21541768 is an even 8-digits composite number following 21541767
and preceding 21541769 . In scientific notation, it is written as 2.1541768 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors.
There are 10757376 positive integers (up to 21541768) that are relatively prime to 21541768.
21541768 has 16 divisors, whose sum is 40441500
The reverse of 21541768 is 86714512
Previous prime number is 2089
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million five hundred forty-one thousand seven hundred sixty-eight
Scientific notation
2.1541768 × 10^7
Engineering notation
2.1541768 × 10^6
Prime Factorization
2 × 2 × 2 × 2089 × 1289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5385442
Product of the distinct prime numbers
The prime factorization of 21541768 is 2 × 2 × 2 × 2089 × 1289.
Since it has a total of 5 prime factors.
6 , 5 , 3 , 90 , 655 , 423 , 620 , 5836 , 78739 , 25435 , 770817 , 901893 , 8087210 , 581059 , 13861244 , 57202158 , 152999520 , 274429823 , 7314449206 , 5179550845
n×2
43083536
n×3
64625304
n×4
86167072
n×5
107708840
n÷2
10770884
n÷3
7180589.3333333
n÷3
5385442
n÷5
4308353.6
n2
464047768565824
n3
9.9964093713627E+21
n4
2.1534033151092E+29
n5
4.6388114624513E+36
2 √n
4641.3110216834
3 √n
278.24483718487
4 √n
68.127168014555
5 √n
29.285744483753
1 , 2 , 4 , 8 , 1289 , 2089 , 2578 , 4178 , 5156 , 8356 , 10312 , 16712 , 2692721 , 5385442 , 10770884 , 21541768
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21541767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21541768 can be divided by 16 positive divisors.
The sum of these divisors (counting 21541768) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001011001110001000
3
Ternary
1111112102202021
4
Quaternary
1102023032020
5
Quinary
21003314033
6
Senary
2045414224
8
Octal
122131610
10
Decimal
21541768
12
Duodecimal
726a374
16
Hexadecimal
148b388
20
Vigesimal
6ece88
36
Base36
ctpqg
md5
b537c83bf6a89f7621bf7764b2533298
sha1
7c05e5e7c3f4935d19e7e9aab5e9b4675e55176d
sha256
af3ab2f236b68102ff5a8fb04143e7a6f57689e0ced3f0d33a562a584026a8fd
sha512
ffc2737293c511751582419fcfd6dea2d67a10b14b11ab993084b0cd443d9601ce09b579aa817685040e609848726e2ede342632c2995fdc46a718fa44ded1e6
ripemd-160
121242d96ed19fb905fc1ea82f2641da4db02817
Diameter
43083536
Circumference
135350920.18827
Area
1.4578490606411E+15
Volume
4.1872861657799E+22
Surface area
5.8313962425645E+15
Circumference
135350920.18827
Perimeter
86167072
Area
464047768565824
Diagonal
30464660.463095
Surface area
2784286611394944
Volume
9.9964093713627E+21
Space diagonal
37311436.660861
Perimeter
64625304
Area
2.0093857807374E+14
Altitude
18655718.330431
Surface area
2.0093857807374E+14
Volume
1.1780881423345E+21
Height
10154886.821032