimal
279e62bc
20
Vigesimal
a7e6898
36
Base36
azqn5o
md5
6d189d91783b2cb9e04e29619eab0f4c
sha1
781c59b05b99be7d1ddb751782633fcf7e577ce6
sha256
0f18a4216a2783aacece56f3e47c686bfeb7ba7106f810443965c01669b8fb07
sha512
5cedbf090c9efe54c0d8d891d290521fb0e9f0bbbafa1a62345e2b4832632c4f1a366591ec9cdafe8c5edeb7c1566cd89237ea6ebccc916d7951fd6267442099
ripemd-160
290d7ff0dbd5a82a84e332bbe89a24c16ec3f49b
Diameter
1329382776
Circumference
4176379162.8904
Area
1.388001631298E+18
Volume
1.2301236411383E+27
Surface area
5.5520065251918E+18
Circumference
4176379162.8904
Perimeter
2658765552
Area
441814641281366544
Diagonal
940015575.7022
Surface area
2650887847688199264
Volume
2.9367038715203E+26
Space diagonal
1151279255.3695
Perimeter
1994074164
Area
1.9131135155679E+17
Altitude
575639627.68474
Surface area
1.9131135155679E+17
Volume
3.460938703148E+25
Height
313338525.23407