20681444 is an even 8-digits composite number following 20681443
and preceding 20681445 . In scientific notation, it is written as 2.0681444 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 8863464 positive integers (up to 20681444) that are relatively prime to 20681444.
20681444 has 12 divisors, whose sum is 41362944
The reverse of 20681444 is 44418602
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million six hundred eighty-one thousand four hundred forty-four
Scientific notation
2.0681444 × 10^7
Engineering notation
2.0681444 × 10^6
Prime Factorization
2 × 2 × 7 × 738623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10340722
Product of the distinct prime numbers
The prime factorization of 20681444 is 2 × 2 × 7 × 738623.
Since it has a total of 4 prime factors.
2 , 3 , 21 , 92 , 876 , 499 , 8617 , 9906 , 57482 , 76978 , 858264 , 366606 , 6542314 , 5888562 , 97513651 , 71594940 , 803374400 , 580250490 , 7960395728 , 1853144470
n×2
41362888
n×3
62044332
n×4
82725776
n×5
103407220
n÷2
10340722
n÷3
6893814.6666667
n÷3
5170361
n÷5
4136288.8
n2
427722125925136
n3
8.8459111948816E+21
n4
1.8294621700592E+29
n5
3.7835919420197E+36
2 √n
4547.6855652079
3 √n
274.49026898615
4 √n
67.436529901885
5 √n
29.047995703949
1 , 2 , 4 , 7 , 14 , 28 , 738623 , 1477246 , 2954492 , 5170361 , 10340722 , 20681444
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
-20681443
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 20681444 can be divided by 12 positive divisors.
The sum of these divisors (counting 20681444) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111001001011100100
3
Ternary
1102220201121102
4
Quaternary
1032321023210
5
Quinary
20243301234
6
Senary
2015135232
8
Octal
116711344
10
Decimal
20681444
12
Duodecimal
6b14518
16
Hexadecimal
13b92e4
20
Vigesimal
6953c4
36
Base36
cb9wk
md5
1a97e8fc72cc27ab52025c7a6bcbb501
sha1
ae817e8a6767cf8dc67154edde78cda4e0fb5210
sha256
e59cc51fe2fe0515de782eb1ebfd0cae646bd5b37b7712e6971e802c9fc56cc6
sha512
bf87521c1ca4bf39e3860aad1616ae2bed6c31055c78c1f8f86023085751a48ef2ae655b74c7a1240844f23f77d875e27c635e6aa62816e399f232b138a78feb
ripemd-160
00135df298b1caf8a40a0442e5d33115d5e8f63e
Diameter
41362888
Circumference
129945345.07206
Area
1.3437286885842E+15
Volume
3.7053666165531E+22
Surface area
5.3749147543369E+15
Circumference
129945345.07206
Perimeter
82725776
Area
427722125925136
Diagonal
29247978.59426
Surface area
2566332755550816
Volume
8.8459111948816E+21
Space diagonal
35821311.781891
Perimeter
62044332
Area
1.8520911340593E+14
Altitude
17910655.890945
Surface area
1.8520911340593E+14
Volume
1.0425006319458E+21
Height
9749326.1980866