1211221 is an odd 7-digits composite number following 1211220
and preceding 1211222 . In scientific notation, it is written as 1.211221 × 10^6.
The sum of its digits is 10. It has a total of 3 prime factors and 8 positive divisors.
There are 1092240 positive integers (up to 1211221) that are relatively prime to 1211221.
1211221 has 8 divisors, whose sum is 1332000
The reverse of 1211221 is 1221121
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 10
Digital Root 1
Name
one million two hundred eleven thousand two hundred twenty-one
Scientific notation
1.211221 × 10^6
Engineering notation
1.211221 × 10^6
Prime Factorization
11 × 149 × 739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1211221
Product of the distinct prime numbers
The prime factorization of 1211221 is 11 × 149 × 739.
Since it has a total of 3 prime factors.
8 , 4 , 21 , 71 , 587 , 876 , 1242 , 4565 , 81969 , 24163 , 543515 , 872847 , 9008607 , 7033577 , 4906234 , 38278641 , 957905476 , 972611942 , 6714331391 , 5976912706
n×2
2422442
n×3
3633663
n×4
4844884
n×5
6056105
n÷2
605610.5
n÷3
403740.33333333
n÷3
302805.25
n÷5
242244.2
n2
1467056310841
n3
1776929411873146861
n4
2.1522542191784E+24
n5
2.6068555076075E+30
2 √n
1100.5548600592
3 √n
106.59605461147
4 √n
33.174611679102
5 √n
16.468144853671
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
-1211220
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 1211221 can be divided by 8 positive divisors.
The sum of these divisors (counting 1211221) is 1, the average is 0.125.
Base
System
Value
2
Binary
100100111101101010101
3
Ternary
2021112111001
4
Quaternary
10213231111
5
Quinary
302224341
6
Senary
41543301
8
Octal
4475525
10
Decimal
1211221
12
Duodecimal
4a4b31
16
Hexadecimal
127b55
20
Vigesimal
7b811
36
Base36
pyl1
md5
b7cbabd15e0d06602f33c07318ad9536
sha1
c32032cc02115b297f2b1d5fcd41b4cd612ac020
sha256
7614878affec176b31436e0cc88b56c4b9f6e595ce9bfd2c48ac7e38b800efe6
sha512
d4783860593697261978a58a7feeb58e31c6732b19887b552cf32cb4e5c3fe48c54dd93bd61f763b2a4b9de03c6ca2d418d75735592c8f326f7c862025ecfc03
ripemd-160
3def3b98795d3a9fd3e8c4af29f7f95578fa01db
Diameter
2422442
Circumference
7610325.9909474
Area
4608893328540.6
Volume
7.4431845150511E+18
Surface area
18435573314163
Circumference
7610325.9909474
Perimeter
4844884
Area
1467056310841
Diagonal
1712925.1652311
Surface area
8802337865046
Volume
1776929411873146861
Space diagonal
2097896.3111944
Perimeter
3633663
Area
635254016985.29
Altitude
1048948.1555972
Surface area
635254016985.29
Volume
2.0941313947089E+17
Height
570975.05507703