6643564839 is an odd 10-digits composite number following 6643564838
and preceding 6643564840 . In scientific notation, it is written as 6.643564839 × 10^9.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 4356426240 positive integers (up to 6643564839) that are relatively prime to 6643564839.
6643564839 has 24 divisors, whose sum is 10114842192
The reverse of 6643564839 is 9384653466
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
six billion six hundred forty-three million five hundred sixty-four thousand eight hundred thirty-nine
Scientific notation
6.643564839 × 10^9
Engineering notation
6.643564839 × 10^9
Prime Factorization
27 × 3 × 3 × 61 × 448193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2214521613
Product of the distinct prime numbers
The prime factorization of 6643564839 is 27 × 3 × 3 × 61 × 448193.
Since it has a total of 5 prime factors.
9 , 5 , 32 , 32 , 412 , 495 , 6710 , 4668 , 47177 , 75754 , 634202 , 843809 , 9351915 , 421717 , 82922101 , 78125463 , 193005980 , 134106277 , 4165747306 , 7268580103
n×2
13287129678
n×3
19930694517
n×4
26574259356
n×5
33217824195
n÷2
3321782419.5
n÷3
2214521613
n÷3
1660891209.75
n÷5
1328712967.8
n2
4.4136953769997E+19
n3
2.9322671416692E+29
n4
1.9480706880949E+39
n5
1.2942133927314E+49
2 √n
81508.06609778
3 √n
1879.8955765713
4 √n
285.49617527697
5 √n
92.146795247068
1 , 3 , 9 , 27 , 61 , 81 , 183 , 243 , 549 , 1647 , 4941 , 14823 , 448193 , 1344579 , 4033737 , 12101211 , 27339773 , 36303633 , 82019319 , 108910899 , 246057957 , 738173871 , 2214521613 , 6643564839
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6643564838
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6643564839 can be divided by 24 positive divisors.
The sum of these divisors (counting 6643564839) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001011111111001100000100100111
3
Ternary
122011000001001200000
4
Quaternary
12023333030010213
5
Quinary
102101223033324
6
Senary
3015122352343
8
Octal
61377140447
10
Decimal
6643564839
12
Duodecimal
1354abb6b3
16
Hexadecimal
18bfcc127
20
Vigesimal
53g25c1j
36
Base36
31venfr
md5
1b6051db5ef8ae42eb07b18a05e27335
sha1
bfdf81a41821192ab9c086f6fd5b62d97ccc1e3d
sha256
2dc3aedb6c32f51731b645f58779fa3049bce72f749afe2152e230def6766829
sha512
fbe3416ad26920266923704bd580b33908f4a3fc730f76bbd5357cc367b1794f22d4008d5aa4c2b23b78dfa5bf20d848a2ea985b84b8068f1218b9a238221f16
ripemd-160
52a9ff17caee301c0f2707fcdde453502a47457f
Diameter
13287129678
Circumference
41742748983.7
Area
1.3866032971566E+20
Volume
1.2282651880841E+30
Surface area
5.5464131886262E+20
Circumference
41742748983.7
Perimeter
26574259356
Area
4.4136953769997E+19
Diagonal
9395419497.8188
Surface area
2.6482172261998E+20
Volume
2.9322671416692E+29
Space diagonal
11506991844.526
Perimeter
19930694517
Area
1.9111861605238E+19
Altitude
5753495922.2631
Surface area
1.9111861605238E+19
Volume
3.4557099668747E+28
Height
3131806499.2729