21462281 is an odd 8-digits prime number following 21462280
and preceding 21462282 . In scientific notation, it is written as 2.1462281 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 21462280 positive integers (up to 21462281) that are relatively prime to 21462281.
21462281 has 2 divisors, whose sum is 21462282
The reverse of 21462281 is 18226412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred sixty-two thousand two hundred eighty-one
Scientific notation
2.1462281 × 10^7
Engineering notation
2.1462281 × 10^6
Prime Factorization
21462281
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21462281
Product of the distinct prime numbers
The prime factorization of 21462281 is 21462281.
Since it has a total of 1 prime factors.
2 , 3 , 68 , 54 , 673 , 763 , 5436 , 9821 , 17775 , 68758 , 602737 , 761983 , 643266 , 7965958 , 88815943 , 15224595 , 171353179 , 469949049 , 7489568642 , 5440343245
n×2
42924562
n×3
64386843
n×4
85849124
n×5
107311405
n÷2
10731140.5
n÷3
7154093.6666667
n÷3
5365570.25
n÷5
4292456.2
n2
460629505722961
n3
9.8861598887173E+21
n4
2.1217954154258E+29
n5
4.553856943038E+36
2 √n
4632.7401179
3 √n
277.90218338055
4 √n
68.064235233344
5 √n
29.264100212102
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21462282
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10731141
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4632.7402258275
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999068133
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21462281 can be divided by 2 positive divisors.
The sum of these divisors (counting 21462281) is 21462282, the average is 10731141.
Base
System
Value
2
Binary
1010001110111110100001001
3
Ternary
1111101101201022
4
Quaternary
1101313310021
5
Quinary
20443243111
6
Senary
2044002225
8
Octal
121676411
10
Decimal
21462281
12
Duodecimal
7230375
16
Hexadecimal
1477d09
20
Vigesimal
6e2fe1
36
Base36
cs0eh
md5
6c0f63a891ef8e31f381ecefc9a0961c
sha1
cc39d1b633aee1fa450ca57d74f6718d6fbe39d0
sha256
aef048d78647a6905193c783669ea5166679df5a287d7be9fa696fbb6cc525a0
sha512
248bf441d11aa87235c714025d5eb775848d310d39aa93e8aca0bb7a5d59880314f1f8503a8bda32cea17ffe3b60e2d492cb82d16ea6c8d9816797cf11b0f92d
ripemd-160
e6de46f5cf1626e235e0b74b4468f8ce14838396
Diameter
42924562
Circumference
134851488.63776
Area
1.447110271206E+15
Volume
4.1411049704811E+22
Surface area
5.7884410848238E+15
Circumference
134851488.63776
Perimeter
85849124
Area
460629505722961
Diagonal
30352248.869662
Surface area
2763777034337766
Volume
9.8861598887173E+21
Space diagonal
37173761.13832
Perimeter
64386843
Area
1.9945842684438E+14
Altitude
18586880.56916
Surface area
1.9945842684438E+14
Volume
1.1650951162011E+21
Height
10117416.289887