20221389 is an odd 8-digits composite number following 20221388
and preceding 20221390 . In scientific notation, it is written as 2.0221389 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13457664 positive integers (up to 20221389) that are relatively prime to 20221389.
20221389 has 8 divisors, whose sum is 22507000
The reverse of 20221389 is 98312202
Previous prime number is 709
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million two hundred twenty-one thousand three hundred eighty-nine
Scientific notation
2.0221389 × 10^7
Engineering notation
2.0221389 × 10^6
Prime Factorization
9 × 709 × 3169
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20221389
Product of the distinct prime numbers
The prime factorization of 20221389 is 9 × 709 × 3169.
Since it has a total of 3 prime factors.
10 , 1 , 78 , 37 , 419 , 693 , 5129 , 6539 , 74414 , 81544 , 157647 , 236883 , 3489491 , 4253137 , 17829035 , 36222347 , 562381032 , 67078355 , 2469108262 , 8185352758
n×2
40442778
n×3
60664167
n×4
80885556
n×5
101106945
n÷2
10110694.5
n÷3
6740463
n÷3
5055347.25
n÷5
4044277.8
n2
408904573089321
n3
8.2686184363181E+21
n4
1.6720294989336E+29
n5
3.3810758917411E+36
2 √n
4496.8198763126
3 √n
272.43965894528
4 √n
67.058331893305
5 √n
28.917596715447
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
-20221388
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 20221389 can be divided by 8 positive divisors.
The sum of these divisors (counting 20221389) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000110111001101
3
Ternary
1102001100112100
4
Quaternary
1031020313031
5
Quinary
20134041024
6
Senary
2001225313
8
Octal
115106715
10
Decimal
20221389
12
Duodecimal
6932239
16
Hexadecimal
1348dcd
20
Vigesimal
667d99
36
Base36
c1ex9
md5
d31fe97fdb159c0d2cffce6eb73013f9
sha1
9b205bf02f3e4a455b3e71db0fa4dc19e8685f95
sha256
0c6ad052cad51b6807b8bafaa7ad297de9600a83317a161733280b9c0f8b1f8d
sha512
d0b7649d7473970bf67e3f0af0e8d6ac613c7d2bdbef56cde20b163ac6e426a3a5254bac3c2e606f7fededfdfb14e178e180d053622eeb9f2b180fb78c11d3cd
ripemd-160
596162ed66dc7eea511951f908889c437df2ede0
Diameter
40442778
Circumference
127054734.25556
Area
1.2846116028367E+15
Volume
3.4635507913165E+22
Surface area
5.1384464113467E+15
Circumference
127054734.25556
Perimeter
80885556
Area
408904573089321
Diagonal
28597362.573822
Surface area
2453427438535926
Volume
8.2686184363181E+21
Space diagonal
35024473.147614
Perimeter
60664167
Area
1.7706087400949E+14
Altitude
17512236.573807
Surface area
1.7706087400949E+14
Volume
9.7446602789411E+20
Height
9532454.191274