1990286 is an even 7-digits composite number following 1990285
and preceding 1990287 . In scientific notation, it is written as 1.990286 × 10^6.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 990640 positive integers (up to 1990286) that are relatively prime to 1990286.
1990286 has 8 divisors, whose sum is 2998944
The reverse of 1990286 is 6820991
Previous prime number is 233
Is Prime? no
Number parity even
Number length 7
Sum of Digits 35
Digital Root 8
Name
one million nine hundred ninety thousand two hundred eighty-six
Scientific notation
1.990286 × 10^6
Engineering notation
1.990286 × 10^6
Prime Factorization
2 × 233 × 4271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990286
Product of the distinct prime numbers
The prime factorization of 1990286 is 2 × 233 × 4271.
Since it has a total of 3 prime factors.
4 , 1 , 81 , 70 , 669 , 409 , 3863 , 9363 , 15449 , 73139 , 172241 , 184277 , 271310 , 4856107 , 17822860 , 38768629 , 110437991 , 387970881 , 5281240550 , 8102377030
n×2
3980572
n×3
5970858
n×4
7961144
n×5
9951430
n÷2
995143
n÷3
663428.66666667
n÷3
497571.5
n÷5
398057.2
n2
3961238361796
n3
7883997254145513656
n4
1.5691409358964E+25
n5
3.1230392367416E+31
2 √n
1410.774964337
3 √n
125.78779263191
4 √n
37.560284401705
5 √n
18.187922610782
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
-1990285
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 1990286 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990286) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100101111010001110
3
Ternary
10202010011022
4
Quaternary
13211322032
5
Quinary
1002142121
6
Senary
110354142
8
Octal
7457216
10
Decimal
1990286
12
Duodecimal
7bb952
16
Hexadecimal
1e5e8e
20
Vigesimal
c8fe6
36
Base36
16npq
md5
17053426e1878cb08c6086015771795b
sha1
102738a3653731021921368acce86ba43bd3bdd4
sha256
381c9576dc558bf15270cf12864ff2608b60508455b30f26c356a5e540cd4e24
sha512
aa1346a4f77ada61c778b9da9fa295633dfd269b1038d34ab294f2fd49bd53b857ee42d8088904112ee8d762d07455b44b7cd1b96e799eed1ec7dcdd75fd7e61
ripemd-160
66f129903cd540a4a4f4cd058f5aa494c3395643
Diameter
3980572
Circumference
12505335.752285
Area
12444597336536
Volume
3.3024410472728E+19
Surface area
49778389346146
Circumference
12505335.752285
Perimeter
7961144
Area
3961238361796
Diagonal
2814689.4542013
Surface area
23767430170776
Volume
7883997254145513656
Space diagonal
3447276.473593
Perimeter
5970858
Area
1715266525880.4
Altitude
1723638.2367965
Surface area
1715266525880.4
Volume
9.2913798687707E+17
Height
938229.8180671