6644421821 is an odd 10-digits composite number following 6644421820
and preceding 6644421822 . In scientific notation, it is written as 6.644421821 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 6442323552 positive integers (up to 6644421821) that are relatively prime to 6644421821.
6644421821 has 8 divisors, whose sum is 6849605760
The reverse of 6644421821 is 1281244466
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 38
Digital Root 2
Name
six billion six hundred forty-four million four hundred twenty-one thousand eight hundred twenty-one
Scientific notation
6.644421821 × 10^9
Engineering notation
6.644421821 × 10^9
Prime Factorization
59 × 73 × 1542703
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6644421821
Product of the distinct prime numbers
The prime factorization of 6644421821 is 59 × 73 × 1542703.
Since it has a total of 3 prime factors.
7 , 1 , 81 , 69 , 330 , 149 , 4856 , 3030 , 11920 , 50415 , 380014 , 546873 , 3530328 , 6349667 , 57882757 , 28366897 , 445050291 , 505545302 , 2784768915 , 2903738581
n×2
13288843642
n×3
19933265463
n×4
26577687284
n×5
33222109105
n÷2
3322210910.5
n÷3
2214807273.6667
n÷3
1661105455.25
n÷5
1328884364.2
n2
4.4148341335381E+19
n3
2.9334020252976E+29
n4
1.9490760426653E+39
n5
1.2950483388674E+49
2 √n
81513.322966249
3 √n
1879.9764050343
4 √n
285.50538167651
5 √n
92.149172406697
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
-6644421820
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 6644421821 can be divided by 8 positive divisors.
The sum of these divisors (counting 6644421821) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100000010011101010010111101
3
Ternary
122011001122121020002
4
Quaternary
12030002131102331
5
Quinary
102101432444241
6
Senary
3015153004045
8
Octal
61402352275
10
Decimal
6644421821
12
Duodecimal
1355253625
16
Hexadecimal
18c09d4bd
20
Vigesimal
53g7ceb1
36
Base36
31vx0ot
md5
96d3102168b8a6da266969e0c40343ca
sha1
a442fe357abf86ccad155aeb934e1032d850e2f5
sha256
7fc566d363b94874c1ed39216512bcf18726debbf3f6dc27f7bff27cb36dbe7c
sha512
c45458cac962a973d1e21e29a5727b8a43011a294912135c3fda9fc7d7425e2d42fbba635f18982da101bd13b04198ba6fb7456cc9e5d4d256d2f927ce9a8366
ripemd-160
670631abaa23b0b840358526caf819161519168a
Diameter
13288843642
Circumference
41748133560.411
Area
1.3869610480741E+20
Volume
1.2287405670267E+30
Surface area
5.5478441922963E+20
Circumference
41748133560.411
Perimeter
26577687284
Area
4.4148341335381E+19
Diagonal
9396631453.3859
Surface area
2.6489004801229E+20
Volume
2.9334020252976E+29
Space diagonal
11508476180.891
Perimeter
19933265463
Area
1.9116792565693E+19
Altitude
5754238090.4457
Surface area
1.9116792565693E+19
Volume
3.4570474400572E+28
Height
3132210484.462