21231458 is an even 8-digits composite number following 21231457
and preceding 21231459 . In scientific notation, it is written as 2.1231458 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10615728 positive integers (up to 21231458) that are relatively prime to 21231458.
21231458 has 4 divisors, whose sum is 31847190
The reverse of 21231458 is 85413212
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million two hundred thirty-one thousand four hundred fifty-eight
Scientific notation
2.1231458 × 10^7
Engineering notation
2.1231458 × 10^6
Prime Factorization
2 × 10615729
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21231458
Product of the distinct prime numbers
The prime factorization of 21231458 is 2 × 10615729.
Since it has a total of 2 prime factors.
8 , 8 , 66 , 47 , 287 , 12 , 3817 , 8687 , 58593 , 67555 , 786946 , 116251 , 6647786 , 8845270 , 69138835 , 29552820 , 555507953 , 325646165 , 6619370898 , 8064322011
n×2
42462916
n×3
63694374
n×4
84925832
n×5
106157290
n÷2
10615729
n÷3
7077152.6666667
n÷3
5307864.5
n÷5
4246291.6
n2
450774808805764
n3
9.5706064206176E+21
n4
2.0319792825387E+29
n5
4.3141882794091E+36
2 √n
4607.7606274632
3 √n
276.90232755659
4 √n
67.88048782576
5 √n
29.200881627602
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
-21231457
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 21231458 can be divided by 4 positive divisors.
The sum of these divisors (counting 21231458) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000111111011101100010
3
Ternary
1110221200002022
4
Quaternary
1100333131202
5
Quinary
20413401313
6
Senary
2035021442
8
Octal
120773542
10
Decimal
21231458
12
Duodecimal
713a882
16
Hexadecimal
143f762
20
Vigesimal
6cdici
36
Base36
cn2aq
md5
cf4d3c885b227e8529d089c85d55e94b
sha1
7fdc8896d2a1c24c3fcefd1cd6ea7d1da76c91c9
sha256
d6c3db4da8772d4b971f76059ef2457fb8e1f9f96b3629df24d82960c3413a10
sha512
6272f7865624e8b61833d359465b6eacbde98ef7ab5e7e52779359e01672b189952f62ef0a7a1fff4e8a5a6e858e22a48699b415a3a1c3188691d22564ee36cc
ripemd-160
537bc07867ac2543bedc08a9947836d686ea7d93
Diameter
42462916
Circumference
133401184.9556
Area
1.4161508277675E+15
Volume
4.0089262428549E+22
Surface area
5.6646033110701E+15
Circumference
133401184.9556
Perimeter
84925832
Area
450774808805764
Diagonal
30025815.852555
Surface area
2704648852834584
Volume
9.5706064206176E+21
Space diagonal
36773963.974765
Perimeter
63694374
Area
1.9519121790593E+14
Altitude
18386981.987382
Surface area
1.9519121790593E+14
Volume
1.1279067833477E+21
Height
10008605.284185