20811260 is an even 8-digits composite number following 20811259
and preceding 20811261 . In scientific notation, it is written as 2.0811260 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 8324496 positive integers (up to 20811260) that are relatively prime to 20811260.
20811260 has 12 divisors, whose sum is 43703688
The reverse of 20811260 is 06211802
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million eight hundred eleven thousand two hundred sixty
Scientific notation
2.0811260 × 10^7
Engineering notation
2.0811260 × 10^6
Prime Factorization
2 × 2 × 5 × 1040563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10405630
Product of the distinct prime numbers
The prime factorization of 20811260 is 2 × 2 × 5 × 1040563.
Since it has a total of 4 prime factors.
4 , 3 , 12 , 22 , 358 , 313 , 6682 , 6086 , 71010 , 99616 , 379731 , 776496 , 9474862 , 1906976 , 62196270 , 98771401 , 222441208 , 805264166 , 2644417499 , 3088735530
n×2
41622520
n×3
62433780
n×4
83245040
n×5
104056300
n÷2
10405630
n÷3
6937086.6666667
n÷3
5202815
n÷5
4162252
n2
433108542787600
n3
9.0135344921739E+21
n4
1.875830098356E+29
n5
3.9038387892712E+36
2 √n
4561.9359925365
3 √n
275.06339034542
4 √n
67.542105330945
5 √n
29.084370942094
1 , 2 , 4 , 5 , 10 , 20 , 1040563 , 2081126 , 4162252 , 5202815 , 10405630 , 20811260
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20811259
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20811260 can be divided by 12 positive divisors.
The sum of these divisors (counting 20811260) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111011000110111111100
3
Ternary
1110011022200102
4
Quaternary
1033120313330
5
Quinary
20311430020
6
Senary
2022020232
8
Octal
117306774
10
Decimal
20811260
12
Duodecimal
6b77678
16
Hexadecimal
13d8dfc
20
Vigesimal
6a1830
36
Base36
ce22k
md5
b288d3e80f6a96ca75683c9a86e0e6d4
sha1
e089020e3592fdc4269f993fe7335818dfeb89a6
sha256
d83574d3546a49cac7cfb22d70324802f37f50bd0c1a01d2327429656306a5fa
sha512
d6483e08c2c23a894c0f31e3964722f31c34a547adfb3e6c0a2f3d88c4f3a9e4d0a6631041a7982c1140460cd16a20e11ef4ddfc927ad9e0058fe255aec1c9e0
ripemd-160
f51d1eba416a1bae4cf16e70d39aae1a0552283d
Diameter
41622520
Circumference
130761003.05589
Area
1.3606506162285E+15
Volume
3.7755804991322E+22
Surface area
5.442602464914E+15
Circumference
130761003.05589
Perimeter
83245040
Area
433108542787600
Diagonal
29431566.142073
Surface area
2598651256725600
Volume
9.0135344921739E+21
Space diagonal
36046159.689526
Perimeter
62433780
Area
1.8754150032506E+14
Altitude
18023079.844763
Surface area
1.8754150032506E+14
Volume
1.0622552269792E+21
Height
9810522.0473576