664942021 is an odd 9-digits composite number following 664942020
and preceding 664942022 . In scientific notation, it is written as 6.64942021 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 664604044 positive integers (up to 664942021) that are relatively prime to 664942021.
664942021 has 4 divisors, whose sum is 665280000
The reverse of 664942021 is 120249466
Previous prime number is 1979
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
six hundred sixty-four million nine hundred forty-two thousand twenty-one
Scientific notation
6.64942021 × 10^8
Engineering notation
6.64942021 × 10^6
Prime Factorization
1979 × 335999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
664942021
Product of the distinct prime numbers
The prime factorization of 664942021 is 1979 × 335999.
Since it has a total of 2 prime factors.
4 , 10 , 43 , 44 , 952 , 179 , 2270 , 4246 , 14968 , 93197 , 374920 , 132138 , 2413195 , 4859372 , 69328243 , 30256879 , 722205900 , 159657896 , 1980382881 , 57323656
n×2
1329884042
n×3
1994826063
n×4
2659768084
n×5
3324710105
n÷2
332471010.5
n÷3
221647340.33333
n÷3
166235505.25
n÷5
132988404.2
n2
442147891291564441
n3
2.940027124163E+26
n4
1.9549475777358E+35
n5
1.2999267932887E+44
2 √n
25786.469727359
3 √n
872.82650582457
4 √n
160.58166061963
5 √n
58.150942194983
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
-664942020
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 664942021 can be divided by 4 positive divisors.
The sum of these divisors (counting 664942021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111101000100011010111000101
3
Ternary
1201100012112222021
4
Quaternary
213220203113011
5
Quinary
2330211121041
6
Senary
145552003141
8
Octal
4750432705
10
Decimal
664942021
12
Duodecimal
1668304b1
16
Hexadecimal
27a235c5
20
Vigesimal
a7fhf11
36
Base36
azw0jp
md5
be374f96c74a924c4ee2af1884ccf7e9
sha1
496920db53eaf8bf4a392d6296066272911f1962
sha256
1ce7cd0b4b31105b61f9d4690063b79976d660222b14c81b4d78276300538f4b
sha512
658b3c1e811bda76ed9167b5660de0f0c11e4b38bc4835cff8145e6708d68a7aa0e6efb115b90d722379d3d07103ff2d7a0eb2d1e217e9411166bef9673881e5
ripemd-160
655f76182d6c6c41570c4cd3cfaa10ae180070c5
Diameter
1329884042
Circumference
4177953936.4735
Area
1.3890485670818E+18
Volume
1.23151568195E+27
Surface area
5.5561942683272E+18
Circumference
4177953936.4735
Perimeter
2659768084
Area
442147891291564441
Diagonal
940370024.28998
Surface area
2652887347749386646
Volume
2.940027124163E+26
Space diagonal
1151713364.4595
Perimeter
1994826063
Area
1.9145565304411E+17
Altitude
575856682.22977
Surface area
1.9145565304411E+17
Volume
3.4648551939467E+25
Height
313456674.76333