2021813 is an odd 7-digits composite number following 2021812
and preceding 2021814 . In scientific notation, it is written as 2.021813 × 10^6.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 1999008 positive integers (up to 2021813) that are relatively prime to 2021813.
2021813 has 4 divisors, whose sum is 2044620
The reverse of 2021813 is 3181202
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 17
Digital Root 8
Name
two million twenty-one thousand eight hundred thirteen
Scientific notation
2.021813 × 10^6
Engineering notation
2.021813 × 10^6
Prime Factorization
89 × 22717
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2021813
Product of the distinct prime numbers
The prime factorization of 2021813 is 89 × 22717.
Since it has a total of 2 prime factors.
9 , 3 , 15 , 93 , 336 , 184 , 6812 , 3630 , 11135 , 91129 , 198218 , 168565 , 5610677 , 1801483 , 99433136 , 68409605 , 287521852 , 870304560 , 3642646774 , 8415768726
n×2
4043626
n×3
6065439
n×4
8087252
n×5
10109065
n÷2
1010906.5
n÷3
673937.66666667
n÷3
505453.25
n÷5
404362.6
n2
4087727806969
n3
8264621220591414797
n4
1.6709518623868E+25
n5
3.3783521977478E+31
2 √n
1421.9047084808
3 √n
126.4484940842
4 √n
37.708151751058
5 √n
18.245181874924
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
-2021812
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 2021813 can be divided by 4 positive divisors.
The sum of these divisors (counting 2021813) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101100110110101
3
Ternary
10210201101222
4
Quaternary
13231212311
5
Quinary
1004144223
6
Senary
111200125
8
Octal
7554665
10
Decimal
2021813
12
Duodecimal
816045
16
Hexadecimal
1ed9b5
20
Vigesimal
ccead
36
Base36
17c1h
md5
f8d9d24b35622e33f035de6ed22b081f
sha1
a9791563b536fd037f255ff37dd65c7cf8481858
sha256
1c23700d960ef21e5ecdb2b6a23be24e0d34c0183324514a32af170277871dcf
sha512
51d0077cbbe0937cf891c83bca332ce265c98aff359284eb4fdd8e66872bb597f061d2d6981861b38857dbbf45fe5600489a1cbde5e5299150d7943f2c6c92d1
ripemd-160
c08dc6fad73be616dfa5058158d4da6e648215f5
Diameter
4043626
Circumference
12703425.735465
Area
12841975648249
Volume
3.4618764415083E+19
Surface area
51367902592994
Circumference
12703425.735465
Perimeter
8087252
Area
4087727806969
Diagonal
2859275.3651822
Surface area
24526366841814
Volume
8264621220591414797
Space diagonal
3501882.8394033
Perimeter
6065439
Area
1770038062295.6
Altitude
1750941.4197016
Surface area
1770038062295.6
Volume
9.7399495150307E+17
Height
953091.78839408