1990654 is an even 7-digits composite number following 1990653
and preceding 1990655 . In scientific notation, it is written as 1.990654 × 10^6.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 995326 positive integers (up to 1990654) that are relatively prime to 1990654.
1990654 has 4 divisors, whose sum is 2985984
The reverse of 1990654 is 4560991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 34
Digital Root 7
Name
one million nine hundred ninety thousand six hundred fifty-four
Scientific notation
1.990654 × 10^6
Engineering notation
1.990654 × 10^6
Prime Factorization
2 × 995327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990654
Product of the distinct prime numbers
The prime factorization of 1990654 is 2 × 995327.
Since it has a total of 2 prime factors.
9 , 7 , 12 , 56 , 169 , 257 , 1053 , 8047 , 29026 , 66062 , 944839 , 326922 , 9040216 , 6652684 , 56945635 , 90828144 , 96597 , 1639995 , 4615609505 , 8930816203
n×2
3981308
n×3
5971962
n×4
7962616
n×5
9953270
n÷2
995327
n÷3
663551.33333333
n÷3
497663.5
n÷5
398130.8
n2
3962703347716
n3
7888371269944246264
n4
1.5703017822E+25
n5
3.1259275239435E+31
2 √n
1410.9053830785
3 √n
125.79554479333
4 √n
37.562020487169
5 √n
18.188595143328
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
-1990653
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 1990654 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990654) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100101111111111110
3
Ternary
10202010122221
4
Quaternary
13211333332
5
Quinary
1002200104
6
Senary
110355554
8
Octal
7457776
10
Decimal
1990654
12
Duodecimal
7bbbba
16
Hexadecimal
1e5ffe
20
Vigesimal
c8gce
36
Base36
16nzy
md5
3f8ab8d2b77c69ea891c61763df6b42b
sha1
048630c89fa9c12172cfb2899b499c52b6e2f824
sha256
a2a5fcb4316421f5527c1eaeee6825cec30174316085060c7f2ef60982759bff
sha512
0fd962368b17fd04b1930682a575876cb2e079984097f938cae687e5c318ea4fe5c0a452225b1bdeb0f3469123f2ea81f43961d0fb5261f0d0a49c75aab7ca6e
ripemd-160
6ac405703c53831d96978b42fc1555ed4a0c2a58
Diameter
3981308
Circumference
12507647.964478
Area
12449199725540
Volume
3.3042732307261E+19
Surface area
49796798902161
Circumference
12507647.964478
Perimeter
7962616
Area
3962703347716
Diagonal
2815209.8847923
Surface area
23776220086296
Volume
7888371269944246264
Space diagonal
3447913.8682902
Perimeter
5971962
Area
1715900883391.8
Altitude
1723956.9341451
Surface area
1715900883391.8
Volume
9.2965346958245E+17
Height
938403.29493075