21431432 is an even 8-digits composite number following 21431431
and preceding 21431433 . In scientific notation, it is written as 2.1431432 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors.
There are 9741520 positive integers (up to 21431432) that are relatively prime to 21431432.
21431432 has 16 divisors, whose sum is 43837200
The reverse of 21431432 is 23413412
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million four hundred thirty-one thousand four hundred thirty-two
Scientific notation
2.1431432 × 10^7
Engineering notation
2.1431432 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 243539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5357858
Product of the distinct prime numbers
The prime factorization of 21431432 is 2 × 2 × 2 × 11 × 243539.
Since it has a total of 5 prime factors.
4 , 2 , 89 , 63 , 833 , 629 , 3803 , 6598 , 71071 , 68432 , 396190 , 465199 , 4922270 , 598317 , 62329108 , 47797690 , 559983216 , 158486020 , 2364319852 , 4362600009
n×2
42862864
n×3
64294296
n×4
85725728
n×5
107157160
n÷2
10715716
n÷3
7143810.6666667
n÷3
5357858
n÷5
4286286.4
n2
459306277570624
n3
9.843591254928E+21
n4
2.1096225661578E+29
n5
4.5212232572277E+36
2 √n
4629.4094655798
3 √n
277.76897114598
4 √n
68.039763855997
5 √n
29.255682768343
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 243539 , 487078 , 974156 , 1948312 , 2678929 , 5357858 , 10715716 , 21431432
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21431431
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21431432 can be divided by 16 positive divisors.
The sum of these divisors (counting 21431432) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110000010010001000
3
Ternary
1111022211101202
4
Quaternary
1101300102020
5
Quinary
20441301212
6
Senary
2043203332
8
Octal
121602210
10
Decimal
21431432
12
Duodecimal
7216548
16
Hexadecimal
1470488
20
Vigesimal
6diibc
36
Base36
crclk
md5
f73e3cc370ad668e0147ead911879e9a
sha1
f12ef4059533fe357fa5330ff74e04d2f61e40ca
sha256
f993e12999f4386c716c19c9807c95af2122c30af733ec6f9a170019de27e842
sha512
119ffaaeda6b3f520a69f1acdb9bd768bd75d044211b735c39a4a2e47b2dcf0ca891333fc9b8e95a625687fbec8f48ce9bfe233f7903e78bed7b940eef3bd6df
ripemd-160
56ee6661044087de8f0a250c63c419d87d235515
Diameter
42862864
Circumference
134657658.65422
Area
1.4429532273635E+15
Volume
4.1232738628563E+22
Surface area
5.7718129094542E+15
Circumference
134657658.65422
Perimeter
85725728
Area
459306277570624
Diagonal
30308621.795477
Surface area
2755837665423744
Volume
9.843591254928E+21
Space diagonal
37120329.102957
Perimeter
64294296
Area
1.9888545224691E+14
Altitude
18560164.551479
Surface area
1.9888545224691E+14
Volume
1.160078354598E+21
Height
10102873.931826