20681512 is an even 8-digits composite number following 20681511
and preceding 20681513 . In scientific notation, it is written as 2.0681512 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 10318896 positive integers (up to 20681512) that are relatively prime to 20681512.
20681512 has 16 divisors, whose sum is 38859840
The reverse of 20681512 is 21518602
Previous prime number is 523
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million six hundred eighty-one thousand five hundred twelve
Scientific notation
2.0681512 × 10^7
Engineering notation
2.0681512 × 10^6
Prime Factorization
2 × 2 × 2 × 523 × 4943
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5170378
Product of the distinct prime numbers
The prime factorization of 20681512 is 2 × 2 × 2 × 523 × 4943.
Since it has a total of 5 prime factors.
4 , 9 , 11 , 81 , 685 , 973 , 3314 , 7914 , 88348 , 40436 , 50688 , 846915 , 5199131 , 486770 , 10286947 , 63638947 , 757204315 , 96903154 , 7759820323 , 3547915310
n×2
41363024
n×3
62044536
n×4
82726048
n×5
103407560
n÷2
10340756
n÷3
6893837.3333333
n÷3
5170378
n÷5
4136302.4
n2
427724938606144
n3
8.8459984504822E+21
n4
1.8294862310563E+29
n5
3.7836541441426E+36
2 √n
4547.6930415322
3 √n
274.49056982456
4 √n
67.436585334165
5 √n
29.04801480572
1 , 2 , 4 , 8 , 523 , 1046 , 2092 , 4184 , 4943 , 9886 , 19772 , 39544 , 2585189 , 5170378 , 10340756 , 20681512
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
-20681511
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 20681512 can be divided by 16 positive divisors.
The sum of these divisors (counting 20681512) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111001001100101000
3
Ternary
1102220201200221
4
Quaternary
1032321030220
5
Quinary
20243302022
6
Senary
2015135424
8
Octal
116711450
10
Decimal
20681512
12
Duodecimal
6b14574
16
Hexadecimal
13b9328
20
Vigesimal
6953fc
36
Base36
cb9yg
md5
73f3b96a3a06861f4352435023d291f4
sha1
857dfb1427b933ee9814072cadd1d52be80235b1
sha256
d9468d5b68ef7f2b273dd932d6c6218b411e7a44d43eda8050b5c2e3c68e7d40
sha512
8d61a01f58ceb98496a719e8009fe116dcdc40e818fcdf76c1e5c26a74ddab06acc2f8322c3347ff71dc18ff816c4736a8a9a0ce0077beff975607764f8953a0
ripemd-160
426bfa3ec0aae21f14b6b8485f1ac9d9a4ddf5cb
Diameter
41363024
Circumference
129945772.32866
Area
1.3437375248822E+15
Volume
3.7054031660936E+22
Surface area
5.3749500995288E+15
Circumference
129945772.32866
Perimeter
82726048
Area
427724938606144
Diagonal
29248074.760782
Surface area
2566349631636864
Volume
8.8459984504822E+21
Space diagonal
35821429.561345
Perimeter
62044536
Area
1.8521033133253E+14
Altitude
17910714.780673
Surface area
1.8521033133253E+14
Volume
1.0425109151169E+21
Height
9749358.253594