21431497 is an odd 8-digits prime number following 21431496
and preceding 21431498 . In scientific notation, it is written as 2.1431497 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 21431496 positive integers (up to 21431497) that are relatively prime to 21431497.
21431497 has 2 divisors, whose sum is 21431498
The reverse of 21431497 is 79413412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred thirty-one thousand four hundred ninety-seven
Scientific notation
2.1431497 × 10^7
Engineering notation
2.1431497 × 10^6
Prime Factorization
21431497
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21431497
Product of the distinct prime numbers
The prime factorization of 21431497 is 21431497.
Since it has a total of 1 prime factors.
3 , 9 , 90 , 20 , 39 , 267 , 2060 , 9533 , 44605 , 41594 , 169402 , 593610 , 4104689 , 6049245 , 91820649 , 25682954 , 579509659 , 559091316 , 70503847 , 6561342657
n×2
42862994
n×3
64294491
n×4
85725988
n×5
107157485
n÷2
10715748.5
n÷3
7143832.3333333
n÷3
5357874.25
n÷5
4286299.4
n2
459309063661009
n3
9.8436808199237E+21
n4
2.1096481596115E+29
n5
4.521291820377E+36
2 √n
4629.4164859083
3 √n
277.76925196351
4 √n
68.039815445872
5 √n
29.2557005144
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21431498
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10715749
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4629.4165939133
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999066794
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21431497 can be divided by 2 positive divisors.
The sum of these divisors (counting 21431497) is 21431498, the average is 10715749.
Base
System
Value
2
Binary
1010001110000010011001001
3
Ternary
1111022211111011
4
Quaternary
1101300103021
5
Quinary
20441301442
6
Senary
2043203521
8
Octal
121602311
10
Decimal
21431497
12
Duodecimal
72165a1
16
Hexadecimal
14704c9
20
Vigesimal
6diieh
36
Base36
crcnd
md5
1189110545b2f6aa1c1fdfcdc888d222
sha1
f1871dbc6e42d057d96e251e967283562c7898f0
sha256
58834e8c411a5e4ce68818796aa6b50131e84feb6835b9c03dff53c8721a39ea
sha512
2d5b2ffef103182ce9280d543b64e58dbba6dedd1b16b3be41a8bef24e8df03441a867d24cd4f93bb7fbf23a3d365ddb71127ad913cc844085f714db6ceb7535
ripemd-160
7ef0b94da046c6a2087fa01f8b6d365bdbd2fe09
Diameter
42862994
Circumference
134658067.06126
Area
1.4429619801246E+15
Volume
4.123311379754E+22
Surface area
5.7718479204985E+15
Circumference
134658067.06126
Perimeter
85725988
Area
459309063661009
Diagonal
30308713.719358
Surface area
2755854381966054
Volume
9.8436808199237E+21
Space diagonal
37120441.68626
Perimeter
64294491
Area
1.9888665865944E+14
Altitude
18560220.84313
Surface area
1.9888665865944E+14
Volume
1.160088909934E+21
Height
10102904.573119