20784490 is an even 8-digits composite number following 20784489
and preceding 20784491 . In scientific notation, it is written as 2.0784490 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 8313792 positive integers (up to 20784490) that are relatively prime to 20784490.
20784490 has 8 divisors, whose sum is 37412100
The reverse of 20784490 is 09448702
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred eighty-four thousand four hundred ninety
Scientific notation
2.0784490 × 10^7
Engineering notation
2.0784490 × 10^6
Prime Factorization
2 × 5 × 2078449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20784490
Product of the distinct prime numbers
The prime factorization of 20784490 is 2 × 5 × 2078449.
Since it has a total of 3 prime factors.
6 , 9 , 17 , 24 , 534 , 414 , 2331 , 6776 , 19221 , 81011 , 1396 , 978879 , 6235695 , 3310241 , 51525129 , 21715813 , 433727140 , 910266381 , 9977627328 , 7030833371
n×2
41568980
n×3
62353470
n×4
83137960
n×5
103922450
n÷2
10392245
n÷3
6928163.3333333
n÷3
5196122.5
n÷5
4156898
n2
431995024560100
n3
8.9787962680192E+21
n4
1.8661970124468E+29
n5
3.8787953143231E+36
2 √n
4559.0009870585
3 √n
274.94539962831
4 √n
67.520374606917
5 √n
29.076884710832
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
-20784489
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 20784490 can be divided by 8 positive divisors.
The sum of these divisors (counting 20784490) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010010010101101010
3
Ternary
1110002221221221
4
Quaternary
1033102111222
5
Quinary
20310100430
6
Senary
2021252254
8
Octal
117222552
10
Decimal
20784490
12
Duodecimal
6b6408a
16
Hexadecimal
13d256a
20
Vigesimal
69i14a
36
Base36
cdhey
md5
40e4eba817432ac5d42396d8c67d740e
sha1
27160dc7c397b7ca5cace146464d73cc2fd6b41d
sha256
b22c63101cb222c6a7876843735fa5171be69049ab7efec0be6310a553ddbcbd
sha512
73e51185281440f758d3ad7a47e9a20597032d7c8135ba56c494111ddce4119d11ed40cd84ca5306d9bacc257d7c6ee653876a8e980bd357ef47c5c6349f8132
ripemd-160
1cb3a424e5b418192a80de49662e8ad91c7fb563
Diameter
41568980
Circumference
130592802.18522
Area
1.3571523955454E+15
Volume
3.7610293858251E+22
Surface area
5.4286095821814E+15
Circumference
130592802.18522
Perimeter
83137960
Area
431995024560100
Diagonal
29393707.645008
Surface area
2591970147360600
Volume
8.9787962680192E+21
Space diagonal
35999792.689407
Perimeter
62353470
Area
1.8705933278876E+14
Altitude
17999896.344704
Surface area
1.8705933278876E+14
Volume
1.0581612880015E+21
Height
9797902.548336