21831572 is an even 8-digits composite number following 21831571
and preceding 21831573 . In scientific notation, it is written as 2.1831572 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 9356376 positive integers (up to 21831572) that are relatively prime to 21831572.
21831572 has 12 divisors, whose sum is 43663200
The reverse of 21831572 is 27513812
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million eight hundred thirty-one thousand five hundred seventy-two
Scientific notation
2.1831572 × 10^7
Engineering notation
2.1831572 × 10^6
Prime Factorization
2 × 2 × 7 × 779699
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10915786
Product of the distinct prime numbers
The prime factorization of 21831572 is 2 × 2 × 7 × 779699.
Since it has a total of 4 prime factors.
3 , 9 , 3 , 67 , 382 , 925 , 4987 , 5214 , 20869 , 66350 , 309849 , 388448 , 2330587 , 4690035 , 5728912 , 16157481 , 778021827 , 300071213 , 1854580353 , 9473197917
n×2
43663144
n×3
65494716
n×4
87326288
n×5
109157860
n÷2
10915786
n÷3
7277190.6666667
n÷3
5457893
n÷5
4366314.4
n2
476617535991184
n3
1.0405310053454E+22
n4
2.2716427561431E+29
n5
4.9593532389016E+36
2 √n
4672.4267784525
3 √n
279.48703701068
4 √n
68.355151806228
5 √n
29.364120778402
1 , 2 , 4 , 7 , 14 , 28 , 779699 , 1559398 , 3118796 , 5457893 , 10915786 , 21831572
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21831571
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21831572 can be divided by 12 positive divisors.
The sum of these divisors (counting 21831572) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011010001111110010100
3
Ternary
1112002011021202
4
Quaternary
1103101332110
5
Quinary
21042102242
6
Senary
2055532032
8
Octal
123217624
10
Decimal
21831572
12
Duodecimal
738a018
16
Hexadecimal
14d1f94
20
Vigesimal
6g8iic
36
Base36
czxck
md5
89044d8f87ac0a62d41c7409be9a1bc1
sha1
195b15eb2f714756415d51de5705bc07fa518d36
sha256
552b3230a65135914230997d71be00e0aa05cf59779dd2a2dd491be36828251f
sha512
f499ffadff8c76d5359b5bbc0ef6ea2cbe232741ff0fcdb63b9219db0e40b5721497a5c0e7c7fa38d05fb28476988651a78c9bd18f45d222a485929b7e36a19b
ripemd-160
d1c0e34fbf124b965531d0b0d25f18502d5a731b
Diameter
43663144
Circumference
137171812.42303
Area
1.497338149642E+15
Volume
4.3585660829674E+22
Surface area
5.9893525985679E+15
Circumference
137171812.42303
Perimeter
87326288
Area
476617535991184
Diagonal
30874505.210325
Surface area
2859705215947104
Volume
1.0405310053454E+22
Space diagonal
37813391.913098
Perimeter
65494716
Area
2.0638144702875E+14
Altitude
18906695.956549
Surface area
2.0638144702875E+14
Volume
1.2262775498577E+21
Height
10291501.736775