2015990 is an even 7-digits composite number following 2015989
and preceding 2015991 . In scientific notation, it is written as 2.015990 × 10^6.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 806392 positive integers (up to 2015990) that are relatively prime to 2015990.
2015990 has 8 divisors, whose sum is 3628800
The reverse of 2015990 is 0995102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 26
Digital Root 8
Name
two million fifteen thousand nine hundred ninety
Scientific notation
2.015990 × 10^6
Engineering notation
2.015990 × 10^6
Prime Factorization
2 × 5 × 201599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2015990
Product of the distinct prime numbers
The prime factorization of 2015990 is 2 × 5 × 201599.
Since it has a total of 3 prime factors.
7 , 1 , 47 , 19 , 563 , 819 , 7005 , 5777 , 90481 , 25533 , 347850 , 911010 , 3053738 , 7884326 , 84754065 , 79202314 , 524612120 , 307718531 , 5485598661 , 374063158
n×2
4031980
n×3
6047970
n×4
8063960
n×5
10079950
n÷2
1007995
n÷3
671996.66666667
n÷3
503997.5
n÷5
403198
n2
4064215680100
n3
8193418168924799000
n4
1.6517849094371E+25
n5
3.329981859576E+31
2 √n
1419.8556264635
3 √n
126.32698307846
4 √n
37.680971676212
5 √n
18.234660199559
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
-2015989
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 2015990 can be divided by 8 positive divisors.
The sum of these divisors (counting 2015990) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100001011110110
3
Ternary
10210102102022
4
Quaternary
13230023312
5
Quinary
1004002430
6
Senary
111113142
8
Octal
7541366
10
Decimal
2015990
12
Duodecimal
8127b2
16
Hexadecimal
1ec2f6
20
Vigesimal
cbjja
36
Base36
177jq
md5
30ac83499852730cf273d1caed9842a3
sha1
a8a13c58e109588358b0da5bfba60592123672dc
sha256
a1770117f3035ab8e361cf13b8b222d8805a3d18e3aef871f4b8cb1077395692
sha512
1574cc11a8fd3a2f56c6af5d1c578a048d4f5be1753e3de0e6ddf9d9590395e2d16556491394af6f79e80bfad597acda9a46dfb41b4413128d33aad2a75301ba
ripemd-160
125e9f755f7f21ae82b551ed57124a24243937ad
Diameter
4031980
Circumference
12666838.747421
Area
12768110123207
Volume
3.4320509769711E+19
Surface area
51072440492826
Circumference
12666838.747421
Perimeter
8063960
Area
4064215680100
Diagonal
2851040.3996085
Surface area
24385294080600
Volume
8193418168924799000
Space diagonal
3491797.1075508
Perimeter
6047970
Area
1759857012712.8
Altitude
1745898.5537754
Surface area
1759857012712.8
Volume
9.6560359139063E+17
Height
950346.79986951