21431566 is an even 8-digits composite number following 21431565
and preceding 21431567 . In scientific notation, it is written as 2.1431566 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 9805536 positive integers (up to 21431566) that are relatively prime to 21431566.
21431566 has 16 divisors, whose sum is 32619600
The reverse of 21431566 is 66513412
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred thirty-one thousand five hundred sixty-six
Scientific notation
2.1431566 × 10^7
Engineering notation
2.1431566 × 10^6
Prime Factorization
2 × 169 × 163 × 389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21431566
Product of the distinct prime numbers
The prime factorization of 21431566 is 2 × 169 × 163 × 389.
Since it has a total of 4 prime factors.
2 , 4 , 47 , 72 , 847 , 536 , 7691 , 2841 , 55734 , 89030 , 435101 , 812226 , 1150003 , 2455103 , 27222850 , 54657917 , 530842212 , 844000063 , 1525424248 , 3569066024
n×2
42863132
n×3
64294698
n×4
85726264
n×5
107157830
n÷2
10715783
n÷3
7143855.3333333
n÷3
5357891.5
n÷5
4286313.2
n2
459312021212356
n3
9.843775897206E+21
n4
2.1096753283018E+29
n5
4.5213646037072E+36
2 √n
4629.4239382454
3 √n
277.76955006148
4 √n
68.039870210381
5 √n
29.255719352475
1 , 2 , 163 , 169 , 326 , 338 , 389 , 778 , 27547 , 55094 , 63407 , 65741 , 126814 , 131482 , 10715783 , 21431566
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
-21431565
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 21431566 can be divided by 16 positive divisors.
The sum of these divisors (counting 21431566) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110000010100001110
3
Ternary
1111022211120201
4
Quaternary
1101300110032
5
Quinary
20441302231
6
Senary
2043204114
8
Octal
121602416
10
Decimal
21431566
12
Duodecimal
721663a
16
Hexadecimal
147050e
20
Vigesimal
6diii6
36
Base36
crcpa
md5
b323306339d8e4ebf46327bad97b9f6e
sha1
fbcb498c7e6bc574bbab0e11232b6d358212f2e8
sha256
6ea953a5a7635fbdc3789e7d8a4cbc85a9f598d7fb7c31c98d0d3af473340f0e
sha512
d86b9140becd8bb61a40ebc30e4c7dcd7fac49f99ec7ab2104384eac43e7036ef082d768d31beb982c870398dec3aa2c4fad82dec2a8da20186e3a37dc0734a9
ripemd-160
fd322c7635697c90659d61568fc9e56ea0ea4028
Diameter
42863132
Circumference
134658500.60105
Area
1.4429712715462E+15
Volume
4.1233512056329E+22
Surface area
5.7718850861849E+15
Circumference
134658500.60105
Perimeter
85726264
Area
459312021212356
Diagonal
30308811.300094
Surface area
2755872127274136
Volume
9.843775897206E+21
Space diagonal
37120561.197766
Perimeter
64294698
Area
1.9888793931674E+14
Altitude
18560280.598883
Surface area
1.9888793931674E+14
Volume
1.1601001148992E+21
Height
10102937.100031