212421 is an odd 6-digits composite number following 212420
and preceding 212422 . In scientific notation, it is written as 2.12421 × 10^5.
The sum of its digits is 12. It has a total of 4 prime factors and 16 positive divisors.
There are 124800 positive integers (up to 212421) that are relatively prime to 212421.
212421 has 16 divisors, whose sum is 318528
The reverse of 212421 is 124212
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 12
Digital Root 3
Name
two hundred twelve thousand four hundred twenty-one
Scientific notation
2.12421 × 10^5
Engineering notation
2.12421 × 10^3
Prime Factorization
3 × 11 × 41 × 157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
212421
Product of the distinct prime numbers
The prime factorization of 212421 is 3 × 11 × 41 × 157.
Since it has a total of 4 prime factors.
7 , 6 , 37 , 84 , 197 , 370 , 2529 , 1103 , 80993 , 68103 , 148389 , 308847 , 8865007 , 7956828 , 33310096 , 84366336 , 26495442 , 721238023 , 3670495281 , 3500723297
n×2
424842
n×3
637263
n×4
849684
n×5
1062105
n÷2
106210.5
n÷3
70807
n÷3
53105.25
n÷5
42484.2
n2
45122681241
n3
9585005071894461
n4
2.0360563623769E+21
n5
4.3250112855246E+26
2 √n
460.89152736843
3 √n
59.666763764324
4 √n
21.468384367912
5 √n
11.626245513771
1 , 3 , 11 , 33 , 41 , 123 , 157 , 451 , 471 , 1353 , 1727 , 5181 , 6437 , 19311 , 70807 , 212421
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-212420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 212421 can be divided by 16 positive divisors.
The sum of these divisors (counting 212421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110011110111000101
3
Ternary
101210101110
4
Quaternary
303313011
5
Quinary
23244141
6
Senary
4315233
8
Octal
636705
10
Decimal
212421
12
Duodecimal
a2b19
16
Hexadecimal
33dc5
20
Vigesimal
16b11
36
Base36
4jwl
md5
2d97038cf214e68c88e2af219fa399cb
sha1
411251409187866c0f2055359b19af1e18edba8c
sha256
8bd647b97eacf0af3ad9c29fe6b29410af8b3b25478db973e7a83e16c54810cc
sha512
eff73af59f5b50c9a1c9e68d7f9a234d28e4f829800d8532612c6ad58d21f8f21b1cafbf60a70f20addc88a029ad9e750cc464441b943da18672eee56cac9982
ripemd-160
2d2437fe0caa7487c6dc45c635811a5eec257a50
Diameter
424842
Circumference
1334680.5061364
Area
141757083897
Volume
4.0149575357979E+16
Surface area
567028335588
Circumference
1334680.5061364
Perimeter
849684
Area
45122681241
Diagonal
300408.65913286
Surface area
270736087446
Volume
9585005071894461
Space diagonal
367923.96459459
Perimeter
637263
Area
19538694120.787
Altitude
183961.98229729
Surface area
19538694120.787
Volume
1.129603680674E+15
Height
100136.21971095