21552009 is an odd 8-digits composite number following 21552008
and preceding 21552010 . In scientific notation, it is written as 2.1552009 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 14171040 positive integers (up to 21552009) that are relatively prime to 21552009.
21552009 has 8 divisors, whose sum is 29129952
The reverse of 21552009 is 90025512
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million five hundred fifty-two thousand nine
Scientific notation
2.1552009 × 10^7
Engineering notation
2.1552009 × 10^6
Prime Factorization
3 × 73 × 98411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21552009
Product of the distinct prime numbers
The prime factorization of 21552009 is 3 × 73 × 98411.
Since it has a total of 3 prime factors.
6 , 2 , 52 , 9 , 684 , 629 , 1568 , 2088 , 59716 , 3813 , 78844 , 698613 , 499233 , 7950907 , 17795423 , 26408116 , 665998372 , 921379153 , 3467978693 , 8137077634
n×2
43104018
n×3
64656027
n×4
86208036
n×5
107760045
n÷2
10776004.5
n÷3
7184003
n÷3
5388002.25
n÷5
4310401.8
n2
464489091936081
n3
1.0010673089808E+22
n4
2.1575011652761E+29
n5
4.649848453154E+36
2 √n
4642.4141349087
3 √n
278.28892291859
4 √n
68.135263519771
5 √n
29.288528454813
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
-21552008
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 21552009 can be divided by 8 positive divisors.
The sum of these divisors (counting 21552009) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010001101101110001001
3
Ternary
1111112221210120
4
Quaternary
1102031232021
5
Quinary
21004131014
6
Senary
2045533453
8
Octal
122155611
10
Decimal
21552009
12
Duodecimal
7274289
16
Hexadecimal
148db89
20
Vigesimal
6ee009
36
Base36
ctxmx
md5
dd0cc5e1553e6f96f2a974ad25b7e511
sha1
915769d78faea7a19a7f59c60a44d87554308e59
sha256
2b5844767fd3429de28539fd13f9fe7a2f8e6b6082a7e2f6df9d42de4a1c2636
sha512
f1744952ef27e8c45b7908c57db07a98e2af025184cf25970b62245400fec80cfe8c3fefe092e213391cf229e711a20e385c24c0a49b5d2fc4367b30f9ce6997
ripemd-160
77082c7971c15e297b3b469d325214a07a708b7d
Diameter
43104018
Circumference
135415266.289
Area
1.459235518899E+15
Volume
4.1932609381907E+22
Surface area
5.8369420755959E+15
Circumference
135415266.289
Perimeter
86208036
Area
464489091936081
Diagonal
30479143.424187
Surface area
2786934551616486
Volume
1.0010673089808E+22
Space diagonal
37329174.593182
Perimeter
64656027
Area
2.0112967669871E+14
Altitude
18664587.296591
Surface area
2.0112967669871E+14
Volume
1.1797691376742E+21
Height
10159714.474729