1021490 is an even 7-digits composite number following 1021489
and preceding 1021491 . In scientific notation, it is written as 1.021490 × 10^6.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 408592 positive integers (up to 1021490) that are relatively prime to 1021490.
1021490 has 8 divisors, whose sum is 1838700
The reverse of 1021490 is 0941201
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 17
Digital Root 8
Name
one million twenty-one thousand four hundred ninety
Scientific notation
1.021490 × 10^6
Engineering notation
1.021490 × 10^6
Prime Factorization
2 × 5 × 102149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1021490
Product of the distinct prime numbers
The prime factorization of 1021490 is 2 × 5 × 102149.
Since it has a total of 3 prime factors.
1 , 3 , 14 , 87 , 203 , 323 , 3871 , 1621 , 20385 , 50025 , 629818 , 82035 , 5815089 , 7723682 , 48490655 , 90058835 , 871379547 , 750247617 , 2941544228 , 6470575520
n×2
2042980
n×3
3064470
n×4
4085960
n×5
5107450
n÷2
510745
n÷3
340496.66666667
n÷3
255372.5
n÷5
204298
n2
1043441820100
n3
1065865384813949000
n4
1.0887708319336E+24
n5
1.1121685171119E+30
2 √n
1010.6878845618
3 √n
100.71126239724
4 √n
31.791317754409
5 √n
15.916472523906
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
-1021489
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 1021490 can be divided by 8 positive divisors.
The sum of these divisors (counting 1021490) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111001011000110010
3
Ternary
1220220012222
4
Quaternary
3321120302
5
Quinary
230141430
6
Senary
33521042
8
Octal
3713062
10
Decimal
1021490
12
Duodecimal
413182
16
Hexadecimal
f9632
20
Vigesimal
67dea
36
Base36
lw6q
md5
204d84a200e8f9eef87c74722c8e1517
sha1
b39989874e00c0929cb86c2a8350fc59cc62be72
sha256
e346c22166bf6a9508220b061a5ab61e70a9be182dba25a26bb6e4e75ea23249
sha512
bff747fa54ef58de6308e8fdda1861a79d735db7bb236a0d648503da72261f197a98ac3ae73cc98652e240391de935015480b414f23e272cc46564341ea50c58
ripemd-160
910e2310c1fc94f621b9fec2c4fc191a9125b11f
Diameter
2042980
Circumference
6418210.9594309
Area
3278069156474.5
Volume
4.4646864835295E+18
Surface area
13112276625898
Circumference
6418210.9594309
Perimeter
4085960
Area
1043441820100
Diagonal
1444605.0118285
Surface area
6260650920600
Volume
1065865384813949000
Space diagonal
1769272.5794235
Perimeter
3064470
Area
451823561788.84
Altitude
884636.28971177
Surface area
451823561788.84
Volume
1.2561344023899E+17
Height
481535.00394283