21528090 is an even 8-digits composite number following 21528089
and preceding 21528091 . In scientific notation, it is written as 2.1528090 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 5740800 positive integers (up to 21528090) that are relatively prime to 21528090.
21528090 has 8 divisors, whose sum is 33009876
The reverse of 21528090 is 09082512
Previous prime number is 45
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million five hundred twenty-eight thousand ninety
Scientific notation
2.1528090 × 10^7
Engineering notation
2.1528090 × 10^6
Prime Factorization
2 × 45 × 239201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21528090
Product of the distinct prime numbers
The prime factorization of 21528090 is 2 × 45 × 239201.
Since it has a total of 3 prime factors.
1 , 6 , 61 , 96 , 445 , 885 , 3957 , 2822 , 68756 , 62540 , 981868 , 439517 , 4345815 , 4566991 , 57319986 , 98179249 , 744804185 , 184960765 , 5559767565 , 4428087316
n×2
43056180
n×3
64584270
n×4
86112360
n×5
107640450
n÷2
10764045
n÷3
7176030
n÷3
5382022.5
n÷5
4305618
n2
463458659048100
n3
9.9773797232668E+21
n4
2.1479392864666E+29
n5
4.6241030273589E+36
2 √n
4639.8372816296
3 √n
278.18593396215
4 √n
68.116351059269
5 √n
29.28202452735
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21528089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21528090 can be divided by 8 positive divisors.
The sum of these divisors (counting 21528090) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000111111000011010
3
Ternary
1111111201222200
4
Quaternary
1102013320122
5
Quinary
21002344330
6
Senary
2045231030
8
Octal
122077032
10
Decimal
21528090
12
Duodecimal
7262476
16
Hexadecimal
1487e1a
20
Vigesimal
6eb04a
36
Base36
ctf6i
md5
630391b39722f8c3a459971012730feb
sha1
831adfca12f06e9b5844c39aa3059cb7984aa5e3
sha256
3b16228781a05bd906255dffd9b4cae7ce38f256551cf0db374a21c876549ee2
sha512
18850c1c5fb8c67dcf92048bfe1578f4c321cd6e2c4890f6783387b2cb3eaba9a9b5518f1f2f6b630b0d396ce607bf6e613ab25ae7e9c0cc7371c1f5adc4b940
ripemd-160
8c28d207496274f7f0384fc4e1ebec0635d9110f
Diameter
43056180
Circumference
135264978.77964
Area
1.4559983185081E+15
Volume
4.1793150454254E+22
Surface area
5.8239932740324E+15
Circumference
135264978.77964
Perimeter
86112360
Area
463458659048100
Diagonal
30445316.849989
Surface area
2780751954288600
Volume
9.9773797232668E+21
Space diagonal
37287745.669915
Perimeter
64584270
Area
2.0068348616976E+14
Altitude
18643872.834958
Surface area
2.0068348616976E+14
Volume
1.1758454767992E+21
Height
10148438.949996