1231490 is an even 7-digits composite number following 1231489
and preceding 1231491 . In scientific notation, it is written as 1.231490 × 10^6.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 454656 positive integers (up to 1231490) that are relatively prime to 1231490.
1231490 has 16 divisors, whose sum is 2387448
The reverse of 1231490 is 0941321
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 20
Digital Root 2
Name
one million two hundred thirty-one thousand four hundred ninety
Scientific notation
1.231490 × 10^6
Engineering notation
1.231490 × 10^6
Prime Factorization
2 × 13 × 5 × 9473
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1231490
Product of the distinct prime numbers
The prime factorization of 1231490 is 2 × 13 × 5 × 9473.
Since it has a total of 4 prime factors.
3 , 9 , 56 , 83 , 999 , 270 , 9342 , 1507 , 45144 , 48664 , 308851 , 878568 , 2475404 , 1367088 , 36273779 , 57330494 , 135144464 , 312019447 , 8585780076 , 8655324102
n×2
2462980
n×3
3694470
n×4
4925960
n×5
6157450
n÷2
615745
n÷3
410496.66666667
n÷3
307872.5
n÷5
246298
n2
1516567620100
n3
1867637858476949000
n4
2.2999773463358E+24
n5
2.832399102239E+30
2 √n
1109.7251912073
3 √n
107.18737367069
4 √n
33.312538048117
5 √n
16.522896328371
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 9473 , 18946 , 47365 , 94730 , 123149 , 246298 , 615745 , 1231490
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1231489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1231490 can be divided by 16 positive divisors.
The sum of these divisors (counting 1231490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100101010000010
3
Ternary
2022120021202
4
Quaternary
10230222002
5
Quinary
303401430
6
Senary
42221202
8
Octal
4545202
10
Decimal
1231490
12
Duodecimal
4b4802
16
Hexadecimal
12ca82
20
Vigesimal
7diea
36
Base36
qe82
md5
b7adadee3046085770b06900fefeb413
sha1
10d612165b0dd14d8e46123539347297e2d10579
sha256
59be796ae37719dca511389a0b3369b3d809bfd20c640dff97e1aadfa072548d
sha512
7bb46b47399a8335035c878b38d9d29b167d0afedca6df5bf69744372564ff401f77ca04178e4deef956dab7c70f4804728d9d11ef5920c65bda2c2c7abd29e0
ripemd-160
60347cbfecb0d68277fa18ba834b25e5c5f0305d
Diameter
2462980
Circumference
7737679.8739386
Area
4764437693978.3
Volume
7.8231431676765E+18
Surface area
19057750775913
Circumference
7737679.8739386
Perimeter
4925960
Area
1516567620100
Diagonal
1741589.8599268
Surface area
9099405720600
Volume
1867637858476949000
Space diagonal
2133003.249013
Perimeter
3694470
Area
656693042781.75
Altitude
1066501.6245065
Surface area
656693042781.75
Volume
2.2010323242163E+17
Height
580529.95330895