20218855 is an odd 8-digits composite number following 20218854
and preceding 20218856 . In scientific notation, it is written as 2.0218855 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 16175080 positive integers (up to 20218855) that are relatively prime to 20218855.
20218855 has 4 divisors, whose sum is 24262632
The reverse of 20218855 is 55881202
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million two hundred eighteen thousand eight hundred fifty-five
Scientific notation
2.0218855 × 10^7
Engineering notation
2.0218855 × 10^6
Prime Factorization
5 × 4043771
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20218855
Product of the distinct prime numbers
The prime factorization of 20218855 is 5 × 4043771.
Since it has a total of 2 prime factors.
10 , 3 , 80 , 81 , 712 , 236 , 6309 , 4419 , 63466 , 34856 , 42207 , 972400 , 1490835 , 6462538 , 44159112 , 42613191 , 843133809 , 457769872 , 7812408132 , 5389566986
n×2
40437710
n×3
60656565
n×4
80875420
n×5
101094275
n÷2
10109427.5
n÷3
6739618.3333333
n÷3
5054713.75
n÷5
4043771
n2
408802097511025
n3
8.2655103332713E+21
n4
1.6711915492941E+29
n5
3.3789579612403E+36
2 √n
4496.5381128152
3 √n
272.42827840601
4 √n
67.05623097681
5 √n
28.916871929792
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20218854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20218855 can be divided by 4 positive divisors.
The sum of these divisors (counting 20218855) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001000001111100111
3
Ternary
1102001020001111
4
Quaternary
1031020033213
5
Quinary
20134000410
6
Senary
2001205451
8
Octal
115101747
10
Decimal
20218855
12
Duodecimal
6930887
16
Hexadecimal
13483e7
20
Vigesimal
66772f
36
Base36
c1cyv
md5
5f5bcc5929da04fee477ae1cdb15558a
sha1
6811590e5b49c2ac8570c8b9f05ca6c2bbfead17
sha256
1fbdcb7f0e7f864eea140b847d4ac478d41faf6921ed8f3d33750c1b86ff06f6
sha512
e553a909b2eb9b09239c281e4a4e4155b55a76b4fbeb40d784cacc3ab0ac2c746e66575cb2f67f709566229ebe78fa2d7f8acf314e8174740c45484f03211ec2
ripemd-160
d87c8fe13398a3e6af848e85e65105d15895beb3
Diameter
40437710
Circumference
127038812.66399
Area
1.2842896663127E+15
Volume
3.4622488721567E+22
Surface area
5.1371586652509E+15
Circumference
127038812.66399
Perimeter
80875420
Area
408802097511025
Diagonal
28593778.956655
Surface area
2452812585066150
Volume
8.2655103332713E+21
Space diagonal
35020084.130868
Perimeter
60656565
Area
1.7701650078246E+14
Altitude
17510042.065434
Surface area
1.7701650078246E+14
Volume
9.7409973443727E+20
Height
9531259.6522184