664691639 is an odd 9-digits composite number following 664691638
and preceding 664691640 . In scientific notation, it is written as 6.64691639 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 653771896 positive integers (up to 664691639) that are relatively prime to 664691639.
664691639 has 8 divisors, whose sum is 675682560
The reverse of 664691639 is 936196466
Previous prime number is 83
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 six hundred thirty-nine
Scientific notation
6.64691639 × 10^8
Engineering notation
6.64691639 × 10^6
Prime Factorization
227 × 83 × 35279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664691639
Product of the distinct prime numbers
The prime factorization of 664691639 is 227 × 83 × 35279.
Since it has a total of 3 prime factors.
2 , 9 , 22 , 88 , 392 , 228 , 1210 , 4374 , 26638 , 62843 , 369451 , 698528 , 9691268 , 2543846 , 70817692 , 59889444 , 788173664 , 765034991 , 3653615874 , 3253110999
n×2
1329383278
n×3
1994074917
n×4
2658766556
n×5
3323458195
n÷2
332345819.5
n÷3
221563879.66667
n÷3
166172909.75
n÷5
132938327.8
n2
441814974956506321
n3
2.9367071983858E+26
n4
1.9520047209582E+35
n5
1.2974812173094E+44
2 √n
25781.61435985
3 √n
872.71693863664
4 √n
160.56654184434
5 √n
58.146562221317
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
-664691638
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 664691639 can be divided by 8 positive divisors.
The sum of these divisors (counting 664691639) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100111100110001110110111
3
Ternary
1201022201211111212
4
Quaternary
213213212032313
5
Quinary
2330130113024
6
Senary
145542352035
8
Octal
4747461667
10
Decimal
664691639
12
Duodecimal
16672b61b
16
Hexadecimal
279e63b7
20
Vigesimal
a7e691j
36
Base36
azqncn
md5
606e658abf033f4eca1fb5df4e6e8190
sha1
b5f14fd356b499d932135f69e43d87af0d192f68
sha256
63f12a77afc95e9fd2f5b1fb97468a38c33c97cf95a38380fbb7f46dcdc11c17
sha512
598755a036ebe3e207226ed935c8ebbaebe7403d9b37e31bfa072e483c85c5fd085e0d34ca0a480df74e9816c4064e66c5945d0ea6b82d140c8e9b50cc070f58
ripemd-160
673d72904c024417a3e44cd950f3313ce748c194
Diameter
1329383278
Circumference
4176380739.9699
Area
1.3880026795693E+18
Volume
1.2301250346924E+27
Surface area
5.5520107182773E+18
Circumference
4176380739.9699
Perimeter
2658766556
Area
441814974956506321
Diagonal
940015930.6698
Surface area
2650889849739037926
Volume
2.9367071983858E+26
Space diagonal
1151279690.1142
Perimeter
1994074917
Area
1.9131149604236E+17
Altitude
575639845.05712
Surface area
1.9131149604236E+17
Volume
3.4609426238966E+25
Height
313338643.5566