664401821 is an odd 9-digits composite number following 664401820
and preceding 664401822 . In scientific notation, it is written as 6.64401821 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 656936544 positive integers (up to 664401821) that are relatively prime to 664401821.
664401821 has 4 divisors, whose sum is 671867100
The reverse of 664401821 is 128104466
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
six hundred sixty-four million four hundred one thousand eight hundred twenty-one
Scientific notation
6.64401821 × 10^8
Engineering notation
6.64401821 × 10^6
Prime Factorization
89 × 7465189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
664401821
Product of the distinct prime numbers
The prime factorization of 664401821 is 89 × 7465189.
Since it has a total of 2 prime factors.
3 , 2 , 61 , 73 , 653 , 737 , 9812 , 2283 , 63958 , 13204 , 987424 , 280714 , 1396974 , 7927320 , 13852524 , 29193492 , 596776029 , 723680219 , 7115652780 , 2944937195
n×2
1328803642
n×3
1993205463
n×4
2657607284
n×5
3322009105
n÷2
332200910.5
n÷3
221467273.66667
n÷3
166100455.25
n÷5
132880364.2
n2
441429779748116041
n3
2.9328674950828E+26
n4
1.9486025044847E+35
n5
1.2946550523848E+44
2 √n
25775.993113748
3 √n
872.59007988872
4 √n
160.54903647717
5 √n
58.141490738767
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
-664401820
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 664401821 can be divided by 4 positive divisors.
The sum of these divisors (counting 664401821) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111100110011111011110011101
3
Ternary
1201022012002221212
4
Quaternary
213212133132131
5
Quinary
2330041324241
6
Senary
145532234205
8
Octal
4746373635
10
Decimal
664401821
12
Duodecimal
16660b965
16
Hexadecimal
2799f79d
20
Vigesimal
a7ca4b1
36
Base36
azkfq5
md5
2742dec3440c62eece572de267bad687
sha1
d2ca0f2430d85e397704201f736ab15d566dbe5e
sha256
3eaf6f68e7088b94551b1ad4ec9512cca2ad3b7d968d9999a9edd75367a33bdc
sha512
d265de2399376659cef374608395536a1a3f80c6f789e08fc65082f151b87adfe7a4f309e970583680b7760333683339cd5f882f35caa8f088909a3a542d751e
ripemd-160
a049504a185ef5af0437dd8caec65f738881d634
Diameter
1328803642
Circumference
4174559759.7706
Area
1.3867925531324E+18
Volume
1.2285166635339E+27
Surface area
5.5471702125298E+18
Circumference
4174559759.7706
Perimeter
2657607284
Area
441429779748116041
Diagonal
939606066.12358
Surface area
2648578678488696246
Volume
2.9328674950828E+26
Space diagonal
1150777710.6133
Perimeter
1993205463
Area
1.9114470162442E+17
Altitude
575388855.30664
Surface area
1.9114470162442E+17
Volume
3.4564174901577E+25
Height
313202022.04119