21804768 is an even 8-digits composite number following 21804767
and preceding 21804769 . In scientific notation, it is written as 2.1804768 × 10^7.
The sum of its digits is 36. It has a total of 7 prime factors and 24 positive divisors.
There are 7267968 positive integers (up to 21804768) that are relatively prime to 21804768.
21804768 has 24 divisors, whose sum is 44519832
The reverse of 21804768 is 86740812
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million eight hundred four thousand seven hundred sixty-eight
Scientific notation
2.1804768 × 10^7
Engineering notation
2.1804768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 27 × 25237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1362798
Product of the distinct prime numbers
The prime factorization of 21804768 is 2 × 2 × 2 × 2 × 2 × 27 × 25237.
Since it has a total of 7 prime factors.
1 , 4 , 29 , 33 , 715 , 665 , 7080 , 5899 , 41928 , 78397 , 16143 , 189607 , 3302630 , 9398237 , 29115870 , 92747175 , 368410264 , 567543049 , 8891787491 , 962834653
n×2
43609536
n×3
65414304
n×4
87219072
n×5
109023840
n÷2
10902384
n÷3
7268256
n÷3
5451192
n÷5
4360953.6
n2
475447907533824
n3
1.036703131986E+22
n4
2.2605071277829E+29
n5
4.9289833483653E+36
2 √n
4669.5575807564
3 √n
279.37260887103
4 √n
68.334161154992
5 √n
29.356906797518
1 , 2 , 4 , 8 , 16 , 27 , 32 , 54 , 108 , 216 , 432 , 864 , 25237 , 50474 , 100948 , 201896 , 403792 , 681399 , 807584 , 1362798 , 2725596 , 5451192 , 10902384 , 21804768
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21804767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21804768 can be divided by 24 positive divisors.
The sum of these divisors (counting 21804768) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011001011011011100000
3
Ternary
1112000210112000
4
Quaternary
1103023123200
5
Quinary
21040223033
6
Senary
2055204000
8
Octal
123133340
10
Decimal
21804768
12
Duodecimal
7376600
16
Hexadecimal
14cb6e0
20
Vigesimal
6g5bi8
36
Base36
czco0
md5
2d32d2edc15121d952be53f8e044dbe5
sha1
c489b118f76851a07e49aee2a33a0f9d7da09685
sha256
db4569bc32b4a30b37127cfded9a11e4ce99cc3c95d55de1fc1101540a00bfd9
sha512
492ee4d2ee3d92125939f09ad9b707a64be0d2a29366cf87df486bdc6dd8ec84327854a4ee5cace1923119cc4d17241b6336be296b04ff6c9a7bad239ddddc55
ripemd-160
1d44e4d48d2d756d0cb27597ff5869783b173013
Diameter
43609536
Circumference
137003397.92406
Area
1.4936636534729E+15
Volume
4.3425319245345E+22
Surface area
5.9746546138916E+15
Circumference
137003397.92406
Perimeter
87219072
Area
475447907533824
Diagonal
30836598.629999
Surface area
2852687445202944
Volume
1.036703131986E+22
Space diagonal
37766966.023252
Perimeter
65414304
Area
2.0587498305022E+14
Altitude
18883483.011626
Surface area
2.0587498305022E+14
Volume
1.2217663578411E+21
Height
10278866.21