21492371 is an odd 8-digits prime number following 21492370
and preceding 21492372 . In scientific notation, it is written as 2.1492371 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21492370 positive integers (up to 21492371) that are relatively prime to 21492371.
21492371 has 2 divisors, whose sum is 21492372
The reverse of 21492371 is 17329412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred ninety-two thousand three hundred seventy-one
Scientific notation
2.1492371 × 10^7
Engineering notation
2.1492371 × 10^6
Prime Factorization
21492371
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21492371
Product of the distinct prime numbers
The prime factorization of 21492371 is 21492371.
Since it has a total of 1 prime factors.
1 , 3 , 76 , 39 , 862 , 523 , 610 , 4565 , 75364 , 83075 , 147741 , 772082 , 626450 , 5384537 , 67233250 , 91437865 , 640158891 , 120090016 , 4323588285 , 2241429232
n×2
42984742
n×3
64477113
n×4
85969484
n×5
107461855
n÷2
10746185.5
n÷3
7164123.6666667
n÷3
5373092.75
n÷5
4298474.2
n2
461922011201641
n3
9.9277992378118E+21
n4
2.1337194443257E+29
n5
4.5858689907362E+36
2 √n
4635.9865185309
3 √n
278.03199517886
4 √n
68.088079122052
5 √n
29.272301235806
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21492372
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10746186
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4635.9866263828
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999069437
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492371 can be divided by 2 positive divisors.
The sum of these divisors (counting 21492371) is 21492372, the average is 10746186.
Base
System
Value
2
Binary
1010001111111001010010011
3
Ternary
1111102220222202
4
Quaternary
1101333022103
5
Quinary
21000223441
6
Senary
2044353415
8
Octal
121771223
10
Decimal
21492371
12
Duodecimal
724586b
16
Hexadecimal
147f293
20
Vigesimal
6e6aib
36
Base36
csnmb
md5
782bc5ee2a04c8e62cf5ddf9d73f27b7
sha1
9848fd8665a0528682f698356e8cf11b6437bd16
sha256
d02318418b87542a0ff3a8825e287533872f4a4eb2ed960324d6b7f28ef777bc
sha512
31ea164ab3a55fa23886a2ff7a7fd78662cfc34cecdcb33a79834bb9ce837f576aac962f58cd5551738c3ade72c049bd5a3fe32bcc36bf80b7b9680280c63130
ripemd-160
b1a9b692a1b92fb29800009a94593b5cde33b80e
Diameter
42984742
Circumference
135040549.68365
Area
1.4511707969225E+15
Volume
4.1585468202432E+22
Surface area
5.80468318769E+15
Circumference
135040549.68365
Perimeter
85969484
Area
461922011201641
Diagonal
30394802.555754
Surface area
2771532067209846
Volume
9.9277992378118E+21
Space diagonal
37225878.54712
Perimeter
64477113
Area
2.0001809813391E+14
Altitude
18612939.27356
Surface area
2.0001809813391E+14
Volume
1.1700023605526E+21
Height
10131600.851918