20406784 is an even 8-digits composite number following 20406783
and preceding 20406785 . In scientific notation, it is written as 2.0406784 × 10^7.
The sum of its digits is 31. It has a total of 10 prime factors and 20 positive divisors.
There are 10203136 positive integers (up to 20406784) that are relatively prime to 20406784.
20406784 has 20 divisors, whose sum is 40774734
The reverse of 20406784 is 48760402
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred six thousand seven hundred eighty-four
Scientific notation
2.0406784 × 10^7
Engineering notation
2.0406784 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 39857
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
10
Total number of prime factors
rad
Radical
79714
Product of the distinct prime numbers
The prime factorization of 20406784 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 39857.
Since it has a total of 10 prime factors.
4 , 4 , 90 , 63 , 418 , 160 , 6070 , 2548 , 24858 , 27651 , 833498 , 631423 , 5195411 , 9873435 , 92488294 , 73529457 , 475993904 , 326705967 , 169357303 , 8029295210
n×2
40813568
n×3
61220352
n×4
81627136
n×5
102033920
n÷2
10203392
n÷3
6802261.3333333
n÷3
5101696
n÷5
4081356.8
n2
416436833222656
n3
8.4981365052188E+21
n4
1.7341963606451E+29
n5
3.5389370545272E+36
2 √n
4517.3868552516
3 √n
273.2697267554
4 √n
67.211508354237
5 √n
28.970428142946
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 39857 , 79714 , 159428 , 318856 , 637712 , 1275424 , 2550848 , 5101696 , 10203392 , 20406784
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
-20406783
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 20406784 can be divided by 20 positive divisors.
The sum of these divisors (counting 20406784) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101110110001000000000
3
Ternary
1102101202211211
4
Quaternary
1031312020000
5
Quinary
20211004114
6
Senary
2005215504
8
Octal
115661000
10
Decimal
20406784
12
Duodecimal
6a01594
16
Hexadecimal
1376200
20
Vigesimal
67agj4
36
Base36
c5dz4
md5
c882c3c35e10d36f902c4c491d14e4f1
sha1
203c18831e2d65d81c5f47c2f6f3c43e7fe69081
sha256
cf0a1a324e2e4471d0242ac19821e28526c80c360b4ecdae41eb6ea48a26312a
sha512
a765c35aa504721c718d9d36db6ccbe331c559a0751bde407addfa8ada04bb3fd270d443373b781939f5a478c228c09762210fcc22c146461a98cdf39f7774b0
ripemd-160
ab5adb2150f795de351223c398688480195b4295
Diameter
40813568
Circumference
128219605.39559
Area
1.3082748959365E+15
Volume
3.5596910951998E+22
Surface area
5.233099583746E+15
Circumference
128219605.39559
Perimeter
81627136
Area
416436833222656
Diagonal
28859550.697218
Surface area
2498620999335936
Volume
8.4981365052188E+21
Space diagonal
35345586.707084
Perimeter
61220352
Area
1.8032243832118E+14
Altitude
17672793.353542
Surface area
1.8032243832118E+14
Volume
1.0015149917149E+21
Height
9619850.2324061