20512478 is an even 8-digits composite number following 20512477
and preceding 20512479 . In scientific notation, it is written as 2.0512478 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 8791020 positive integers (up to 20512478) that are relatively prime to 20512478.
20512478 has 8 divisors, whose sum is 31396800
The reverse of 20512478 is 87421502
Previous prime number is 49
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million five hundred twelve thousand four hundred seventy-eight
Scientific notation
2.0512478 × 10^7
Engineering notation
2.0512478 × 10^6
Prime Factorization
2 × 49 × 209311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20512478
Product of the distinct prime numbers
The prime factorization of 20512478 is 2 × 49 × 209311.
Since it has a total of 3 prime factors.
1 , 9 , 52 , 44 , 92 , 588 , 5003 , 2505 , 59083 , 67784 , 700364 , 662201 , 9628996 , 9774207 , 62152681 , 66696854 , 849834410 , 607584386 , 351247824 , 6564963712
n×2
41024956
n×3
61537434
n×4
82049912
n×5
102562390
n÷2
10256239
n÷3
6837492.6666667
n÷3
5128119.5
n÷5
4102495.6
n2
420761753700484
n3
8.6308662160226E+21
n4
1.7704045337711E+29
n5
3.6315384050079E+36
2 √n
4529.070324029
3 √n
273.7407016434
4 √n
67.298367915047
5 √n
29.000375795633
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
-20512477
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 20512478 can be divided by 8 positive divisors.
The sum of these divisors (counting 20512478) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111111011011110
3
Ternary
1102121010211102
4
Quaternary
1032033323132
5
Quinary
20222344403
6
Senary
2011353102
8
Octal
116177336
10
Decimal
20512478
12
Duodecimal
6a52792
16
Hexadecimal
138fede
20
Vigesimal
68413i
36
Base36
c7nj2
md5
500ba2d3aac9ec34106fdeea25e0056c
sha1
f26f6e437040ace3cd62fd87b654182242c880a7
sha256
1d7b70ba607aeb9e875b1db5c08ae2a49137100353e5fecb3295614723692df3
sha512
5a467ba62ffee74e468153e115dd6d2b130aff87ff0d7f71046b08b82d930dc61bc42211295ad579e29877e35be2167d51123277bc1f50e8834314ffb55eb6a3
ripemd-160
a3d156ce2f33eb93fc003dab8f8d97bd6fce0be9
Diameter
41024956
Circumference
128883700.38344
Area
1.321862034337E+15
Volume
3.6152887864497E+22
Surface area
5.287448137348E+15
Circumference
128883700.38344
Perimeter
82049912
Area
420761753700484
Diagonal
29009024.58548
Surface area
2524570522202904
Volume
8.6308662160226E+21
Space diagonal
35528654.085139
Perimeter
61537434
Area
1.8219518382276E+14
Altitude
17764327.042569
Surface area
1.8219518382276E+14
Volume
1.0171573381439E+21
Height
9669674.8618266