20211284 is an even 8-digits composite number following 20211283
and preceding 20211285 . In scientific notation, it is written as 2.0211284 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 6 positive divisors.
There are 10105640 positive integers (up to 20211284) that are relatively prime to 20211284.
20211284 has 6 divisors, whose sum is 35369754
The reverse of 20211284 is 48211202
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million two hundred eleven thousand two hundred eighty-four
Scientific notation
2.0211284 × 10^7
Engineering notation
2.0211284 × 10^6
Prime Factorization
2 × 2 × 5052821
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10105642
Product of the distinct prime numbers
The prime factorization of 20211284 is 2 × 2 × 5052821.
Since it has a total of 3 prime factors.
4 , 4 , 85 , 46 , 1000 , 913 , 7214 , 7973 , 47970 , 58856 , 417791 , 355965 , 870563 , 9791357 , 99873983 , 50193533 , 795065791 , 82277784 , 2008383372 , 563234470
n×2
40422568
n×3
60633852
n×4
80845136
n×5
101056420
n÷2
10105642
n÷3
6737094.6666667
n÷3
5052821
n÷5
4042256.8
n2
408496000928656
n3
8.2562286876333E+21
n4
1.668689827747E+29
n5
3.3726364016507E+36
2 √n
4495.6961641107
3 √n
272.39427034782
4 √n
67.049952752487
5 √n
28.914706006586
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20211283
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20211284 can be divided by 6 positive divisors.
The sum of these divisors (counting 20211284) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001101000110011001010100
3
Ternary
1102000211200002
4
Quaternary
1031012121110
5
Quinary
20133230114
6
Senary
2001110432
8
Octal
115063124
10
Decimal
20211284
12
Duodecimal
6928418
16
Hexadecimal
1346654
20
Vigesimal
666844
36
Base36
c174k
md5
68a9dcaa4d992addff1190251d7e3bdd
sha1
dbf81a12448857e89424f56e91c20d9391c3bbad
sha256
e1c636d432bce73185643bf0456d458729ecb01ab9ca8c3f3030dca7e8b63db8
sha512
a116b818dfee7c255fe04068518b7319fc875dae0f552fe796db19ace29b1434f37b0422e093198b2a99d8ba618e108072a35e6b75bcafe751e84249f8b6c722
ripemd-160
73eaae053c5a8e361b0990882e6617408169d3ad
Diameter
40422568
Circumference
126991242.66803
Area
1.2833280355383E+15
Volume
3.4583609855235E+22
Surface area
5.1333121421531E+15
Circumference
126991242.66803
Perimeter
80845136
Area
408496000928656
Diagonal
28583071.945774
Surface area
2450976005571936
Volume
8.2562286876333E+21
Space diagonal
35006970.774204
Perimeter
60633852
Area
1.7688395707428E+14
Altitude
17503485.387102
Surface area
1.7688395707428E+14
Volume
9.7300588200874E+20
Height
9527690.6485914