20219821 is an odd 8-digits composite number following 20219820
and preceding 20219822 . In scientific notation, it is written as 2.0219821 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 19992544 positive integers (up to 20219821) that are relatively prime to 20219821.
20219821 has 4 divisors, whose sum is 20447100
The reverse of 20219821 is 12891202
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred nineteen thousand eight hundred twenty-one
Scientific notation
2.0219821 × 10^7
Engineering notation
2.0219821 × 10^6
Prime Factorization
89 × 227189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20219821
Product of the distinct prime numbers
The prime factorization of 20219821 is 89 × 227189.
Since it has a total of 2 prime factors.
7 , 8 , 77 , 68 , 111 , 865 , 1057 , 8256 , 44350 , 76595 , 94419 , 63718 , 4960878 , 3372645 , 87675299 , 42386952 , 964134374 , 699199446 , 5520953132 , 9211955099
n×2
40439642
n×3
60659463
n×4
80879284
n×5
101099105
n÷2
10109910.5
n÷3
6739940.3333333
n÷3
5054955.25
n÷5
4043964.2
n2
408841161272041
n3
8.2666950983528E+21
n4
1.6715109515027E+29
n5
3.3797652238924E+36
2 √n
4496.6455275016
3 √n
272.43261695578
4 √n
67.057031901968
5 √n
28.917148237866
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
-20219820
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 20219821 can be divided by 4 positive divisors.
The sum of these divisors (counting 20219821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001000011110101101
3
Ternary
1102001021101021
4
Quaternary
1031020132231
5
Quinary
20134013241
6
Senary
2001214141
8
Octal
115103655
10
Decimal
20219821
12
Duodecimal
6931351
16
Hexadecimal
13487ad
20
Vigesimal
6679b1
36
Base36
c1dpp
md5
1c56df20c52fa089481f80b387fa48e0
sha1
47d88d01097fff754284d776ab6e1503afc95c20
sha256
3fd570db374a37d87b9b221c0810a7623d88929a1abeb3e7e3ba1c05c99c89c8
sha512
95395e876c0c194bac2129a29d72c291baa60a99ddabd3e01b08d9e3b156ca3451a62a1948c1e919eebd60da886a68825341e205f944c709ef22899d4eddeffa
ripemd-160
261ddb3d29dd2977e88bfc706a3b96be7adddbd1
Diameter
40439642
Circumference
127044882.221
Area
1.2844123887374E+15
Volume
3.4627451453936E+22
Surface area
5.1376495549495E+15
Circumference
127044882.221
Perimeter
80879284
Area
408841161272041
Diagonal
28595145.086956
Surface area
2453046967632246
Volume
8.2666950983528E+21
Space diagonal
35021757.291948
Perimeter
60659463
Area
1.7703341588716E+14
Altitude
17510878.645974
Surface area
1.7703341588716E+14
Volume
9.7423936034114E+20
Height
9531715.0289854