21531528 is an even 8-digits composite number following 21531527
and preceding 21531529 . In scientific notation, it is written as 2.1531528 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 7084800 positive integers (up to 21531528) that are relatively prime to 21531528.
21531528 has 32 divisors, whose sum is 42406560
The reverse of 21531528 is 82513512
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million five hundred thirty-one thousand five hundred twenty-eight
Scientific notation
2.1531528 × 10^7
Engineering notation
2.1531528 × 10^6
Prime Factorization
2 × 2 × 2 × 27 × 83 × 1201
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5382882
Product of the distinct prime numbers
The prime factorization of 21531528 is 2 × 2 × 2 × 27 × 83 × 1201.
Since it has a total of 6 prime factors.
7 , 6 , 59 , 44 , 142 , 810 , 5497 , 5751 , 64190 , 44674 , 556645 , 853915 , 5087741 , 3959698 , 56761487 , 62682098 , 495951780 , 303803778 , 9746889147 , 1571526564
n×2
43063056
n×3
64594584
n×4
86126112
n×5
107657640
n÷2
10765764
n÷3
7177176
n÷3
5382882
n÷5
4306305.6
n2
463606698014784
n3
9.9821605992929E+21
n4
2.1493117044417E+29
n5
4.6277965144914E+36
2 √n
4640.2077539696
3 √n
278.20074178352
4 √n
68.119070413282
5 √n
29.282959725689
1 , 2 , 4 , 8 , 27 , 54 , 83 , 108 , 166 , 216 , 332 , 664 , 1201 , 2241 , 2402 , 4482 , 4804 , 8964 , 9608 , 17928 , 32427 , 64854 , 99683 , 129708 , 199366 , 259416 , 398732 , 797464 , 2691441 , 5382882 , 10765764 , 21531528
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
-21531527
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 21531528 can be divided by 32 positive divisors.
The sum of these divisors (counting 21531528) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001000101110001000
3
Ternary
1111111220201000
4
Quaternary
1102020232020
5
Quinary
21003002103
6
Senary
2045255000
8
Octal
122105610
10
Decimal
21531528
12
Duodecimal
7264460
16
Hexadecimal
1488b88
20
Vigesimal
6eb8g8
36
Base36
cthu0
md5
a87276fe045b9b9d0d451c01317192b6
sha1
6080b8045f2d68c6d607d1643e9d726d3be42dda
sha256
435e26dbc94fa89dc28cd8156039d1543776db9efdf0857f48b27ea65781e05c
sha512
0f01038a56893dc6c31b68ed2c95ceebb0b4e0104581df0b4be9d122db4413a381da9bc3d658fd76941e934702217f634146eb87564b5df60c0c1a5e5b7dfd97
ripemd-160
1b3e2bd413c63a7f3f0d00c4674a1615b3ecfd23
Diameter
43063056
Circumference
135286580.37073
Area
1.4564633966383E+15
Volume
4.1813176540923E+22
Surface area
5.8258535865531E+15
Circumference
135286580.37073
Perimeter
86126112
Area
463606698014784
Diagonal
30450178.916216
Surface area
2781640188088704
Volume
9.9821605992929E+21
Space diagonal
37293700.460592
Perimeter
64594584
Area
2.0074758892271E+14
Altitude
18646850.230296
Surface area
2.0074758892271E+14
Volume
1.1764089084422E+21
Height
10150059.638739