221212 is an even 6-digits composite number following 221211
and preceding 221213 . In scientific notation, it is written as 2.21212 × 10^5.
The sum of its digits is 10. It has a total of 4 prime factors and 12 positive divisors.
There are 106736 positive integers (up to 221212) that are relatively prime to 221212.
221212 has 12 divisors, whose sum is 400680
The reverse of 221212 is 212122
Previous prime number is 29
Is Prime? no
Number parity even
Number length 6
Sum of Digits 10
Digital Root 1
Name
two hundred twenty-one thousand two hundred twelve
Scientific notation
2.21212 × 10^5
Engineering notation
2.21212 × 10^3
Prime Factorization
2 × 2 × 29 × 1907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
110606
Product of the distinct prime numbers
The prime factorization of 221212 is 2 × 2 × 29 × 1907.
Since it has a total of 4 prime factors.
2 , 9 , 5 , 53 , 13 , 869 , 2356 , 7039 , 22132 , 67684 , 678516 , 105429 , 9825639 , 5831895 , 97796249 , 74555638 , 77796641 , 674773820 , 6939203611 , 5572960131
n×2
442424
n×3
663636
n×4
884848
n×5
1106060
n÷2
110606
n÷3
73737.333333333
n÷3
55303
n÷5
44242.4
n2
48934748944
n3
10824953683400128
n4
2.3946096542123E+21
n5
5.2971639082761E+26
2 √n
470.33179777685
3 √n
60.4787622107
4 √n
21.687134383704
5 √n
11.720920937437
1 , 2 , 4 , 29 , 58 , 116 , 1907 , 3814 , 7628 , 55303 , 110606 , 221212
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221212 can be divided by 12 positive divisors.
The sum of these divisors (counting 221212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110110000000011100
3
Ternary
102020110001
4
Quaternary
312000130
5
Quinary
24034322
6
Senary
4424044
8
Octal
660034
10
Decimal
221212
12
Duodecimal
a8024
16
Hexadecimal
3601c
20
Vigesimal
17d0c
36
Base36
4qos
md5
5faf255d9a87062c9fe3d53e88ba4da7
sha1
779c109fac3247921c19d83951d7b2efd45af61a
sha256
57d57e0d1d9aa90009e8ea6c1b65d315e31cebef6ee37a83256629c404e0c3ee
sha512
8c010c967aa19da0ee8db6e075067a6eda393aa24f75d75e5b11434d1e9bd3c4fada60a2564d6629009731bc6e7f7cd1bd9cbd051498af56a76601fac0471fae
ripemd-160
b277688c87f9b21fe7ca762ff1931660d2a383ec
Diameter
442424
Circumference
1389915.9881718
Area
153733047787.73
Volume
4.5343459956293E+16
Surface area
614932191150.93
Circumference
1389915.9881718
Perimeter
884848
Area
48934748944
Diagonal
312841.01055968
Surface area
293608493664
Volume
10824953683400128
Space diagonal
383150.42324393
Perimeter
663636
Area
21189367856.659
Altitude
191575.21162196
Surface area
21189367856.659
Volume
1.2757330259271E+15
Height
104280.33685323