21431471 is an odd 8-digits composite number following 21431470
and preceding 21431472 . In scientific notation, it is written as 2.1431471 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 21005568 positive integers (up to 21431471) that are relatively prime to 21431471.
21431471 has 4 divisors, whose sum is 21444072
The reverse of 21431471 is 17413412
Previous prime number is 10573
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million four hundred thirty-one thousand four hundred seventy-one
Scientific notation
2.1431471 × 10^7
Engineering notation
2.1431471 × 10^6
Prime Factorization
10573 × 2027
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21431471
Product of the distinct prime numbers
The prime factorization of 21431471 is 10573 × 2027.
Since it has a total of 2 prime factors.
2 , 5 , 91 , 56 , 13 , 631 , 9852 , 5715 , 78466 , 29098 , 507428 , 505129 , 4336037 , 4206255 , 79859904 , 38246822 , 932718299 , 912881664 , 4382712935 , 1883957060
n×2
42862942
n×3
64294413
n×4
85725884
n×5
107157355
n÷2
10715735.5
n÷3
7143823.6666667
n÷3
5357867.75
n÷5
4286294.2
n2
459307949223841
n3
9.8436449938602E+21
n4
2.1096379222021E+29
n5
4.5212643950175E+36
2 √n
4629.4136777782
3 √n
277.76913963656
4 √n
68.039794809936
5 √n
29.255693415982
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21431470
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21431471 can be divided by 4 positive divisors.
The sum of these divisors (counting 21431471) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001110000010010101111
3
Ternary
1111022211110012
4
Quaternary
1101300102233
5
Quinary
20441301341
6
Senary
2043203435
8
Octal
121602257
10
Decimal
21431471
12
Duodecimal
721657b
16
Hexadecimal
14704af
20
Vigesimal
6diidb
36
Base36
crcmn
md5
d9ffc289a46fc5cccdd820a36b286378
sha1
7e7c110b6465ec24eb179bfed203d139999c3354
sha256
6e4cd493df835b15f8e967bea4e5f2717e6f614591b86e16c702b98e7185a46a
sha512
44d811c852ef75c3cd0990319fbf0b24bc843da967eb4cea835b0587510561b064517205a3fc8e612fdd27c9f6e7f58dc58ad249cae1f66567cbc535e6469508
ripemd-160
ca2bd8c1416e62550e17e9054378a0dea5308c94
Diameter
42862942
Circumference
134657903.69845
Area
1.442958479017E+15
Volume
4.1232963729676E+22
Surface area
5.771833916068E+15
Circumference
134657903.69845
Perimeter
85725884
Area
459307949223841
Diagonal
30308676.949806
Surface area
2755847695343046
Volume
9.8436449938602E+21
Space diagonal
37120396.652939
Perimeter
64294413
Area
1.9888617609399E+14
Altitude
18560198.326469
Surface area
1.9888617609399E+14
Volume
1.1600846877919E+21
Height
10102892.316602