21231432 is an even 8-digits composite number following 21231431
and preceding 21231433 . In scientific notation, it is written as 2.1231432 × 10^7.
The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors.
There are 7020000 positive integers (up to 21231432) that are relatively prime to 21231432.
21231432 has 32 divisors, whose sum is 44589600
The reverse of 21231432 is 23413212
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million two hundred thirty-one thousand four hundred thirty-two
Scientific notation
2.1231432 × 10^7
Engineering notation
2.1231432 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 131 × 2251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5307858
Product of the distinct prime numbers
The prime factorization of 21231432 is 2 × 2 × 2 × 9 × 131 × 2251.
Since it has a total of 6 prime factors.
9 , 8 , 62 , 72 , 623 , 305 , 1339 , 3315 , 34026 , 82455 , 282522 , 726279 , 8642929 , 5748197 , 8498341 , 16046768 , 61848652 , 93530347 , 7224211930 , 1426994645
n×2
42462864
n×3
63694296
n×4
84925728
n×5
106157160
n÷2
10615716
n÷3
7077144
n÷3
5307858
n÷5
4246286.4
n2
450773704770624
n3
9.5705712602256E+21
n4
2.0319693291263E+29
n5
4.3141618637431E+36
2 √n
4607.7578061352
3 √n
276.90221452521
4 √n
67.880467044174
5 √n
29.20087447573
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 131 , 262 , 524 , 1048 , 1179 , 2251 , 2358 , 4502 , 4716 , 9004 , 9432 , 18008 , 20259 , 40518 , 81036 , 162072 , 294881 , 589762 , 1179524 , 2359048 , 2653929 , 5307858 , 10615716 , 21231432
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21231431
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21231432 can be divided by 32 positive divisors.
The sum of these divisors (counting 21231432) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000111111011101001000
3
Ternary
1110221200001100
4
Quaternary
1100333131020
5
Quinary
20413401212
6
Senary
2035021400
8
Octal
120773510
10
Decimal
21231432
12
Duodecimal
713a860
16
Hexadecimal
143f748
20
Vigesimal
6cdibc
36
Base36
cn2a0
md5
92afb339698d58515cf8f90ac40c6476
sha1
c24d9479476fe02f8970230565305096a250bed3
sha256
c95fb88eca72487faab35ec9d916343a8c7df8025c52b5fc7b364761a02fda29
sha512
e9802fa16bd268b6d77bc6c18c3732846a8e21859e7772093220353d9cd88e9580b560ed80f1be9c74983d37358550d2c6605df645bbed40ce2d282952670dd2
ripemd-160
c832d1fc023489c5ab096d3f8909313c562c4f64
Diameter
42462864
Circumference
133401021.59278
Area
1.4161473593388E+15
Volume
4.0089115149043E+22
Surface area
5.6645894373554E+15
Circumference
133401021.59278
Perimeter
84925728
Area
450773704770624
Diagonal
30025779.083002
Surface area
2704642228623744
Volume
9.5705712602256E+21
Space diagonal
36773918.941444
Perimeter
63694296
Area
1.9519073984469E+14
Altitude
18386959.470722
Surface area
1.9519073984469E+14
Volume
1.1279026396558E+21
Height
10008593.027667