21431446 is an even 8-digits composite number following 21431445
and preceding 21431447 . In scientific notation, it is written as 2.1431446 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 10249800 positive integers (up to 21431446) that are relatively prime to 21431446.
21431446 has 8 divisors, whose sum is 33544944
The reverse of 21431446 is 64413412
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four hundred thirty-one thousand four hundred forty-six
Scientific notation
2.1431446 × 10^7
Engineering notation
2.1431446 × 10^6
Prime Factorization
2 × 23 × 465901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21431446
Product of the distinct prime numbers
The prime factorization of 21431446 is 2 × 23 × 465901.
Since it has a total of 3 prime factors.
10 , 10 , 11 , 74 , 158 , 715 , 2529 , 3658 , 20339 , 16618 , 848214 , 303739 , 5937984 , 1609013 , 2663162 , 32174886 , 592711789 , 833505877 , 6158250995 , 7542453543
n×2
42862892
n×3
64294338
n×4
85725784
n×5
107157230
n÷2
10715723
n÷3
7143815.3333333
n÷3
5357861.5
n÷5
4286289.2
n2
459306877650916
n3
9.8436105458042E+21
n4
2.1096280785743E+29
n5
4.521238024605E+36
2 √n
4629.4109776515
3 √n
277.76903162981
4 √n
68.039774967672
5 √n
29.255686590574
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21431445
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21431446 can be divided by 8 positive divisors.
The sum of these divisors (counting 21431446) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110000010010010110
3
Ternary
1111022211102021
4
Quaternary
1101300102112
5
Quinary
20441301241
6
Senary
2043203354
8
Octal
121602226
10
Decimal
21431446
12
Duodecimal
721655a
16
Hexadecimal
1470496
20
Vigesimal
6diic6
36
Base36
crcly
md5
c564e13b5b05c7aa11f5642ee49d5f22
sha1
e8eee725b343cb4b875e75e2ffa8e1e11c330685
sha256
de9f8581d17f1cd62112e1dd939049022283cea351084e486abd5de43952f602
sha512
382a293501dd2803903dac8abe6dc25cc0d6afbe633647fed2abd5c5c384c1917845d39f0caf34bc49a123f28f3f9712d4ff7f1ee86894d2c9742cb1c556724d
ripemd-160
0c966b1ab7d40e47c641611daed47f980191255b
Diameter
42862892
Circumference
134657746.61881
Area
1.4429551125714E+15
Volume
4.1232819433997E+22
Surface area
5.7718204502855E+15
Circumference
134657746.61881
Perimeter
85725784
Area
459306877650916
Diagonal
30308641.594467
Surface area
2755841265905496
Volume
9.8436105458042E+21
Space diagonal
37120353.351669
Perimeter
64294338
Area
1.988857120893E+14
Altitude
18560176.675834
Surface area
1.988857120893E+14
Volume
1.1600806280496E+21
Height
10102880.531489