21568755 is an odd 8-digits composite number following 21568754
and preceding 21568756 . In scientific notation, it is written as 2.1568755 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 10618368 positive integers (up to 21568755) that are relatively prime to 21568755.
21568755 has 16 divisors, whose sum is 37164960
The reverse of 21568755 is 55786512
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million five hundred sixty-eight thousand seven hundred fifty-five
Scientific notation
2.1568755 × 10^7
Engineering notation
2.1568755 × 10^6
Prime Factorization
3 × 5 × 13 × 110609
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21568755
Product of the distinct prime numbers
The prime factorization of 21568755 is 3 × 5 × 13 × 110609.
Since it has a total of 4 prime factors.
3 , 4 , 87 , 58 , 461 , 477 , 16 , 9390 , 36542 , 65223 , 526864 , 635579 , 6063372 , 5424380 , 68580089 , 25756489 , 572713502 , 220105097 , 9107454569 , 60929027
n×2
43137510
n×3
64706265
n×4
86275020
n×5
107843775
n÷2
10784377.5
n÷3
7189585
n÷3
5392188.75
n÷5
4313751
n2
465211192250025
n3
1.0034026228899E+22
n4
2.1642145339469E+29
n5
4.667941305014E+36
2 √n
4644.2173721737
3 √n
278.36098147268
4 √n
68.148495010335
5 √n
29.293078502383
1 , 3 , 5 , 13 , 15 , 39 , 65 , 195 , 110609 , 331827 , 553045 , 1437917 , 1659135 , 4313751 , 7189585 , 21568755
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
-21568754
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 21568755 can be divided by 16 positive divisors.
The sum of these divisors (counting 21568755) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010010001110011110011
3
Ternary
1111120210202210
4
Quaternary
1102101303303
5
Quinary
21010200010
6
Senary
2050143203
8
Octal
122216363
10
Decimal
21568755
12
Duodecimal
7281b03
16
Hexadecimal
1491cf3
20
Vigesimal
6eg1hf
36
Base36
cuak3
md5
a4021e06a5b0b7e93afc62ed8663d235
sha1
1f269e75c7c13f6b4ca697ad87721a1c74fcc97f
sha256
af3c1257e7d334f2d3adbbb759c6a5b3d951b2967562d91bcc5ef8d60701056b
sha512
84195e8875b38881509a5161cacb43f3696fd45ef855b277f1ef50d9b5d5c705746e5ca259b148f8cea65eb3b3edffb288fcaadf80aa1765829774b52cbd844b
ripemd-160
9f3f963621cf5b5b6f0c39c1c57a9a87c1d5052a
Diameter
43137510
Circumference
135520484.51016
Area
1.4615040639404E+15
Volume
4.2030430782181E+22
Surface area
5.8460162557617E+15
Circumference
135520484.51016
Perimeter
86275020
Area
465211192250025
Diagonal
30502825.844503
Surface area
2791267153500150
Volume
1.0034026228899E+22
Space diagonal
37358179.516005
Perimeter
64706265
Area
2.0144235530668E+14
Altitude
18679089.758003
Surface area
2.0144235530668E+14
Volume
1.1825213315097E+21
Height
10167608.614834