20681511 is an odd 8-digits composite number following 20681510
and preceding 20681512 . In scientific notation, it is written as 2.0681511 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13775160 positive integers (up to 20681511) that are relatively prime to 20681511.
20681511 has 8 divisors, whose sum is 27600384
The reverse of 20681511 is 11518602
Previous prime number is 1427
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million six hundred eighty-one thousand five hundred eleven
Scientific notation
2.0681511 × 10^7
Engineering notation
2.0681511 × 10^6
Prime Factorization
3 × 1427 × 4831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20681511
Product of the distinct prime numbers
The prime factorization of 20681511 is 3 × 1427 × 4831.
Since it has a total of 3 prime factors.
10 , 5 , 97 , 89 , 674 , 619 , 669 , 5147 , 74609 , 90610 , 285803 , 823833 , 338921 , 9251587 , 81688619 , 53452746 , 191584385 , 380498444 , 7146249739 , 1808932917
n×2
41363022
n×3
62044533
n×4
82726044
n×5
103407555
n÷2
10340755.5
n÷3
6893837
n÷3
5170377.75
n÷5
4136302.2
n2
427724897243121
n3
8.8459971673075E+21
n4
1.8294858772164E+29
n5
3.7836532293995E+36
2 √n
4547.6929315863
3 √n
274.49056540047
4 √n
67.436584518986
5 √n
29.048014524812
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
-20681510
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 20681511 can be divided by 8 positive divisors.
The sum of these divisors (counting 20681511) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111001001100100111
3
Ternary
1102220201200220
4
Quaternary
1032321030213
5
Quinary
20243302021
6
Senary
2015135423
8
Octal
116711447
10
Decimal
20681511
12
Duodecimal
6b14573
16
Hexadecimal
13b9327
20
Vigesimal
6953fb
36
Base36
cb9yf
md5
60114b68a84dbeaf308f23500c3e85bc
sha1
853b797f74180fdd84697ff3440333f643d62bb8
sha256
2f8db8bc0a9911f3e1ba851dc182c0d1a6f7f44f9f2b36018903f6b0bd100bcc
sha512
a74f8f2ae8e20a2fb32573963ca125e5cc9c8fc04e5fc8142d794639490f6dfb36fe5919b13b0c2d7508d877e13a40dfb087b6c9cdf90542c67bfeee1c98e893
ripemd-160
76f4393e586409fb560ec507bab93c65a472e208
Diameter
41363022
Circumference
129945766.04547
Area
1.3437373949364E+15
Volume
3.7054026285986E+22
Surface area
5.3749495797458E+15
Circumference
129945766.04547
Perimeter
82726044
Area
427724897243121
Diagonal
29248073.346568
Surface area
2566349383458726
Volume
8.8459971673075E+21
Space diagonal
35821427.829295
Perimeter
62044533
Area
1.8521031342182E+14
Altitude
17910713.914647
Surface area
1.8521031342182E+14
Volume
1.0425107638934E+21
Height
9749357.7821895