2021872 is an even 7-digits composite number following 2021871
and preceding 2021873 . In scientific notation, it is written as 2.021872 × 10^6.
The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors.
There are 1000640 positive integers (up to 2021872) that are relatively prime to 2021872.
2021872 has 20 divisors, whose sum is 3957336
The reverse of 2021872 is 2781202
Previous prime number is 107
Is Prime? no
Number parity even
Number length 7
Sum of Digits 22
Digital Root 4
Name
two million twenty-one thousand eight hundred seventy-two
Scientific notation
2.021872 × 10^6
Engineering notation
2.021872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 107 × 1181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
252734
Product of the distinct prime numbers
The prime factorization of 2021872 is 2 × 2 × 2 × 2 × 107 × 1181.
Since it has a total of 6 prime factors.
1 , 10 , 20 , 78 , 245 , 232 , 9451 , 639 , 51834 , 25619 , 529060 , 733616 , 6258395 , 6660323 , 59854925 , 13963946 , 409277399 , 729825260 , 4363947187 , 5368346955
n×2
4043744
n×3
6065616
n×4
8087488
n×5
10109360
n÷2
1010936
n÷3
673957.33333333
n÷3
505468
n÷5
404374.4
n2
4087966384384
n3
8265344769527246848
n4
1.6711469159854E+25
n5
3.3788451573172E+31
2 √n
1421.9254551488
3 √n
126.44972406748
4 √n
37.708426845319
5 √n
18.245288358873
1 , 2 , 4 , 8 , 16 , 107 , 214 , 428 , 856 , 1181 , 1712 , 2362 , 4724 , 9448 , 18896 , 126367 , 252734 , 505468 , 1010936 , 2021872
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2021871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021872 can be divided by 20 positive divisors.
The sum of these divisors (counting 2021872) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101101100111110000
3
Ternary
10210201111011
4
Quaternary
13231213300
5
Quinary
1004144442
6
Senary
111200304
8
Octal
7554760
10
Decimal
2021872
12
Duodecimal
816094
16
Hexadecimal
1ed9f0
20
Vigesimal
ccedc
36
Base36
17c34
md5
c88b743700ea3035b5c62264f20931b9
sha1
7b6c60b0044a7abd623709da8bdcdbc6daee3040
sha256
ed6b2a7218af1147e955206402fafa6a53075f0c7dfde501e3890bc34b201a4c
sha512
c03d932a91d4f90b001d2597c57798821bc0795f74f76251395447569b8ee35cd59f26b1160a74a1c08ae98c1dfef79719e20cb48cb23acf2264507fb0ecc0fe
ripemd-160
e0c2cedcf0131d89944e2d270f575d76b001908a
Diameter
4043744
Circumference
12703796.443398
Area
12842725161303
Volume
3.4621795209778E+19
Surface area
51370900645211
Circumference
12703796.443398
Perimeter
8087488
Area
4087966384384
Diagonal
2859358.8037824
Surface area
24527798306304
Volume
8265344769527246848
Space diagonal
3501985.0304009
Perimeter
6065616
Area
1770141369346.7
Altitude
1750992.5152005
Surface area
1770141369346.7
Volume
9.7408022256291E+17
Height
953119.6012608