20681261 is an odd 8-digits composite number following 20681260
and preceding 20681262 . In scientific notation, it is written as 2.0681261 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 19630080 positive integers (up to 20681261) that are relatively prime to 20681261.
20681261 has 8 divisors, whose sum is 21759864
The reverse of 20681261 is 16218602
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million six hundred eighty-one thousand two hundred sixty-one
Scientific notation
2.0681261 × 10^7
Engineering notation
2.0681261 × 10^6
Prime Factorization
41 × 37 × 13633
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20681261
Product of the distinct prime numbers
The prime factorization of 20681261 is 41 × 37 × 13633.
Since it has a total of 3 prime factors.
6 , 10 , 82 , 50 , 133 , 468 , 9645 , 8695 , 15989 , 16750 , 948318 , 770982 , 7737011 , 835012 , 19758658 , 89549368 , 826179859 , 23540989 , 8875385826 , 1583340836
n×2
41362522
n×3
62043783
n×4
82725044
n×5
103406305
n÷2
10340630.5
n÷3
6893753.6666667
n÷3
5170315.25
n÷5
4136252.2
n2
427714556550121
n3
8.8456763775123E+21
n4
1.8293974188487E+29
n5
3.7834245491936E+36
2 √n
4547.6654450388
3 √n
274.48945937364
4 √n
67.436380723159
5 √n
29.04794429746
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20681260
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20681261 can be divided by 8 positive divisors.
The sum of these divisors (counting 20681261) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111001001000101101
3
Ternary
1102220201100122
4
Quaternary
1032321020231
5
Quinary
20243300021
6
Senary
2015134325
8
Octal
116711055
10
Decimal
20681261
12
Duodecimal
6b143a5
16
Hexadecimal
13b922d
20
Vigesimal
695331
36
Base36
cb9rh
md5
4fee85f787f916267ce8c5a34116d959
sha1
8210b10223136c56f9b115b33282f557533c4c49
sha256
51892a0abae1cb70fc2ad81805b9bcfccaceecc81f5cf6b2a1225c188a6c4209
sha512
36c8f8d6be25af29ea6a16dadb0813cead1029d5258d7d3ee9760a4069be81cc2b3a22b8c78e48cedf7330e6d4e35f1d2c1e29d8fd4075719032b3c80156cbee
ripemd-160
e0580a24ec8ecf7de30a62019f07d0ae46801902
Diameter
41362522
Circumference
129944195.24915
Area
1.3437049086913E+15
Volume
3.7052682564834E+22
Surface area
5.3748196347651E+15
Circumference
129944195.24915
Perimeter
82725044
Area
427714556550121
Diagonal
29247719.793178
Surface area
2566287339300726
Volume
8.8456763775123E+21
Space diagonal
35820994.816593
Perimeter
62043783
Area
1.852058357704E+14
Altitude
17910497.408296
Surface area
1.852058357704E+14
Volume
1.0424729584534E+21
Height
9749239.9310593