644328393 is an odd 9-digits composite number following 644328392
and preceding 644328394 . In scientific notation, it is written as 6.44328393 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 429476784 positive integers (up to 644328393) that are relatively prime to 644328393.
644328393 has 8 divisors, whose sum is 859255488
The reverse of 644328393 is 393823446
Previous prime number is 6983
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty-four million three hundred twenty-eight thousand three hundred ninety-three
Scientific notation
6.44328393 × 10^8
Engineering notation
6.44328393 × 10^6
Prime Factorization
3 × 6983 × 30757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
644328393
Product of the distinct prime numbers
The prime factorization of 644328393 is 3 × 6983 × 30757.
Since it has a total of 3 prime factors.
4 , 10 , 100 , 91 , 2 , 561 , 6731 , 3266 , 31289 , 40814 , 768290 , 153010 , 4759412 , 56429 , 38648416 , 87923630 , 30504718 , 204850389 , 4059086623 , 9275934955
n×2
1288656786
n×3
1932985179
n×4
2577313572
n×5
3221641965
n÷2
322164196.5
n÷3
214776131
n÷3
161082098.25
n÷5
128865678.6
n2
415159078025962449
n3
2.6749878158383E+26
n4
1.7235706006737E+35
n5
1.1105454753541E+44
2 √n
25383.624504787
3 √n
863.71227103581
4 √n
159.32239172441
5 √n
57.785843077531
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
-644328392
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 644328393 can be divided by 8 positive divisors.
The sum of these divisors (counting 644328393) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110011001111010101111001001
3
Ternary
1122220102021101120
4
Quaternary
212121322233021
5
Quinary
2304422002033
6
Senary
143534105453
8
Octal
4631725711
10
Decimal
644328393
12
Duodecimal
15b94b289
16
Hexadecimal
2667abc9
20
Vigesimal
a1710jd
36
Base36
anm6yx
md5
151c4cd4af74b8417f676644a36c32bf
sha1
a1af9fe83cacf6ed068fcfbc4b19cb9f3d12c875
sha256
2c4125ce310afeb11885d46cdcd165aa965b4478ee26cd289eb0b6b28e61bdc6
sha512
e41508eae0f1833140ee4e01fea9cb54b0225a01237b83b4a426387f5e29a0d12e6d0a90ca96bd518cba8bd7cff72127460793d3ce93c850d052a5f4271ab81d
ripemd-160
bfbdbe46e622b0ed0c7aa22c130fbdc3a6105ae0
Diameter
1288656786
Circumference
4048434691.8962
Area
1.3042607095975E+18
Volume
1.1204962760906E+27
Surface area
5.2170428383899E+18
Circumference
4048434691.8962
Perimeter
2577313572
Area
415159078025962449
Diagonal
911217952.00266
Surface area
2490954468155774694
Volume
2.6749878158383E+26
Space diagonal
1116009513.4352
Perimeter
1932985179
Area
1.797691540911E+17
Altitude
558004756.7176
Surface area
1.797691540911E+17
Volume
3.1525033736178E+25
Height
303739317.33422