21081552 is an even 8-digits composite number following 21081551
and preceding 21081553 . In scientific notation, it is written as 2.1081552 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors.
There are 7027168 positive integers (up to 21081552) that are relatively prime to 21081552.
21081552 has 20 divisors, whose sum is 54460800
The reverse of 21081552 is 25518012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million eighty-one thousand five hundred fifty-two
Scientific notation
2.1081552 × 10^7
Engineering notation
2.1081552 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 439199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2635194
Product of the distinct prime numbers
The prime factorization of 21081552 is 2 × 2 × 2 × 2 × 3 × 439199.
Since it has a total of 6 prime factors.
2 , 6 , 6 , 49 , 55 , 578 , 4905 , 5125 , 67865 , 20727 , 379449 , 851208 , 6205743 , 5015213 , 80073660 , 51680800 , 293509338 , 178109768 , 2269659134 , 5441134488
n×2
42163104
n×3
63244656
n×4
84326208
n×5
105407760
n÷2
10540776
n÷3
7027184
n÷3
5270388
n÷5
4216310.4
n2
444431834728704
n3
9.3693128342886E+21
n4
1.9751965572032E+29
n5
4.1640208930901E+36
2 √n
4591.4651256434
3 √n
276.24909249444
4 √n
67.760350690086
5 √n
29.15952975513
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 439199 , 878398 , 1317597 , 1756796 , 2635194 , 3513592 , 5270388 , 7027184 , 10540776 , 21081552
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
-21081551
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 21081552 can be divided by 20 positive divisors.
The sum of these divisors (counting 21081552) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000011010110111010000
3
Ternary
1110200001110020
4
Quaternary
1100122313100
5
Quinary
20344102202
6
Senary
2031503440
8
Octal
120326720
10
Decimal
21081552
12
Duodecimal
7087b80
16
Hexadecimal
141add0
20
Vigesimal
6bf3hc
36
Base36
cjumo
md5
846f614f1d1b0c1a232df66473156efd
sha1
53cac6017a3fdabd92dfc5a457864d821f9cf0a9
sha256
e5030c05c9ca4ebd07987934d3e69b13282019c62e45985928b3f0241e13e8b7
sha512
ee879fd25d7c9c34fe0281bdaa8b09d75105d2a132c41f8c1794d083b3acda35e169b17553c7a540dbc5fe5e1de5f01eae0b1d55a2eed633a63b3da34d416f07
ripemd-160
16b7a76c64de20f736ce4e0165385d55b5b5a55c
Diameter
42163104
Circumference
132459297.77894
Area
1.3962237870051E+15
Volume
3.9246085825847E+22
Surface area
5.5848951480205E+15
Circumference
132459297.77894
Perimeter
84326208
Area
444431834728704
Diagonal
29813816.754274
Surface area
2666591008372224
Volume
9.3693128342886E+21
Space diagonal
36514319.166405
Perimeter
63244656
Area
1.9244462956279E+14
Altitude
18257159.583203
Surface area
1.9244462956279E+14
Volume
1.1041841066973E+21
Height
9937938.9180912