1990291 is an odd 7-digits composite number following 1990290
and preceding 1990292 . In scientific notation, it is written as 1.990291 × 10^6.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 1979992 positive integers (up to 1990291) that are relatively prime to 1990291.
1990291 has 4 divisors, whose sum is 2000592
The reverse of 1990291 is 1920991
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million nine hundred ninety thousand two hundred ninety-one
Scientific notation
1.990291 × 10^6
Engineering notation
1.990291 × 10^6
Prime Factorization
197 × 10103
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990291
Product of the distinct prime numbers
The prime factorization of 1990291 is 197 × 10103.
Since it has a total of 2 prime factors.
1 , 9 , 82 , 79 , 403 , 924 , 4277 , 8435 , 33611 , 17318 , 392469 , 166956 , 8700483 , 4993122 , 75977325 , 98377637 , 922549235 , 732179103 , 1654710586 , 2273973097
n×2
3980582
n×3
5970873
n×4
7961164
n×5
9951455
n÷2
995145.5
n÷3
663430.33333333
n÷3
497572.75
n÷5
398058.2
n2
3961258264681
n3
7884056672870212171
n4
1.5691567039504E+25
n5
3.1230784654621E+31
2 √n
1410.7767364115
3 √n
125.78789796659
4 √n
37.560307991436
5 √n
18.187931749119
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
-1990290
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 1990291 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990291) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100101111010010011
3
Ternary
10202010011111
4
Quaternary
13211322103
5
Quinary
1002142131
6
Senary
110354151
8
Octal
7457223
10
Decimal
1990291
12
Duodecimal
7bb957
16
Hexadecimal
1e5e93
20
Vigesimal
c8feb
36
Base36
16npv
md5
15a8c147419a6444becfb00aa229b2f2
sha1
a82a204d850f51913857e95a518198077eba7e91
sha256
03cfaea3294d3b52a16f754969e9e1d3069aadf2d9a1255e4d49287f49d5c384
sha512
e661d6b528f6292454d3da4799697fac04ce965a3787d483cd125d759c98411284eb62443ed06641fe0c5a17c5e89037acb1b2af9faeee95b2e7b635a0cda72b
ripemd-160
0ebc67f4b78087582d3f7f3f8f73b5c4dea54e5d
Diameter
3980582
Circumference
12505367.168212
Area
12444659863294
Volume
3.30246593653E+19
Surface area
49778639453175
Circumference
12505367.168212
Perimeter
7961164
Area
3961258264681
Diagonal
2814696.5252691
Surface area
23767549588086
Volume
7884056672870212171
Space diagonal
3447285.1338471
Perimeter
5970873
Area
1715275144082.4
Altitude
1723642.5669235
Surface area
1715275144082.4
Volume
9.2914498944093E+17
Height
938232.1750897