21492221 is an odd 8-digits prime number following 21492220
and preceding 21492222 . In scientific notation, it is written as 2.1492221 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 21492220 positive integers (up to 21492221) that are relatively prime to 21492221.
21492221 has 2 divisors, whose sum is 21492222
The reverse of 21492221 is 12229412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million four hundred ninety-two thousand two hundred twenty-one
Scientific notation
2.1492221 × 10^7
Engineering notation
2.1492221 × 10^6
Prime Factorization
21492221
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21492221
Product of the distinct prime numbers
The prime factorization of 21492221 is 21492221.
Since it has a total of 1 prime factors.
8 , 10 , 45 , 83 , 584 , 158 , 5878 , 9414 , 93465 , 13216 , 677217 , 988584 , 8872271 , 751170 , 28015783 , 69773738 , 770759451 , 112555456 , 8907140592 , 4633541397
n×2
42984442
n×3
64476663
n×4
85968884
n×5
107461105
n÷2
10746110.5
n÷3
7164073.6666667
n÷3
5373055.25
n÷5
4298444.2
n2
461915563512841
n3
9.9275913743575E+21
n4
2.1336598781539E+29
n5
4.5857089640116E+36
2 √n
4635.9703407162
3 √n
278.0313483618
4 √n
68.087960321309
5 √n
29.272260376121
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21492222
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10746111
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4635.9704485685
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999069431
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492221 can be divided by 2 positive divisors.
The sum of these divisors (counting 21492221) is 21492222, the average is 10746111.
Base
System
Value
2
Binary
1010001111111000111111101
3
Ternary
1111102220210012
4
Quaternary
1101333013331
5
Quinary
21000222341
6
Senary
2044353005
8
Octal
121770775
10
Decimal
21492221
12
Duodecimal
7245765
16
Hexadecimal
147f1fd
20
Vigesimal
6e6ab1
36
Base36
csni5
md5
24565e6fca5b3c67ae4c6591c86f6423
sha1
837fd5bc929e144aad6b96684923b69a40933cf0
sha256
2e36595e597f582c52a2e8427c998b1872faccbeb466d87b602ea93fcc54f6fc
sha512
1ef38f60597ec7182b022e16d6664fe370d39984ee71dfd58a3348754389cba1121be76d00f9676cb3c0b9d9a01cf90e8f657d391c3273f251793b271cfaa533
ripemd-160
ee4fbbabc763a7e996af91c6279fd2beac6ba233
Diameter
42984442
Circumference
135039607.20586
Area
1.4511505409107E+15
Volume
4.1584597506031E+22
Surface area
5.8046021636429E+15
Circumference
135039607.20586
Perimeter
85968884
Area
461915563512841
Diagonal
30394590.42372
Surface area
2771493381077046
Volume
9.9275913743575E+21
Space diagonal
37225618.739499
Perimeter
64476663
Area
2.0001530620276E+14
Altitude
18612809.369749
Surface area
2.0001530620276E+14
Volume
1.1699778636095E+21
Height
10131530.14124