20215 is an odd 5-digits composite number following 20214
and preceding 20216 . In scientific notation, it is written as 2.0215 × 10^4.
The sum of its digits is 10. It has a total of 3 prime factors and 8 positive divisors.
There are 14880 positive integers (up to 20215) that are relatively prime to 20215.
20215 has 8 divisors, whose sum is 26208
The reverse of 20215 is 51202
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 10
Digital Root 1
Name
twenty thousand two hundred fifteen
Scientific notation
2.0215 × 10^4
Engineering notation
2.0215 × 10^3
Prime Factorization
13 × 5 × 311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20215
Product of the distinct prime numbers
The prime factorization of 20215 is 13 × 5 × 311.
Since it has a total of 3 prime factors.
3 , 10 , 33 , 33 , 183 , 811 , 337 , 7255 , 70816 , 4937 , 945581 , 641704 , 7943238 , 2145156 , 6090820 , 24584262 , 249175970 , 939645216 , 5268454982 , 9244679389
n×2
40430
n×3
60645
n×4
80860
n×5
101075
n÷2
10107.5
n÷3
6738.3333333333
n÷3
5053.75
n÷5
4043
n2
408646225
n3
8260783438375
n4
166991737206750625
n5
3.3757379676345E+21
2 √n
142.17946405863
3 √n
27.241096325198
4 √n
11.923903054731
5 √n
7.2633128226282
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
-20214
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 20215 can be divided by 8 positive divisors.
The sum of these divisors (counting 20215) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011110111
3
Ternary
1000201201
4
Quaternary
10323313
5
Quinary
1121330
6
Senary
233331
8
Octal
47367
10
Decimal
20215
12
Duodecimal
b847
16
Hexadecimal
4ef7
20
Vigesimal
2aaf
36
Base36
flj
md5
883163b9c71c2b2576534baf44a5d0fe
sha1
f5f2eb708ebc76156ed21b85178240f5acecd8d3
sha256
1f463eb31d6fa7f3a7b37a80f9808814fc05bf10f01a3f653bf369d7603c8000
sha512
4c490d41a67c47bc2ad0619f2e5127e57ca6544c87c36274c811bd1d386ec148f936e812308fe2d8fdfa957db980e6a4d4f23c5377f0f527b1f67950236d6b5b
ripemd-160
3bbc6e85734fcddf5f766c1d39dcbadad43c2a41
Diameter
40430
Circumference
127014.59098464
Area
1283799978.3772
Volume
34602688750527
Surface area
5135199913.5088
Circumference
127014.59098464
Perimeter
80860
Area
408646225
Diagonal
28588.327163372
Surface area
2451877350
Volume
8260783438375
Space diagonal
35013.407075005
Perimeter
60645
Area
176949006.00531
Altitude
17506.703537502
Surface area
176949006.00531
Volume
973542664531.41
Height
9529.4423877907