21211 is an odd 5-digits prime number following 21210
and preceding 21212 . In scientific notation, it is written as 2.1211 × 10^4.
The sum of its digits is 7. It has a total of 1 prime factors and 2 positive divisors.
There are 21210 positive integers (up to 21211) that are relatively prime to 21211.
21211 has 2 divisors, whose sum is 21212
The reverse of 21211 is 11212
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 7
Digital Root 7
Name
twenty-one thousand two hundred eleven
Scientific notation
2.1211 × 10^4
Engineering notation
2.1211 × 10^3
Prime Factorization
21211
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21211
Product of the distinct prime numbers
The prime factorization of 21211 is 21211.
Since it has a total of 1 prime factors.
1 , 2 , 86 , 66 , 90 , 758 , 5675 , 8576 , 93242 , 72688 , 151206 , 22608 , 1958641 , 9405902 , 18296209 , 30105624 , 343071929 , 269421033 , 8652396114 , 8338036172
n×2
42422
n×3
63633
n×4
84844
n×5
106055
n÷2
10605.5
n÷3
7070.3333333333
n÷3
5302.75
n÷5
4242.2
n2
449906521
n3
9542967216931
n4
202415877638323441
n5
4.2934431805865E+21
2 √n
145.63996704202
3 √n
27.681336069916
4 √n
12.068138507741
5 √n
7.3335157457687
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21212
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10606
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
145.6434001251
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999057137469
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21211 can be divided by 2 positive divisors.
The sum of these divisors (counting 21211) is 21212, the average is 10606.
Base
System
Value
2
Binary
101001011011011
3
Ternary
1002002121
4
Quaternary
11023123
5
Quinary
1134321
6
Senary
242111
8
Octal
51333
10
Decimal
21211
12
Duodecimal
10337
16
Hexadecimal
52db
20
Vigesimal
2d0b
36
Base36
gd7
md5
a25ae004eadf95406855ffbad5653993
sha1
60063b9113d591098b083222a63a8fb4eb72d675
sha256
2c2907c96e5d5a9884921655c10efc0c83c9834e527ffeaf95abee4c83fa9102
sha512
3c5f4491fdaf9ea0716e74aaa1d180717ba8c96addbb5d4d779750f79abd1edd1b3abcb68d4c5fed90de67c98157ac4a3f5bdb954688b432af4ebbd789d12d98
ripemd-160
12340bd42c81061f1131fd1150cf1742762a641f
Diameter
42422
Circumference
133272.64355059
Area
1413423021.1757
Volume
39973487602878
Surface area
5653692084.703
Circumference
133272.64355059
Perimeter
84844
Area
449906521
Diagonal
29996.883871496
Surface area
2699439126
Volume
9542967216931
Space diagonal
36738.529679343
Perimeter
63633
Area
194815238.25714
Altitude
18369.264839672
Surface area
194815238.25714
Volume
1124649471955.5
Height
9998.9612904986