2021881 is an odd 7-digits composite number following 2021880
and preceding 2021882 . In scientific notation, it is written as 2.021881 × 10^6.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 1994112 positive integers (up to 2021881) that are relatively prime to 2021881.
2021881 has 4 divisors, whose sum is 2049652
The reverse of 2021881 is 1881202
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 22
Digital Root 4
Name
two million twenty-one thousand eight hundred eighty-one
Scientific notation
2.021881 × 10^6
Engineering notation
2.021881 × 10^6
Prime Factorization
73 × 27697
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2021881
Product of the distinct prime numbers
The prime factorization of 2021881 is 73 × 27697.
Since it has a total of 2 prime factors.
1 , 6 , 19 , 91 , 642 , 229 , 5548 , 414 , 64839 , 82405 , 606096 , 622213 , 3325010 , 9163832 , 25628844 , 3153879 , 154895516 , 58358418 , 5141037624 , 7580626670
n×2
4043762
n×3
6065643
n×4
8087524
n×5
10109405
n÷2
1010940.5
n÷3
673960.33333333
n÷3
505470.25
n÷5
404376.2
n2
4088002778161
n3
8265455145110940841
n4
1.6711766714252E+25
n5
3.3789203595979E+31
2 √n
1421.9286198681
3 √n
126.44991168995
4 √n
37.708468808321
5 √n
18.245304601969
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
-2021880
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 2021881 can be divided by 4 positive divisors.
The sum of these divisors (counting 2021881) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101100111111001
3
Ternary
10210201111111
4
Quaternary
13231213321
5
Quinary
1004200011
6
Senary
111200321
8
Octal
7554771
10
Decimal
2021881
12
Duodecimal
8160a1
16
Hexadecimal
1ed9f9
20
Vigesimal
ccee1
36
Base36
17c3d
md5
5ee2f6c287475f8d5cfdeb0f7b7ced2d
sha1
8dca9c90cea5340e30445081feca84c6da0282eb
sha256
64d57bc145b4dae7f8d0c88194f38afa35a7bce7bcc851cc2f9d5984dc740c6a
sha512
c43c9d951cc41e0817de3f4096032aa32d32f140d2cf671b8afa893e9cca778d877c5348121f41f618765c3264a1be04f8317692c74c1abc4f650120ea259573
ripemd-160
3720fe7334a9ae1bcf49a29ee579bc72efdcef72
Diameter
4043762
Circumference
12703852.992066
Area
12842839495725
Volume
3.4622257549942E+19
Surface area
51371357982901
Circumference
12703852.992066
Perimeter
8087524
Area
4088002778161
Diagonal
2859371.5317045
Surface area
24528016668966
Volume
8265455145110940841
Space diagonal
3502000.6188582
Perimeter
6065643
Area
1770157128314.4
Altitude
1751000.3094291
Surface area
1770157128314.4
Volume
9.740932304502E+17
Height
953123.84390149