1221312 is an even 7-digits composite number following 1221311
and preceding 1221313 . In scientific notation, it is written as 1.221312 × 10^6.
The sum of its digits is 12. It has a total of 8 prime factors and 28 positive divisors.
There are 407040 positive integers (up to 1221312) that are relatively prime to 1221312.
1221312 has 28 divisors, whose sum is 3231896
The reverse of 1221312 is 2131221
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 12
Digital Root 3
Name
one million two hundred twenty-one thousand three hundred twelve
Scientific notation
1.221312 × 10^6
Engineering notation
1.221312 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 3 × 6361
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
38166
Product of the distinct prime numbers
The prime factorization of 1221312 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 6361.
Since it has a total of 8 prime factors.
3 , 10 , 24 , 25 , 662 , 545 , 8753 , 5286 , 8241 , 75316 , 343366 , 914447 , 371545 , 3656126 , 48751305 , 86881751 , 257096017 , 113921369 , 4867227478 , 2895505007
n×2
2442624
n×3
3663936
n×4
4885248
n×5
6106560
n÷2
610656
n÷3
407104
n÷3
305328
n÷5
244262.4
n2
1491603001344
n3
1821712644777443328
n4
2.2248795136184E+24
n5
2.7172720485364E+30
2 √n
1105.1298566232
3 √n
106.8912628718
4 √n
33.243493447939
5 √n
16.495493951173
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 64 , 96 , 192 , 6361 , 12722 , 19083 , 25444 , 38166 , 50888 , 76332 , 101776 , 152664 , 203552 , 305328 , 407104 , 610656 , 1221312
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1221311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1221312 can be divided by 28 positive divisors.
The sum of these divisors (counting 1221312) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100101010001011000000
3
Ternary
2022001022210
4
Quaternary
10222023000
5
Quinary
303040222
6
Senary
42102120
8
Octal
4521300
10
Decimal
1221312
12
Duodecimal
4aa940
16
Hexadecimal
12a2c0
20
Vigesimal
7cd5c
36
Base36
q6dc
md5
3e624282d4558b031c8e90f9298bd40b
sha1
0bec73eaa2163936b4a37db26baa2325486c31b0
sha256
17277d634366a566cafefaf276db64d8810bd847926ede6ee3c3fd5ec583214a
sha512
ef03f8983c4ad96c1be3f417708eef748e09930eb82c9ce8706069ae805e79d7203ef22b13e90a2d41e4be0a7438cd9b7e75c6429260261bcea93ecc830e25bc
ripemd-160
447687791ba2c71a36ba2ebda37e231c2f68e033
Diameter
2442624
Circumference
7673729.6138821
Area
4686009031094.8
Volume
7.6307720823793E+18
Surface area
18744036124379
Circumference
7673729.6138821
Perimeter
4885248
Area
1491603001344
Diagonal
1727195.994289
Surface area
8949618008064
Volume
1821712644777443328
Space diagonal
2115374.4358936
Perimeter
3663936
Area
645883045762.51
Altitude
1057687.2179468
Surface area
645883045762.51
Volume
2.1469089408257E+17
Height
575731.99809634