2215985 is an odd 7-digits composite number following 2215984
and preceding 2215986 . In scientific notation, it is written as 2.215985 × 10^6.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 1761264 positive integers (up to 2215985) that are relatively prime to 2215985.
2215985 has 8 divisors, whose sum is 2676480
The reverse of 2215985 is 5895122
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 32
Digital Root 5
Name
two million two hundred fifteen thousand nine hundred eighty-five
Scientific notation
2.215985 × 10^6
Engineering notation
2.215985 × 10^6
Prime Factorization
163 × 5 × 2719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2215985
Product of the distinct prime numbers
The prime factorization of 2215985 is 163 × 5 × 2719.
Since it has a total of 3 prime factors.
9 , 5 , 73 , 7 , 619 , 416 , 9643 , 2510 , 45372 , 39963 , 704979 , 60067 , 2831094 , 4994005 , 99375085 , 12821617 , 750630781 , 21210541 , 5134393344 , 4732491724
n×2
4431970
n×3
6647955
n×4
8863940
n×5
11079925
n÷2
1107992.5
n÷3
738661.66666667
n÷3
553996.25
n÷5
443197
n2
4910589520225
n3
1.0881792717976E+19
n4
2.4113889436144E+25
n5
5.3436017282153E+31
2 √n
1488.6184870544
3 √n
130.37338413838
4 √n
38.582618976093
5 √n
18.582894584202
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
-2215984
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 2215985 can be divided by 8 positive divisors.
The sum of these divisors (counting 2215985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000011101000000110001
3
Ternary
11011120202112
4
Quaternary
20131000301
5
Quinary
1031402420
6
Senary
115255105
8
Octal
10350061
10
Decimal
2215985
12
Duodecimal
8aa495
16
Hexadecimal
21d031
20
Vigesimal
dgjj5
36
Base36
1bhv5
md5
078b6e0d3b1ff661d725ed9d6731b2e6
sha1
d83ef7a96836522fc643f52cb907b2c36507da5a
sha256
2a944badeaaa1cdd84dccd0cc11bd0fc9acb121b9bd58a95e5b52c7fab7505b7
sha512
6f10e2ec177e0b862937e47967b34ac4d0a84ac356e95e82c2d458949899950bf8a670bdca1921b804aff0303abfd430c1440304ef4b3286d81d02e4469a8d63
ripemd-160
233434ed60856a21db2e230e74a6e757dd9cbda4
Diameter
4431970
Circumference
13923444.39293
Area
15427071961534
Volume
4.5581546747573E+19
Surface area
61708287846136
Circumference
13923444.39293
Perimeter
8863940
Area
4910589520225
Diagonal
3133876.0410153
Surface area
29463537121350
Volume
1.0881792717976E+19
Space diagonal
3838198.6088105
Perimeter
6647955
Area
2126347636036.2
Altitude
1919099.3044053
Surface area
2126347636036.2
Volume
1.2824315703912E+18
Height
1044625.3470051