2021864 is an even 7-digits composite number following 2021863
and preceding 2021865 . In scientific notation, it is written as 2.021864 × 10^6.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 933120 positive integers (up to 2021864) that are relatively prime to 2021864.
2021864 has 16 divisors, whose sum is 4082820
The reverse of 2021864 is 4681202
Previous prime number is 13
Is Prime? no
Number parity even
Number length 7
Sum of Digits 23
Digital Root 5
Name
two million twenty-one thousand eight hundred sixty-four
Scientific notation
2.021864 × 10^6
Engineering notation
2.021864 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 19441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
505466
Product of the distinct prime numbers
The prime factorization of 2021864 is 2 × 2 × 2 × 13 × 19441.
Since it has a total of 5 prime factors.
6 , 4 , 32 , 66 , 200 , 831 , 9863 , 6567 , 10424 , 63889 , 339431 , 153522 , 7889286 , 9763935 , 86707610 , 29237161 , 795040173 , 299586845 , 2299775552 , 7618799331
n×2
4043728
n×3
6065592
n×4
8087456
n×5
10109320
n÷2
1010932
n÷3
673954.66666667
n÷3
505466
n÷5
404372.8
n2
4087934034496
n3
8265246658722220544
n4
1.6711204670391E+25
n5
3.3787783119695E+31
2 √n
1421.922642059
3 √n
126.44955729149
4 √n
37.708389544755
5 √n
18.245273920517
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 19441 , 38882 , 77764 , 155528 , 252733 , 505466 , 1010932 , 2021864
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
-2021863
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 2021864 can be divided by 16 positive divisors.
The sum of these divisors (counting 2021864) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101100111101000
3
Ternary
10210201110212
4
Quaternary
13231213220
5
Quinary
1004144424
6
Senary
111200252
8
Octal
7554750
10
Decimal
2021864
12
Duodecimal
816088
16
Hexadecimal
1ed9e8
20
Vigesimal
cced4
36
Base36
17c2w
md5
336b4455f7d737db17e9c5019a024ceb
sha1
5b1671190c0e336cfe9979c006aa9cf9a53d0740
sha256
08d1ceadc79a2c971ab5bc303ab5ee659d866af58cea7c9496b490f65ecd69cc
sha512
8db4f90fdd4c9504ae6f22aadb5edb6602296e2f9868ae112683017e7cededfae40862d9a1a4314f3ac08aaef17c9d1186c46e894766d547d2ca30673ecdd237
ripemd-160
1bbf28d828eba5e58efcce6a42010bacc794deae
Diameter
4043728
Circumference
12703746.177915
Area
12842623531132
Volume
3.4621384244199E+19
Surface area
51370494124529
Circumference
12703746.177915
Perimeter
8087456
Area
4087934034496
Diagonal
2859347.4900739
Surface area
24527604206976
Volume
8265246658722220544
Space diagonal
3501971.1739944
Perimeter
6065592
Area
1770127361434.3
Altitude
1750985.5869972
Surface area
1770127361434.3
Volume
9.7406866009366E+17
Height
953115.83002464