21751572 is an even 8-digits composite number following 21751571
and preceding 21751573 . In scientific notation, it is written as 2.1751572 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 7232256 positive integers (up to 21751572) that are relatively prime to 21751572.
21751572 has 24 divisors, whose sum is 50881600
The reverse of 21751572 is 27515712
Previous prime number is 439
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million seven hundred fifty-one thousand five hundred seventy-two
Scientific notation
2.1751572 × 10^7
Engineering notation
2.1751572 × 10^6
Prime Factorization
2 × 2 × 3 × 439 × 4129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10875786
Product of the distinct prime numbers
The prime factorization of 21751572 is 2 × 2 × 3 × 439 × 4129.
Since it has a total of 5 prime factors.
2 , 10 , 52 , 57 , 872 , 473 , 4735 , 7248 , 24775 , 33146 , 524496 , 921101 , 1497531 , 6999089 , 59098228 , 18186994 , 669677704 , 167728479 , 659225733 , 4068352108
n×2
43503144
n×3
65254716
n×4
87006288
n×5
108757860
n÷2
10875786
n÷3
7250524
n÷3
5437893
n÷5
4350314.4
n2
473130884471184
n3
1.0291340498999E+22
n4
2.2385283384048E+29
n5
4.8691510326853E+36
2 √n
4663.8580595897
3 √n
279.14523341302
4 √n
68.292445113568
5 √n
29.342568683764
1 , 2 , 3 , 4 , 6 , 12 , 439 , 878 , 1317 , 1756 , 2634 , 4129 , 5268 , 8258 , 12387 , 16516 , 24774 , 49548 , 1812631 , 3625262 , 5437893 , 7250524 , 10875786 , 21751572
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
-21751571
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 21751572 can be divided by 24 positive divisors.
The sum of these divisors (counting 21751572) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010111110011100010100
3
Ternary
1111221002112210
4
Quaternary
1102332130110
5
Quinary
21032022242
6
Senary
2054113420
8
Octal
122763424
10
Decimal
21751572
12
Duodecimal
734b870
16
Hexadecimal
14be714
20
Vigesimal
6fiiic
36
Base36
cy7mc
md5
571741fbd07713a40b2482f77dec27c2
sha1
e3b359d77a220f8666aa756095ed3b8b8e3e9e9e
sha256
9b206d0d4b296fa3fd46281a90688e8e68a7c9ca77a5d6eaeb93934122a5bd52
sha512
f19f7381771b5d7483eee6e2dff62e58b610cb84e697319339629d916f3a5204a14edf048914c1dd70cd64a5e9dcb6623919a9cf4a1b54dc1e92f1500bec5794
ripemd-160
a81f0ffff2c4db40fe1943a2613a5d8fd43f875f
Diameter
43503144
Circumference
136669157.59846
Area
1.4863845108411E+15
Volume
4.3108266276327E+22
Surface area
5.9455380433645E+15
Circumference
136669157.59846
Perimeter
87006288
Area
473130884471184
Diagonal
30761368.125335
Surface area
2838785306827104
Volume
1.0291340498999E+22
Space diagonal
37674827.848493
Perimeter
65254716
Area
2.0487168263352E+14
Altitude
18837413.924246
Surface area
2.0487168263352E+14
Volume
1.2128461090569E+21
Height
10253789.375112