20182821 is an odd 8-digits composite number following 20182820
and preceding 20182822 . In scientific notation, it is written as 2.0182821 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 13163904 positive integers (up to 20182821) that are relatively prime to 20182821.
20182821 has 16 divisors, whose sum is 27499584
The reverse of 20182821 is 12828102
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred eighty-two thousand eight hundred twenty-one
Scientific notation
2.0182821 × 10^7
Engineering notation
2.0182821 × 10^6
Prime Factorization
3 × 157 × 73 × 587
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20182821
Product of the distinct prime numbers
The prime factorization of 20182821 is 3 × 157 × 73 × 587.
Since it has a total of 4 prime factors.
4 , 6 , 7 , 17 , 963 , 961 , 784 , 1850 , 68716 , 98260 , 80550 , 715300 , 3729410 , 4436192 , 58155850 , 98138982 , 619117313 , 591047778 , 233917718 , 4502163942
n×2
40365642
n×3
60548463
n×4
80731284
n×5
100914105
n÷2
10091410.5
n÷3
6727607
n÷3
5045705.25
n÷5
4036564.2
n2
407346263518041
n3
8.2213967216035E+21
n4
1.6593097840211E+29
n5
3.3489552354446E+36
2 √n
4492.5294656797
3 √n
272.26634180244
4 √n
67.026334120849
5 √n
28.906557456774
1 , 3 , 73 , 157 , 219 , 471 , 587 , 1761 , 11461 , 34383 , 42851 , 92159 , 128553 , 276477 , 6727607 , 20182821
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20182820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20182821 can be divided by 16 positive divisors.
The sum of these divisors (counting 20182821) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111111011100100101
3
Ternary
1101222101121220
4
Quaternary
1030333130211
5
Quinary
20131322241
6
Senary
2000330553
8
Octal
114773445
10
Decimal
20182821
12
Duodecimal
6913a59
16
Hexadecimal
133f725
20
Vigesimal
662h11
36
Base36
c0l5x
md5
638ef657358ca5d1590a6ff9c928468b
sha1
d3338024902306aca68eb4e88d6112e9f9bdecad
sha256
9f51499adcaa56fb83b02da76176d1b57e17c2c411673493c53dafa1803403fb
sha512
8da73e5260f76e0f7e4304f549ae214bfc6879c7119b73ce4dc0a0a2530437eb55a9277dccb379192df8bde1db1e46b79f7cd0492127b0ee756099e29a0ed204
ripemd-160
955385e4652fb5dc89522c95ccdb6cacd01f6f3f
Diameter
40365642
Circumference
126812404.36464
Area
1.2797160289355E+15
Volume
3.4437706057115E+22
Surface area
5.1188641157421E+15
Circumference
126812404.36464
Perimeter
80731284
Area
407346263518041
Diagonal
28542819.185149
Surface area
2444077581108246
Volume
8.2213967216035E+21
Space diagonal
34957671.412068
Perimeter
60548463
Area
1.7638610617165E+14
Altitude
17478835.706034
Surface area
1.7638610617165E+14
Volume
9.6890089544511E+20
Height
9514273.0617162