664691387 is an odd 9-digits composite number following 664691386
and preceding 664691388 . In scientific notation, it is written as 6.64691387 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 664628136 positive integers (up to 664691387) that are relatively prime to 664691387.
664691387 has 4 divisors, whose sum is 664754640
The reverse of 664691387 is 783196466
Previous prime number is 49943
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred sixty-four million six hundred ninety-one thousand three hundred eighty-seven
Scientific notation
6.64691387 × 10^8
Engineering notation
6.64691387 × 10^6
Prime Factorization
49943 × 13309
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
664691387
Product of the distinct prime numbers
The prime factorization of 664691387 is 49943 × 13309.
Since it has a total of 2 prime factors.
1 , 4 , 84 , 62 , 166 , 474 , 9465 , 8781 , 74624 , 58698 , 575128 , 416402 , 5895391 , 8063996 , 78072555 , 14288917 , 384602622 , 502784330 , 3440620179 , 1403472809
n×2
1329382774
n×3
1994074161
n×4
2658765548
n×5
3323456935
n÷2
332345693.5
n÷3
221563795.66667
n÷3
166172846.75
n÷5
132938277.4
n2
441814639951983769
n3
2.9367038582659E+26
n4
1.952001760759E+35
n5
1.2974787577853E+44
2 √n
25781.609472645
3 √n
872.71682834756
4 √n
160.56652662571
5 √n
58.146557812374
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
-664691386
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 664691387 can be divided by 4 positive divisors.
The sum of these divisors (counting 664691387) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111100111100110001010111011
3
Ternary
1201022201211011112
4
Quaternary
213213212022323
5
Quinary
2330130111022
6
Senary
145542350535
8
Octal
4747461273
10
Decimal
664691387
12
Duodecimal
16672b44b
16
Hexadecimal
279e62bb
20
Vigesimal
a7e6897
36
Base36
azqn5n
md5
ba646411934fdd5a9872e10a60b9c14c
sha1
288b057111367265c86b403184bc89b679c995f5
sha256
2d5b33452ed3ff8b1a57b765d9b0e81892dff45c1f56d146c1f8cabb09ede441
sha512
1a730557458d50386cbedcfc122faeb2e0694a6d19b56c6c0c843319bf419ff4dd4d7ea0ba41999da1674ab19d704d4014072693ea1f5ab5e811fa5e55ea6be0
ripemd-160
9559fd13539780e9a87927c5973cc041c704fb1e
Diameter
1329382774
Circumference
4176379156.6072
Area
1.3880016271216E+18
Volume
1.2301236355863E+27
Surface area
5.5520065084863E+18
Circumference
4176379156.6072
Perimeter
2658765548
Area
441814639951983769
Diagonal
940015574.28798
Surface area
2650887839711902614
Volume
2.9367038582659E+26
Space diagonal
1151279253.6374
Perimeter
1994074161
Area
1.9131135098115E+17
Altitude
575639626.81871
Surface area
1.9131135098115E+17
Volume
3.4609386875275E+25
Height
313338524.76266