1221804 is an even 7-digits composite number following 1221803
and preceding 1221805 . In scientific notation, it is written as 1.221804 × 10^6.
The sum of its digits is 18. It has a total of 6 prime factors and 24 positive divisors.
There are 406296 positive integers (up to 1221804) that are relatively prime to 1221804.
1221804 has 24 divisors, whose sum is 2410800
The reverse of 1221804 is 4081221
Previous prime number is 9
Is Prime? no
Number parity even
Number length 7
Sum of Digits 18
Digital Root 9
Name
one million two hundred twenty-one thousand eight hundred four
Scientific notation
1.221804 × 10^6
Engineering notation
1.221804 × 10^6
Prime Factorization
2 × 2 × 9 × 9 × 9 × 419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7542
Product of the distinct prime numbers
The prime factorization of 1221804 is 2 × 2 × 9 × 9 × 9 × 419.
Since it has a total of 6 prime factors.
9 , 2 , 24 , 71 , 755 , 959 , 4618 , 4267 , 43338 , 56673 , 222879 , 824855 , 6549106 , 3077250 , 99938677 , 63535 , 824644068 , 207826409 , 8431077188 , 3073732550
n×2
2443608
n×3
3665412
n×4
4887216
n×5
6109020
n÷2
610902
n÷3
407268
n÷3
305451
n÷5
244360.8
n2
1492805014416
n3
1823915137833526464
n4
2.2284668110656E+24
n5
2.7227496636271E+30
2 √n
1105.3524324848
3 √n
106.90561449829
4 √n
33.246840939926
5 √n
16.496822764053
1 , 2 , 4 , 9 , 18 , 36 , 81 , 162 , 324 , 419 , 729 , 838 , 1458 , 1676 , 2916 , 3771 , 7542 , 15084 , 33939 , 67878 , 135756 , 305451 , 610902 , 1221804
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1221803
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1221804 can be divided by 24 positive divisors.
The sum of these divisors (counting 1221804) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101010010010101100
3
Ternary
2022002000000
4
Quaternary
10222102230
5
Quinary
303044204
6
Senary
42104300
8
Octal
4522254
10
Decimal
1221804
12
Duodecimal
4ab090
16
Hexadecimal
12a4ac
20
Vigesimal
7cea4
36
Base36
q6r0
md5
76004fa93c07f99f91219bc3ae6316e1
sha1
edba2b8790efb72a55a81e92258cc423883ed693
sha256
45fd76b10b9524fe700f8885c6df8325f91bb7c1f11c40c016c8c4a001604ec5
sha512
e62463212559a8de5531fe31ded40fcafcc814f6364da20b2f183508a64b9011cb62d619f9323a31caab5fd8911611c99a9512ce1221c9a0906d1538940d49b7
ripemd-160
3643a3e2c49fe65535b0dbe40b3f6a46bd839a11
Diameter
2443608
Circumference
7676820.9410532
Area
4689785266531.3
Volume
7.6399978637187E+18
Surface area
18759141066125
Circumference
7676820.9410532
Perimeter
4887216
Area
1492805014416
Diagonal
1727891.7873617
Surface area
8956830086496
Volume
1823915137833526464
Space diagonal
2116226.6048909
Perimeter
3665412
Area
646403532690.53
Altitude
1058113.3024454
Surface area
646403532690.53
Volume
2.1495046037848E+17
Height
575963.92912057