21005504 is an even 8-digits composite number following 21005503
and preceding 21005505 . In scientific notation, it is written as 2.1005504 × 10^7.
The sum of its digits is 17. It has a total of 8 prime factors and 28 positive divisors.
There are 9694464 positive integers (up to 21005504) that are relatively prime to 21005504.
21005504 has 28 divisors, whose sum is 44890944
The reverse of 21005504 is 40550012
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million five thousand five hundred four
Scientific notation
2.1005504 × 10^7
Engineering notation
2.1005504 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 13 × 25247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
656422
Product of the distinct prime numbers
The prime factorization of 21005504 is 2 × 2 × 2 × 2 × 2 × 2 × 13 × 25247.
Since it has a total of 8 prime factors.
5 , 6 , 59 , 12 , 784 , 474 , 5545 , 1061 , 81319 , 52874 , 713701 , 158803 , 9411457 , 4426341 , 63805139 , 66282140 , 920261894 , 770714842 , 7017106957 , 89520809
n×2
42011008
n×3
63016512
n×4
84022016
n×5
105027520
n÷2
10502752
n÷3
7001834.6666667
n÷3
5251376
n÷5
4201100.8
n2
441231198294016
n3
9.2682837006897E+21
n4
1.9468497034797E+29
n5
4.0894559233842E+36
2 √n
4583.1761912455
3 √n
275.91651889559
4 √n
67.699159457452
5 √n
29.138461756026
1 , 2 , 4 , 8 , 13 , 16 , 26 , 32 , 52 , 64 , 104 , 208 , 416 , 832 , 25247 , 50494 , 100988 , 201976 , 328211 , 403952 , 656422 , 807904 , 1312844 , 1615808 , 2625688 , 5251376 , 10502752 , 21005504
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21005503
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21005504 can be divided by 28 positive divisors.
The sum of these divisors (counting 21005504) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1010000001000010011000000
3
Ternary
1110112012010122
4
Quaternary
1100020103000
5
Quinary
20334134004
6
Senary
2030115412
8
Octal
120102300
10
Decimal
21005504
12
Duodecimal
704bb68
16
Hexadecimal
14084c0
20
Vigesimal
6b5df4
36
Base36
ci7y8
md5
74a24cc3997ce51c5cd4bb1727db9b23
sha1
26d2b101e16af869d78fed88720cd9406acf3353
sha256
9e84d7518e127006aa1d8b261cdf2360e20670b15541e37537f4330c6ead9b9e
sha512
bf1a5e7a2cd9db957fb0d409566302161f9090f6a62a2416a57d7dc3812825cfd1d87c6b8b7ba64d7c71caae36b688c0c114a2cfab8d8e7ea0662f5eff020e4b
ripemd-160
1d7f390be70d5cd66858ed3013b7be71115fbf59
Diameter
42011008
Circumference
131981474.1027
Area
1.3861686910951E+15
Volume
3.8822895980631E+22
Surface area
5.5446747643804E+15
Circumference
131981474.1027
Perimeter
84022016
Area
441231198294016
Diagonal
29706268.641282
Surface area
2647387189764096
Volume
9.2682837006897E+21
Space diagonal
36382600.166591
Perimeter
63016512
Area
1.9105871333243E+14
Altitude
18191300.083296
Surface area
1.9105871333243E+14
Volume
1.0922777091197E+21
Height
9902089.5470941