55721805 is an odd 8-digits composite number following 55721804
and preceding 55721806 . In scientific notation, it is written as 5.5721805 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 29550848 positive integers (up to 55721805) that are relatively prime to 55721805.
55721805 has 16 divisors, whose sum is 89657280
The reverse of 55721805 is 50812755
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
fifty-five million seven hundred twenty-one thousand eight hundred five
Scientific notation
5.5721805 × 10^7
Engineering notation
5.5721805 × 10^6
Prime Factorization
3 × 5 × 179 × 20753
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
55721805
Product of the distinct prime numbers
The prime factorization of 55721805 is 3 × 5 × 179 × 20753.
Since it has a total of 4 prime factors.
10 , 7 , 80 , 64 , 318 , 442 , 3352 , 6074 , 43770 , 18373 , 432558 , 70061 , 7746617 , 1005760 , 98159272 , 22102016 , 549105447 , 329352305 , 8695534813 , 4902224140
n×2
111443610
n×3
167165415
n×4
222887220
n×5
278609025
n÷2
27860902.5
n÷3
18573935
n÷3
13930451.25
n÷5
11144361
n2
3104919552458025
n3
1.7301172184275E+23
n4
9.6405254272361E+30
n5
5.3718747795399E+38
2 √n
7464.7039459044
3 √n
381.95165136472
4 √n
86.398518192758
5 √n
35.416450659535
1 , 3 , 5 , 15 , 179 , 537 , 895 , 2685 , 20753 , 62259 , 103765 , 311295 , 3714787 , 11144361 , 18573935 , 55721805
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-55721804
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 55721805 can be divided by 16 positive divisors.
The sum of these divisors (counting 55721805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11010100100011111101001101
3
Ternary
10212211221221120
4
Quaternary
3110203331031
5
Quinary
103231044210
6
Senary
5310151153
8
Octal
324437515
10
Decimal
55721805
12
Duodecimal
167b24b9
16
Hexadecimal
3523f4d
20
Vigesimal
h854a5
36
Base36
x6b7x
md5
154eade0a340ec2758814eb87c66deeb
sha1
820a641f6c473a81970b307587a5a14f0501ead5
sha256
2c8715302ad7ef021b17cf048856787fb512b6f3ff54a9b6c76f5a3b1eda8535
sha512
f88b53f7d3689afc192923eb632d70b8f6a1953b44c51d6a9df75a4b7ba734d0d09394b1d8effab4733c6924a3fd115fc566c4123b5aa6dd68a9736aa09035e4
ripemd-160
4501c6f16276a6dfe2809dbdafbb6122b2758020
Diameter
111443610
Circumference
350110426.46553
Area
9.7543924559894E+15
Volume
7.2470980576815E+23
Surface area
3.9017569823958E+16
Circumference
350110426.46553
Perimeter
222887220
Area
3104919552458025
Diagonal
78802532.350909
Surface area
18629517314748150
Volume
1.7301172184275E+23
Space diagonal
96512997.349445
Perimeter
167165415
Area
1.3444696045678E+15
Altitude
48256498.674723
Surface area
1.3444696045678E+15
Volume
2.0389626956629E+22
Height
26267510.783636