21292471 is an odd 8-digits prime number following 21292470
and preceding 21292472 . In scientific notation, it is written as 2.1292471 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 21292470 positive integers (up to 21292471) that are relatively prime to 21292471.
21292471 has 2 divisors, whose sum is 21292472
The reverse of 21292471 is 17429212
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million two hundred ninety-two thousand four hundred seventy-one
Scientific notation
2.1292471 × 10^7
Engineering notation
2.1292471 × 10^6
Prime Factorization
21292471
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21292471
Product of the distinct prime numbers
The prime factorization of 21292471 is 21292471.
Since it has a total of 1 prime factors.
8 , 10 , 36 , 20 , 123 , 607 , 4640 , 6442 , 65896 , 19790 , 709493 , 399277 , 2708618 , 7400676 , 28177097 , 63270988 , 971657610 , 667736030 , 7735529705 , 2681729529
n×2
42584942
n×3
63877413
n×4
85169884
n×5
106462355
n÷2
10646235.5
n÷3
7097490.3333333
n÷3
5323117.75
n÷5
4258494.2
n2
453369321285841
n3
9.6533531257685E+21
n4
2.0554374148318E+29
n5
4.3765341547622E+36
2 √n
4614.3765559391
3 √n
277.16731931362
4 √n
67.929202526889
5 √n
29.217645327556
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21292472
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10646236
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4614.3766642961
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999060701
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21292471 can be divided by 2 positive divisors.
The sum of these divisors (counting 21292471) is 21292472, the average is 10646236.
Base
System
Value
2
Binary
1010001001110010110110111
3
Ternary
1111001202210001
4
Quaternary
1101032112313
5
Quinary
20422324341
6
Senary
2040212131
8
Octal
121162667
10
Decimal
21292471
12
Duodecimal
716a047
16
Hexadecimal
144e5b7
20
Vigesimal
6d1b3b
36
Base36
coddj
md5
4838d3c0d99af00d09b8e35da807fe65
sha1
0059cd5b9bd76f9a44fb76baf082617bfbe06f3f
sha256
57fc277562575bbe339fb20e740deb1cec5f35862e3f4635a33cde32a44a5e52
sha512
d4083eeff41062b3b79bfffe7f73aae89b2f6c15141fc4c2d126609bc105695b3b6d432ecf0910474c098e1614bf3c6a476c0f8268eb3f809446abbde9579015
ripemd-160
e94e13e97ad457ba7d1b0252e143dde496fc98f8
Diameter
42584942
Circumference
133784540.94075
Area
1.4243017291146E+15
Volume
4.0435871016563E+22
Surface area
5.6972069164584E+15
Circumference
133784540.94075
Perimeter
85169884
Area
453369321285841
Diagonal
30112101.264636
Surface area
2720215927715046
Volume
9.6533531257685E+21
Space diagonal
36879641.590687
Perimeter
63877413
Area
1.9631467476502E+14
Altitude
18439820.795343
Surface area
1.9631467476502E+14
Volume
1.1376585760699E+21
Height
10037367.088212