20512784 is an even 8-digits composite number following 20512783
and preceding 20512785 . In scientific notation, it is written as 2.0512784 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 10149888 positive integers (up to 20512784) that are relatively prime to 20512784.
20512784 has 20 divisors, whose sum is 40156284
The reverse of 20512784 is 48721502
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million five hundred twelve thousand seven hundred eighty-four
Scientific notation
2.0512784 × 10^7
Engineering notation
2.0512784 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 97 × 13217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2564098
Product of the distinct prime numbers
The prime factorization of 20512784 is 2 × 2 × 2 × 2 × 97 × 13217.
Since it has a total of 6 prime factors.
1 , 3 , 30 , 15 , 868 , 990 , 1917 , 1160 , 4316 , 27506 , 964070 , 24208 , 5429533 , 6221259 , 12119373 , 31801722 , 710306505 , 416548874 , 3059683108 , 7688192764
n×2
41025568
n×3
61538352
n×4
82051136
n×5
102563920
n÷2
10256392
n÷3
6837594.6666667
n÷3
5128196
n÷5
4102556.8
n2
420774307430656
n3
8.6312524810746E+21
n4
1.7705101779375E+29
n5
3.6318092849833E+36
2 √n
4529.1041056703
3 √n
273.742062835
4 √n
67.298618898684
5 √n
29.000462319183
1 , 2 , 4 , 8 , 16 , 97 , 194 , 388 , 776 , 1552 , 13217 , 26434 , 52868 , 105736 , 211472 , 1282049 , 2564098 , 5128196 , 10256392 , 20512784
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20512783
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20512784 can be divided by 20 positive divisors.
The sum of these divisors (counting 20512784) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110010000000000010000
3
Ternary
1102121011020202
4
Quaternary
1032100000100
5
Quinary
20222402114
6
Senary
2011354332
8
Octal
116200020
10
Decimal
20512784
12
Duodecimal
6a529a8
16
Hexadecimal
1390010
20
Vigesimal
6841j4
36
Base36
c7nrk
md5
e1760df299c726fdea43f5e5d5355740
sha1
761c147d68cca8195714bdaf2bf9b0cb073310b1
sha256
89b778299951def56e51de950142b2e63dfbec5bb46a2bc76ece9c20c7a4e7f2
sha512
9af0320f9d3159de0917fb967e314da3606dddcabf9d5f5564071ce51d288f12570d999b3370b524a2ca9dabee928d8299eaff173917bfa8cbb5d6049329b65a
ripemd-160
acfbb922da47f0bc9c210e32033221b80fa863bc
Diameter
41025568
Circumference
128885623.03815
Area
1.3219014730435E+15
Volume
3.6154505847764E+22
Surface area
5.2876058921739E+15
Circumference
128885623.03815
Perimeter
82051136
Area
420774307430656
Diagonal
29009457.33483
Surface area
2524645844583936
Volume
8.6312524810746E+21
Space diagonal
35529184.092686
Perimeter
61538352
Area
1.8220061974738E+14
Altitude
17764592.046343
Surface area
1.8220061974738E+14
Volume
1.0172028599168E+21
Height
9669819.1116099