21921572 is an even 8-digits composite number following 21921571
and preceding 21921573 . In scientific notation, it is written as 2.1921572 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 10640448 positive integers (up to 21921572) that are relatively prime to 21921572.
21921572 has 24 divisors, whose sum is 39495456
The reverse of 21921572 is 27512912
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million nine hundred twenty-one thousand five hundred seventy-two
Scientific notation
2.1921572 × 10^7
Engineering notation
2.1921572 × 10^6
Prime Factorization
2 × 2 × 43 × 233 × 547
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10960786
Product of the distinct prime numbers
The prime factorization of 21921572 is 2 × 2 × 43 × 233 × 547.
Since it has a total of 5 prime factors.
10 , 9 , 55 , 92 , 832 , 222 , 4026 , 7393 , 55890 , 82643 , 658366 , 655377 , 4361873 , 7480409 , 13482103 , 38395217 , 574865461 , 533659528 , 9426452351 , 2654232068
n×2
43843144
n×3
65764716
n×4
87686288
n×5
109607860
n÷2
10960786
n÷3
7307190.6666667
n÷3
5480393
n÷5
4384314.4
n2
480555318951184
n3
1.0534528024371E+22
n4
2.3093341457227E+29
n5
5.062423474752E+36
2 √n
4682.0478425578
3 √n
279.87056943138
4 √n
68.42549117513
5 √n
29.388291495205
1 , 2 , 4 , 43 , 86 , 172 , 233 , 466 , 547 , 932 , 1094 , 2188 , 10019 , 20038 , 23521 , 40076 , 47042 , 94084 , 127451 , 254902 , 509804 , 5480393 , 10960786 , 21921572
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21921571
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21921572 can be divided by 24 positive divisors.
The sum of these divisors (counting 21921572) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011100111111100100100
3
Ternary
1112020201202002
4
Quaternary
1103213330210
5
Quinary
21102442242
6
Senary
2101504432
8
Octal
123477444
10
Decimal
21921572
12
Duodecimal
7412118
16
Hexadecimal
14e7f24
20
Vigesimal
6h03ic
36
Base36
d1usk
md5
f6dae17f583597adb76e6b3ce2d24885
sha1
d29a90d22767fa754f3c2374599d0a170766923f
sha256
59ccf1e80984080a6bda201f04d21e14db50d1863249886927c635bf0d7eaa93
sha512
0be5470d2d6aeb58a23c72d037644251fd887e4e62a0ffee8f1fb3c9da1460f99f2b9e6393257198bdf3b414eca85c85a5190d0541f1ec857c74cb4b34a9c12a
ripemd-160
ef385cce07cac5114df23278f372b846834cf344
Diameter
43843144
Circumference
137737299.10068
Area
1.5097090596605E+15
Volume
4.4126927800534E+22
Surface area
6.0388362386422E+15
Circumference
137737299.10068
Perimeter
87686288
Area
480555318951184
Diagonal
31001784.430938
Surface area
2883331913707104
Volume
1.0534528024371E+22
Space diagonal
37969276.485779
Perimeter
65764716
Area
2.0808655706773E+14
Altitude
18984638.24289
Surface area
2.0808655706773E+14
Volume
1.2415060337721E+21
Height
10333928.143646