664432821 is an odd 9-digits composite number following 664432820
and preceding 664432822 . In scientific notation, it is written as 6.64432821 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 407968704 positive integers (up to 664432821) that are relatively prime to 664432821.
664432821 has 8 divisors, whose sum is 667814400
The reverse of 664432821 is 128234466
Previous prime number is 509
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
six hundred sixty-four million four hundred thirty-two thousand eight hundred twenty-one
Scientific notation
6.64432821 × 10^8
Engineering notation
6.64432821 × 10^6
Prime Factorization
351 × 509 × 3719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664432821
Product of the distinct prime numbers
The prime factorization of 664432821 is 351 × 509 × 3719.
Since it has a total of 3 prime factors.
8 , 6 , 52 , 89 , 238 , 888 , 9406 , 6429 , 63257 , 17189 , 29406 , 832673 , 6831549 , 6048443 , 670 , 82398499 , 988065394 , 129758332 , 1145371424 , 4952087172
n×2
1328865642
n×3
1993298463
n×4
2657731284
n×5
3322164105
n÷2
332216410.5
n÷3
221477607
n÷3
166108205.25
n÷5
132886564.2
n2
441470973622018041
n3
2.9332780439329E+26
n4
1.9489662055077E+35
n5
1.2949571139592E+44
2 √n
25776.59444147
3 √n
872.60365092908
4 √n
160.55090918917
5 √n
58.142033287724
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
-664432820
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 664432821 can be divided by 8 positive divisors.
The sum of these divisors (counting 664432821) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100110100111000010110101
3
Ternary
1201022020200111000
4
Quaternary
213212213002311
5
Quinary
2330043322241
6
Senary
145533033513
8
Octal
4746470265
10
Decimal
664432821
12
Duodecimal
166625899
16
Hexadecimal
279a70b5
20
Vigesimal
a7ce211
36
Base36
azl3n9
md5
412d1ad7f64f4c6837dcc7a22c9c046c
sha1
f5e290e118033d20de23b5356c94814fdf1c243c
sha256
f32713d493175f602c63c508656d2499c57fcb52f11754ce85084923c56c45be
sha512
c2af3d9b7f5f8807b65f6de9253f52326a20d87dfd567b10842619dbca0c9e487751d0c090e86f73ae6bde0573ccd37d75564af0e739f3bf686d36f959b0cdb9
ripemd-160
9307564cf731a5fab7c6cfa37ebe8ef1ca611fdd
Diameter
1328865642
Circumference
4174754538.5151
Area
1.3869219675041E+18
Volume
1.2286886338341E+27
Surface area
5.5476878700163E+18
Circumference
4174754538.5151
Perimeter
2657731284
Area
441470973622018041
Diagonal
939649906.74402
Surface area
2648825841732108246
Volume
2.9332780439329E+26
Space diagonal
1150831404.1883
Perimeter
1993298463
Area
1.9116253909506E+17
Altitude
575415702.09416
Surface area
1.9116253909506E+17
Volume
3.4569013266177E+25
Height
313216635.58134