21536490 is an even 8-digits composite number following 21536489
and preceding 21536491 . In scientific notation, it is written as 2.1536490 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5743056 positive integers (up to 21536490) that are relatively prime to 21536490.
21536490 has 16 divisors, whose sum is 51687648
The reverse of 21536490 is 09463512
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred thirty-six thousand four hundred ninety
Scientific notation
2.1536490 × 10^7
Engineering notation
2.1536490 × 10^6
Prime Factorization
2 × 3 × 5 × 717883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21536490
Product of the distinct prime numbers
The prime factorization of 21536490 is 2 × 3 × 5 × 717883.
Since it has a total of 4 prime factors.
7 , 1 , 27 , 48 , 60 , 744 , 5179 , 4171 , 59510 , 89787 , 49868 , 210122 , 8551949 , 6134370 , 64564222 , 59477255 , 500127040 , 349393298 , 5667386883 , 6969037226
n×2
43072980
n×3
64609470
n×4
86145960
n×5
107682450
n÷2
10768245
n÷3
7178830
n÷3
5384122.5
n÷5
4307298
n2
463820401520100
n3
9.9890634391336E+21
n4
2.1512936486627E+29
n5
4.6331314151487E+36
2 √n
4640.742397505
3 √n
278.22211085144
4 √n
68.122994631071
5 √n
29.284309269056
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 717883 , 1435766 , 2153649 , 3589415 , 4307298 , 7178830 , 10768245 , 21536490
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
-21536489
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 21536490 can be divided by 16 positive divisors.
The sum of these divisors (counting 21536490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001001111011101010
3
Ternary
1111112011111210
4
Quaternary
1102021323222
5
Quinary
21003131430
6
Senary
2045333550
8
Octal
122117352
10
Decimal
21536490
12
Duodecimal
72672b6
16
Hexadecimal
1489eea
20
Vigesimal
6ec14a
36
Base36
ctlnu
md5
d8c91f75c84166a2b3218ba496a8ada3
sha1
18f74ba3749157becd207b01fc56562a3b2c979d
sha256
2dbb4b36755a25334c9f0299059fc6dfaac707f7f888b138797db50a1da1a554
sha512
a0391ed6f60438467407c7ea3b77ea9dc230ee6903056e383ffceb2a17b31e5a4478fd4f158769d4df1eeddf99bda45825468d9d15d17215dd8763617bf5bee6
ripemd-160
c36260b686608f3a8f23fe9d07af36f0935ba145
Diameter
43072980
Circumference
135317757.53622
Area
1.4571347660006E+15
Volume
4.1842091088833E+22
Surface area
5.8285390640025E+15
Circumference
135317757.53622
Perimeter
86145960
Area
463820401520100
Diagonal
30457196.243913
Surface area
2782922409120600
Volume
9.9890634391336E+21
Space diagonal
37302294.896699
Perimeter
64609470
Area
2.0084012525495E+14
Altitude
18651147.44835
Surface area
2.0084012525495E+14
Volume
1.177222415919E+21
Height
10152398.747971