21087524 is an even 8-digits composite number following 21087523
and preceding 21087525 . In scientific notation, it is written as 2.1087524 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 10180128 positive integers (up to 21087524) that are relatively prime to 21087524.
21087524 has 12 divisors, whose sum is 38175900
The reverse of 21087524 is 42578012
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million eighty-seven thousand five hundred twenty-four
Scientific notation
2.1087524 × 10^7
Engineering notation
2.1087524 × 10^6
Prime Factorization
2 × 2 × 29 × 181789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10543762
Product of the distinct prime numbers
The prime factorization of 21087524 is 2 × 2 × 29 × 181789.
Since it has a total of 4 prime factors.
8 , 5 , 64 , 13 , 704 , 510 , 6037 , 6329 , 14254 , 42674 , 557693 , 586651 , 3637405 , 7687721 , 81469924 , 73688603 , 957608432 , 447026572 , 3777402585 , 4507701732
n×2
42175048
n×3
63262572
n×4
84350096
n×5
105437620
n÷2
10543762
n÷3
7029174.6666667
n÷3
5271881
n÷5
4217504.8
n2
444683668450576
n3
9.3772775308596E+21
n4
1.9774356498666E+29
n5
4.1699221725018E+36
2 √n
4592.115416668
3 √n
276.27517539105
4 √n
67.765148982851
5 √n
29.161181635246
1 , 2 , 4 , 29 , 58 , 116 , 181789 , 363578 , 727156 , 5271881 , 10543762 , 21087524
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
-21087523
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 21087524 can be divided by 12 positive divisors.
The sum of these divisors (counting 21087524) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011100010100100100
3
Ternary
1110200100122102
4
Quaternary
1100130110210
5
Quinary
20344300044
6
Senary
2031551232
8
Octal
120342444
10
Decimal
21087524
12
Duodecimal
708b518
16
Hexadecimal
141c524
20
Vigesimal
6bfig4
36
Base36
cjz8k
md5
2d71656a71e368cd2507653ba2740798
sha1
ca9354a3bebf5349eb709cb9233061c9563f513c
sha256
a34a10f19349c1ff1698cfb068833ebd7eccdbd697b584ebc4d6b663b03fc6f0
sha512
3e95e3b9b17e8137d3e8afc2f95f653133f703d997b8bc2fb74a4831056b25441eae6953285b80431a276ff3adb56b69b2b26df3a3cf092fa8aa4bbdb83f3852
ripemd-160
37b8d182b5dd4708f36d09256859baa5164db49a
Diameter
42175048
Circumference
132496820.9616
Area
1.3970149459757E+15
Volume
3.9279448268828E+22
Surface area
5.5880597839028E+15
Circumference
132496820.9616
Perimeter
84350096
Area
444683668450576
Diagonal
29822262.437668
Surface area
2668102010703456
Volume
9.3772775308596E+21
Space diagonal
36524662.973828
Perimeter
63262572
Area
1.9255367676313E+14
Altitude
18262331.486914
Surface area
1.9255367676313E+14
Volume
1.1051227551898E+21
Height
9940754.1458894