2001809 is an odd 7-digits prime number following 2001808
and preceding 2001810 . In scientific notation, it is written as 2.001809 × 10^6.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 2001808 positive integers (up to 2001809) that are relatively prime to 2001809.
2001809 has 2 divisors, whose sum is 2001810
The reverse of 2001809 is 9081002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 20
Digital Root 2
Name
two million one thousand eight hundred nine
Scientific notation
2.001809 × 10^6
Engineering notation
2.001809 × 10^6
Prime Factorization
2001809
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2001809
Product of the distinct prime numbers
The prime factorization of 2001809 is 2001809.
Since it has a total of 1 prime factors.
10 , 7 , 60 , 25 , 767 , 80 , 2620 , 7635 , 97013 , 91739 , 672463 , 312771 , 1240586 , 1564668 , 24996017 , 48839239 , 50330753 , 141449132 , 7278788447 , 6658382388
n×2
4003618
n×3
6005427
n×4
8007236
n×5
10009045
n÷2
1000904.5
n÷3
667269.66666667
n÷3
500452.25
n÷5
400361.8
n2
4007239272481
n3
8021727640805918129
n4
1.6057966586914E+25
n5
3.2144982035384E+31
2 √n
1414.8529958975
3 √n
126.03008016193
4 √n
37.614531711793
5 √n
18.208934239998
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2001810
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1000905
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1414.853349291
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999990009042
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2001809 can be divided by 2 positive divisors.
The sum of these divisors (counting 2001809) is 2001810, the average is 1000905.
Base
System
Value
2
Binary
111101000101110010001
3
Ternary
10202200222002
4
Quaternary
13220232101
5
Quinary
1003024214
6
Senary
110523345
8
Octal
7505621
10
Decimal
2001809
12
Duodecimal
806555
16
Hexadecimal
1e8b91
20
Vigesimal
ca4a9
36
Base36
16wlt
md5
8407bf4c535d9ccc97ea4e8b1fb5cb63
sha1
231dbf64fc5fb08458495cd6586dc23c49ec6178
sha256
799996750776827b651efa8d88e2b3bd9dfe2392ab21b4154ed628d2d25af22a
sha512
f34536e63cfcc56c583ca7b479294d57677d0be977db53add57db7936caa034320d29f76164be36755d7bde8eb09ff66e76897f75f1775af8ec5b9e47a9d42ec
ripemd-160
258c13ba235ec2f23199f1f33ae1a1a78ff10661
Diameter
4003618
Circumference
12577736.89658
Area
12589113459603
Volume
3.3601334167272E+19
Surface area
50356453838411
Circumference
12577736.89658
Perimeter
8007236
Area
4007239272481
Diagonal
2830985.4370805
Surface area
24043435634886
Volume
8021727640805918129
Space diagonal
3467234.8950486
Perimeter
6005427
Area
1735185504505.6
Altitude
1733617.4475243
Surface area
1735185504505.6
Volume
9.4536966860757E+17
Height
943661.81236017