6646945993 is an odd 10-digits composite number following 6646945992
and preceding 6646945994 . In scientific notation, it is written as 6.646945993 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 6465407616 positive integers (up to 6646945993) that are relatively prime to 6646945993.
6646945993 has 8 divisors, whose sum is 6828589512
The reverse of 6646945993 is 3995496466
Previous prime number is 3677
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 61
Digital Root 7
Name
six billion six hundred forty-six million nine hundred forty-five thousand nine hundred ninety-three
Scientific notation
6.646945993 × 10^9
Engineering notation
6.646945993 × 10^9
Prime Factorization
37 × 3677 × 48857
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6646945993
Product of the distinct prime numbers
The prime factorization of 6646945993 is 37 × 3677 × 48857.
Since it has a total of 3 prime factors.
6 , 3 , 59 , 71 , 220 , 182 , 7227 , 3925 , 96460 , 71556 , 911965 , 376300 , 8539614 , 5128917 , 81477926 , 53184511 , 889769300 , 876347837 , 878444990 , 2960856141
n×2
13293891986
n×3
19940837979
n×4
26587783972
n×5
33234729965
n÷2
3323472996.5
n÷3
2215648664.3333
n÷3
1661736498.25
n÷5
1329389198.6
n2
4.4181891033859E+19
n3
2.9367464357067E+29
n4
1.9520394953278E+39
n5
1.2975101101647E+49
2 √n
81528.804682762
3 √n
1880.2144384376
4 √n
285.53249321708
5 √n
92.156172715521
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
-6646945992
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 6646945993 can be divided by 8 positive divisors.
The sum of these divisors (counting 6646945993) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100001100000101100011001001
3
Ternary
122011020101211201221
4
Quaternary
12030030011203021
5
Quinary
102103104232433
6
Senary
3015323042041
8
Octal
61414054311
10
Decimal
6646945993
12
Duodecimal
1356070321
16
Hexadecimal
18c3058c9
20
Vigesimal
53h384jd
36
Base36
31xf4cp
md5
b868dd97e7b187707b9b2fc882804412
sha1
45b6b1096d97a693e6a7b397e6f6834ac4c9cf52
sha256
d69ad3b111c70175e667ca42ebf838e14c617a3d5bcd8b16c6685ae4b764c251
sha512
9c20aabfc6201fae39ca198420c8181484e689c52f771af342cc63c0ca76e9cfac72ca04f353e99b3a5a0801686c35a4537a08aa6f71c8b1ab8c7bc6ce24f60d
ripemd-160
e461ae023733570d1aaf398ac28240b86f9562c6
Diameter
13293891986
Circumference
41763993400.834
Area
1.3880150429368E+20
Volume
1.230141470383E+30
Surface area
5.552060171747E+20
Circumference
41763993400.834
Perimeter
26587783972
Area
4.4181891033859E+19
Diagonal
9400201171.6621
Surface area
2.6509134620315E+20
Volume
2.9367464357067E+29
Space diagonal
11512848175.042
Perimeter
19940837979
Area
1.9131320011279E+19
Altitude
5756424087.5212
Surface area
1.9131320011279E+19
Volume
3.4609888655227E+28
Height
3133400390.554