20221209 is an odd 8-digits composite number following 20221208
and preceding 20221210 . In scientific notation, it is written as 2.0221209 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 12894552 positive integers (up to 20221209) that are relatively prime to 20221209.
20221209 has 8 divisors, whose sum is 23445120
The reverse of 20221209 is 90212202
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million two hundred twenty-one thousand two hundred nine
Scientific notation
2.0221209 × 10^7
Engineering notation
2.0221209 × 10^6
Prime Factorization
9 × 23 × 97687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20221209
Product of the distinct prime numbers
The prime factorization of 20221209 is 9 × 23 × 97687.
Since it has a total of 3 prime factors.
9 , 6 , 20 , 94 , 767 , 183 , 2390 , 3867 , 99498 , 87349 , 719849 , 823222 , 5074617 , 7611328 , 59768003 , 31586318 , 47285301 , 329931513 , 4611181363 , 2897444854
n×2
40442418
n×3
60663627
n×4
80884836
n×5
101106045
n÷2
10110604.5
n÷3
6740403
n÷3
5055302.25
n÷5
4044241.8
n2
408897293421681
n3
8.2683976298141E+21
n4
1.6719699656758E+29
n5
3.3809254117652E+36
2 √n
4496.7998621242
3 √n
272.43885057213
4 √n
67.058182663447
5 √n
28.917545233465
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
-20221208
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 20221209 can be divided by 8 positive divisors.
The sum of these divisors (counting 20221209) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000110100011001
3
Ternary
1102001100021200
4
Quaternary
1031020310121
5
Quinary
20134034314
6
Senary
2001224413
8
Octal
115106431
10
Decimal
20221209
12
Duodecimal
6932109
16
Hexadecimal
1348d19
20
Vigesimal
667d09
36
Base36
c1es9
md5
90059d8199e8c9682f9473d0fc2dca69
sha1
eb2c1478c414b99e0a011bd4febc9995b22509c3
sha256
d904181acc318a0a976cc77766751a1ee920f73ccfe7ec859c955717ac7aa629
sha512
04fdd0f4d109831b5307da72d9c30e4c57ba498225f5d2befdcf6baf571d5506b03abf19b08bca82b21b9a20a83ba359f1ebeb653b4ae2866543bb7c80f2f97b
ripemd-160
442fdffbf28bb11584e59a760dc96aa7b10a5b84
Diameter
40442418
Circumference
127053603.28221
Area
1.2845887330863E+15
Volume
3.4634583001044E+22
Surface area
5.1383549323452E+15
Circumference
127053603.28221
Perimeter
80884836
Area
408897293421681
Diagonal
28597108.015381
Surface area
2453383760530086
Volume
8.2683976298141E+21
Space diagonal
35024161.378469
Perimeter
60663627
Area
1.7705772182094E+14
Altitude
17512080.689235
Surface area
1.7705772182094E+14
Volume
9.7444000559806E+20
Height
9532369.3384603