2215809 is an odd 7-digits composite number following 2215808
and preceding 2215810 . In scientific notation, it is written as 2.215809 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 8 positive divisors.
There are 1477188 positive integers (up to 2215809) that are relatively prime to 2215809.
2215809 has 8 divisors, whose sum is 3282720
The reverse of 2215809 is 9085122
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
two million two hundred fifteen thousand eight hundred nine
Scientific notation
2.215809 × 10^6
Engineering notation
2.215809 × 10^6
Prime Factorization
3 × 3 × 3 × 82067
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
246201
Product of the distinct prime numbers
The prime factorization of 2215809 is 3 × 3 × 3 × 82067.
Since it has a total of 4 prime factors.
7 , 7 , 91 , 56 , 720 , 470 , 8723 , 4878 , 63483 , 71903 , 554143 , 94982 , 7585457 , 7089136 , 92163097 , 22276032 , 679985760 , 194509137 , 6897017393 , 9251106239
n×2
4431618
n×3
6647427
n×4
8863236
n×5
11079045
n÷2
1107904.5
n÷3
738603
n÷3
553952.25
n÷5
443161.8
n2
4909809524481
n3
1.0879200132631E+19
n4
2.4106229566684E+25
n5
5.3414800429925E+31
2 √n
1488.5593706668
3 √n
130.36993250203
4 √n
38.581852867207
5 √n
18.582599393273
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2215808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2215809 can be divided by 8 positive divisors.
The sum of these divisors (counting 2215809) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000011100111110000001
3
Ternary
11011120112000
4
Quaternary
20130332001
5
Quinary
1031401214
6
Senary
115254213
8
Octal
10347601
10
Decimal
2215809
12
Duodecimal
8aa369
16
Hexadecimal
21cf81
20
Vigesimal
dgja9
36
Base36
1bhq9
md5
388408798abcd4a0dde17d2470003e41
sha1
26985f61377e5df8b176c2ffbf2f43ff00ea878c
sha256
f9e546af3d0eb5d80b87933b83452510a29004ff68302e2d17af2ddc89ecf3ec
sha512
679d007a6d5a619f52e52689b2eb25811ee702a4d52142239bd1d3e2949cb077e723ba54f7272bb1ea36798cad74801f9521b0eb169016e293357d6561952576
ripemd-160
579ee191d442ba18c23a36a55a81856c7e8bbee4
Diameter
4431618
Circumference
13922338.552316
Area
15424621532635
Volume
4.5570686951474E+19
Surface area
61698486130539
Circumference
13922338.552316
Perimeter
8863236
Area
4909809524481
Diagonal
3133627.1394284
Surface area
29458857146886
Volume
1.0879200132631E+19
Space diagonal
3837893.7678684
Perimeter
6647427
Area
2126009887971.7
Altitude
1918946.8839342
Surface area
2126009887971.7
Volume
1.2821260312781E+18
Height
1044542.3798095