21505552 is an even 8-digits composite number following 21505551
and preceding 21505553 . In scientific notation, it is written as 2.1505552 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors.
There are 10285088 positive integers (up to 21505552) that are relatively prime to 21505552.
21505552 has 20 divisors, whose sum is 43479360
The reverse of 21505552 is 25550512
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million five hundred five thousand five hundred fifty-two
Scientific notation
2.1505552 × 10^7
Engineering notation
2.1505552 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 23 × 58439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2688194
Product of the distinct prime numbers
The prime factorization of 21505552 is 2 × 2 × 2 × 2 × 23 × 58439.
Since it has a total of 6 prime factors.
1 , 10 , 79 , 66 , 217 , 660 , 7487 , 4738 , 73006 , 99928 , 36443 , 473722 , 6873797 , 2299561 , 55991025 , 14411625 , 455919222 , 305441284 , 2111632263 , 6889796860
n×2
43011104
n×3
64516656
n×4
86022208
n×5
107527760
n÷2
10752776
n÷3
7168517.3333333
n÷3
5376388
n÷5
4301110.4
n2
462488766824704
n3
9.9460762243645E+21
n4
2.1389585943904E+29
n5
4.5999485277509E+36
2 √n
4637.4078966595
3 √n
278.08882140189
4 √n
68.098516112023
5 √n
29.275890821948
1 , 2 , 4 , 8 , 16 , 23 , 46 , 92 , 184 , 368 , 58439 , 116878 , 233756 , 467512 , 935024 , 1344097 , 2688194 , 5376388 , 10752776 , 21505552
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21505551
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21505552 can be divided by 20 positive divisors.
The sum of these divisors (counting 21505552) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010010000010011000010000
3
Ternary
1111110121001221
4
Quaternary
1102002120100
5
Quinary
21001134202
6
Senary
2044534424
8
Octal
122023020
10
Decimal
21505552
12
Duodecimal
7251414
16
Hexadecimal
1482610
20
Vigesimal
6e83hc
36
Base36
csxsg
md5
d5595bf9cc0900c96a87bb52a40c233d
sha1
cf05994b88cf60a2449b10195bb4fba83dd1a351
sha256
90eddd1c52267e6578d50a1d950e6f699b571869f1dac6949fa9126df77620f6
sha512
6a47a2c261c03f96fa9aa77007e92cf63de88818f7b5719e6c305416e6daac0431e0ba294a3e22accb6a07b5ab2aaf6b14769b42f72751f2da9734c6c5ab80d8
ripemd-160
216f3e416a4b00801442e640c05a5569857c6557
Diameter
43011104
Circumference
135123368.34919
Area
1.4529513122243E+15
Volume
4.1662026664677E+22
Surface area
5.8118052488972E+15
Circumference
135123368.34919
Perimeter
86022208
Area
462488766824704
Diagonal
30413443.30472
Surface area
2774932600948224
Volume
9.9460762243645E+21
Space diagonal
37248708.708814
Perimeter
64516656
Area
2.0026351051757E+14
Altitude
18624354.354407
Surface area
2.0026351051757E+14
Volume
1.1721563240744E+21
Height
10137814.434907