2215689 is an odd 7-digits composite number following 2215688
and preceding 2215690 . In scientific notation, it is written as 2.215689 × 10^6.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 1266096 positive integers (up to 2215689) that are relatively prime to 2215689.
2215689 has 4 divisors, whose sum is 2321220
The reverse of 2215689 is 9865122
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 33
Digital Root 6
Name
two million two hundred fifteen thousand six hundred eighty-nine
Scientific notation
2.215689 × 10^6
Engineering notation
2.215689 × 10^6
Prime Factorization
21 × 105509
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2215689
Product of the distinct prime numbers
The prime factorization of 2215689 is 21 × 105509.
Since it has a total of 2 prime factors.
10 , 2 , 10 , 98 , 291 , 446 , 6059 , 2067 , 14559 , 75981 , 81036 , 82385 , 3011133 , 3679389 , 56431533 , 46687303 , 59029691 , 113657675 , 3746164587 , 6486570106
n×2
4431378
n×3
6647067
n×4
8862756
n×5
11078445
n÷2
1107844.5
n÷3
738563
n÷3
553922.25
n÷5
443137.8
n2
4909277744721
n3
1.0877432696923E+19
n4
2.4101007974813E+25
n5
5.3400338258705E+31
2 √n
1488.5190626928
3 √n
130.36757900882
4 √n
38.581330494073
5 √n
18.582398115975
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
-2215688
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 2215689 can be divided by 4 positive divisors.
The sum of these divisors (counting 2215689) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000011100111100001001
3
Ternary
11011120100120
4
Quaternary
20130330021
5
Quinary
1031400224
6
Senary
115253453
8
Octal
10347411
10
Decimal
2215689
12
Duodecimal
8aa289
16
Hexadecimal
21cf09
20
Vigesimal
dgj49
36
Base36
1bhmx
md5
763873bd804909c72e5b2248047c3863
sha1
67f95afab481e7651baccdee242502324ba9cb1a
sha256
68dbbf1833a973ee85139dd5e9407a0d130935880f2ad71cbf632ce734834437
sha512
7948cf8832d39e14fd50a49b1768c9188298373a86a7f6cd2dfd8cd9574af699b976dabeaa358dc30f96a71400f073071fcc1d127c82c72ea6ef758a4eaaef36
ripemd-160
31e0d2e0bbbc53544f3c3bf1bfcd1171a6e58a41
Diameter
4431378
Circumference
13921584.570079
Area
15422950897247
Volume
4.5563283534095E+19
Surface area
61691803588989
Circumference
13921584.570079
Perimeter
8862756
Area
4909277744721
Diagonal
3133457.4338009
Surface area
29455666468326
Volume
1.0877432696923E+19
Space diagonal
3837685.9217715
Perimeter
6647067
Area
2125779620581
Altitude
1918842.9608857
Surface area
2125779620581
Volume
1.2819177369824E+18
Height
1044485.811267