121212 is an even 6-digits composite number following 121211
and preceding 121213 . In scientific notation, it is written as 1.21212 × 10^5.
The sum of its digits is 9. It has a total of 5 prime factors and 24 positive divisors.
There are 31104 positive integers (up to 121212) that are relatively prime to 121212.
121212 has 24 divisors, whose sum is 244720
The reverse of 121212 is 212121
Previous prime number is 91
Is Prime? no
Number parity even
Number length 6
Sum of Digits 9
Digital Root 9
Name
one hundred twenty-one thousand two hundred twelve
Scientific notation
1.21212 × 10^5
Engineering notation
1.21212 × 10^3
Prime Factorization
2 × 2 × 9 × 91 × 37
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
60606
Product of the distinct prime numbers
The prime factorization of 121212 is 2 × 2 × 9 × 91 × 37.
Since it has a total of 5 prime factors.
9 , 5 , 21 , 68 , 645 , 946 , 7677 , 4491 , 36109 , 19399 , 951439 , 928477 , 4846606 , 6573039 , 28086929 , 47230018 , 732481386 , 166971861 , 2019074964 , 4390682847
n×2
242424
n×3
363636
n×4
484848
n×5
606060
n÷2
60606
n÷3
40404
n÷3
30303
n÷5
24242.4
n2
14692348944
n3
1780889000200128
n4
2.1586511749226E+20
n5
2.6165442621472E+25
2 √n
348.1551378337
3 √n
49.489743819403
4 √n
18.658915773262
5 √n
10.392238937223
1 , 2 , 4 , 9 , 18 , 36 , 37 , 74 , 91 , 148 , 182 , 333 , 364 , 666 , 819 , 1332 , 1638 , 3276 , 3367 , 6734 , 13468 , 30303 , 60606 , 121212
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
-121211
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 121212 can be divided by 24 positive divisors.
The sum of these divisors (counting 121212) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11101100101111100
3
Ternary
20011021100
4
Quaternary
131211330
5
Quinary
12334322
6
Senary
2333100
8
Octal
354574
10
Decimal
121212
12
Duodecimal
5a190
16
Hexadecimal
1d97c
20
Vigesimal
f30c
36
Base36
2lj0
md5
93279e3308bdbbeed946fc965017f67a
sha1
48058e0c99bf7d689ce71c360699a14ce2f99774
sha256
3ea87a56da3844b420ec2925ae922bc731ec16a4fc44dcbeafdad49b0e61d39c
sha512
c45a0a774bd38ffd4634ca52b568934686286911216a22d8b85df262e8acea07f190e9d4470fde92e67ccef462a849f24713b310c58ac992fba4bbae9b0b3a86
ripemd-160
310bba6e7452e5d3ef93a84020f360825fc690ed
Diameter
242424
Circumference
761597.45745385
Area
46157375506.448
Volume
7.4597703998501E+15
Surface area
184629502025.79
Circumference
761597.45745385
Perimeter
484848
Area
14692348944
Diagonal
171419.65432237
Surface area
88154093664
Volume
1780889000200128
Space diagonal
209945.34248704
Perimeter
363636
Area
6361973713.3847
Altitude
104972.67124352
Surface area
6361973713.3847
Volume
2.0987978143034E+14
Height
57139.884774123