20512481 is an odd 8-digits composite number following 20512480
and preceding 20512482 . In scientific notation, it is written as 2.0512481 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 17836720 positive integers (up to 20512481) that are relatively prime to 20512481.
20512481 has 8 divisors, whose sum is 23350464
The reverse of 20512481 is 18421502
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million five hundred twelve thousand four hundred eighty-one
Scientific notation
2.0512481 × 10^7
Engineering notation
2.0512481 × 10^6
Prime Factorization
11 × 23 × 81077
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20512481
Product of the distinct prime numbers
The prime factorization of 20512481 is 11 × 23 × 81077.
Since it has a total of 3 prime factors.
6 , 6 , 55 , 78 , 999 , 446 , 4995 , 994 , 38829 , 96035 , 283480 , 402223 , 8362399 , 5142837 , 30117953 , 90458950 , 729998226 , 68504604 , 8228765592 , 3990024840
n×2
41024962
n×3
61537443
n×4
82049924
n×5
102562405
n÷2
10256240.5
n÷3
6837493.6666667
n÷3
5128120.25
n÷5
4102496.2
n2
420761876775361
n3
8.6308700028789E+21
n4
1.7704055694752E+29
n5
3.6315410606155E+36
2 √n
4529.0706552228
3 √n
273.74071498848
4 √n
67.298370375684
5 √n
29.000376643908
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
-20512480
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 20512481 can be divided by 8 positive divisors.
The sum of these divisors (counting 20512481) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111111011100001
3
Ternary
1102121010211112
4
Quaternary
1032033323201
5
Quinary
20222344411
6
Senary
2011353105
8
Octal
116177341
10
Decimal
20512481
12
Duodecimal
6a52795
16
Hexadecimal
138fee1
20
Vigesimal
684141
36
Base36
c7nj5
md5
5e8133666d4e3b3f550129511f486498
sha1
3f1d7c64ec19b60bf15027b9d3f4729f031e86bd
sha256
c3b9d0065cff8066db35c216d3a1d9e9a2ae253bef0d3314dcc121cb058fec46
sha512
b90a7fac8d39de48b74ea474c26de8b0ae5d8f163ddf90802bce30e5a9b448ed5d824174ab7d344418c5def2b1bb49214c4ac6c0961a7fd4246aef6fd776c2f0
ripemd-160
c8aaa9f86efe48a57cf5fde38bbc84b3aa4e5810
Diameter
41024962
Circumference
128883719.233
Area
1.3218624209881E+15
Volume
3.6152903726844E+22
Surface area
5.2874496839525E+15
Circumference
128883719.233
Perimeter
82049924
Area
420761876775361
Diagonal
29009028.82812
Surface area
2524571260652166
Volume
8.6308700028789E+21
Space diagonal
35528659.281291
Perimeter
61537443
Area
1.8219523711574E+14
Altitude
17764329.640646
Surface area
1.8219523711574E+14
Volume
1.0171577844292E+21
Height
9669676.2760401