2215581 is an odd 7-digits composite number following 2215580
and preceding 2215582 . In scientific notation, it is written as 2.215581 × 10^6.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 1452720 positive integers (up to 2215581) that are relatively prime to 2215581.
2215581 has 8 divisors, whose sum is 3002784
The reverse of 2215581 is 1855122
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 24
Digital Root 6
Name
two million two hundred fifteen thousand five hundred eighty-one
Scientific notation
2.215581 × 10^6
Engineering notation
2.215581 × 10^6
Prime Factorization
3 × 61 × 12107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2215581
Product of the distinct prime numbers
The prime factorization of 2215581 is 3 × 61 × 12107.
Since it has a total of 3 prime factors.
10 , 8 , 34 , 58 , 403 , 849 , 6303 , 9966 , 78202 , 79588 , 786702 , 120138 , 4059044 , 6520918 , 10433159 , 93722609 , 125841454 , 628231834 , 881799467 , 6690876170
n×2
4431162
n×3
6646743
n×4
8862324
n×5
11077905
n÷2
1107790.5
n÷3
738527
n÷3
553895.25
n÷5
443116.2
n2
4908799167561
n3
1.0875842168464E+19
n4
2.4096309267448E+25
n5
5.3387324983081E+31
2 √n
1488.482784583
3 √n
130.36546079227
4 √n
38.580860340109
5 √n
18.582216958951
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
-2215580
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 2215581 can be divided by 8 positive divisors.
The sum of these divisors (counting 2215581) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000011100111010011101
3
Ternary
11011120012120
4
Quaternary
20130322131
5
Quinary
1031344311
6
Senary
115253153
8
Octal
10347235
10
Decimal
2215581
12
Duodecimal
8aa1b9
16
Hexadecimal
21ce9d
20
Vigesimal
dgij1
36
Base36
1bhjx
md5
49c0bf550e0aece2fd8c2b36c92359ea
sha1
e56a3681ba885dccf3ad6ed6fbd4db461fc4877e
sha256
9d7438c68d8decf9c8cff368925b42b13010a52361688c58b6d126589f07e651
sha512
cda0dde5b25751457d9b835bbc4f2eb5ff88b729f29e4adcf894ed0bc2d74236b0425991501fc4deead4b0ae01834f7cc118feb22c61046cf69e728d70eea72a
ripemd-160
70f38dcb0c3d1372736b015aa0587ce9873b4e9a
Diameter
4431162
Circumference
13920905.986066
Area
15421447402757
Volume
4.5556621144065E+19
Surface area
61685789611029
Circumference
13920905.986066
Perimeter
8862324
Area
4908799167561
Diagonal
3133304.6987361
Surface area
29452795005366
Volume
1.0875842168464E+19
Space diagonal
3837498.8602843
Perimeter
6646743
Area
2125572390591.9
Altitude
1918749.4301421
Surface area
2125572390591.9
Volume
1.2817302914059E+18
Height
1044434.8995787