20406904 is an even 8-digits composite number following 20406903
and preceding 20406905 . In scientific notation, it is written as 2.0406904 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors.
There are 8709984 positive integers (up to 20406904) that are relatively prime to 20406904.
20406904 has 32 divisors, whose sum is 43908480
The reverse of 20406904 is 40960402
Previous prime number is 307
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred six thousand nine hundred four
Scientific notation
2.0406904 × 10^7
Engineering notation
2.0406904 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 307 × 1187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5101726
Product of the distinct prime numbers
The prime factorization of 20406904 is 2 × 2 × 2 × 7 × 307 × 1187.
Since it has a total of 6 prime factors.
3 , 2 , 56 , 53 , 786 , 749 , 8193 , 6286 , 40537 , 47063 , 290581 , 15387 , 4105153 , 4463294 , 37354358 , 68971140 , 740198132 , 105136074 , 9437347617 , 7684918125
n×2
40813808
n×3
61220712
n×4
81627616
n×5
102034520
n÷2
10203452
n÷3
6802301.3333333
n÷3
5101726
n÷5
4081380.8
n2
416441730865216
n3
8.4982864233603E+21
n4
1.7342371520602E+29
n5
3.5390411075325E+36
2 √n
4517.4001372471
3 √n
273.27026239922
4 √n
67.211607161614
5 √n
28.970462214392
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 307 , 614 , 1187 , 1228 , 2149 , 2374 , 2456 , 4298 , 4748 , 8309 , 8596 , 9496 , 16618 , 17192 , 33236 , 66472 , 364409 , 728818 , 1457636 , 2550863 , 2915272 , 5101726 , 10203452 , 20406904
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20406903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20406904 can be divided by 32 positive divisors.
The sum of these divisors (counting 20406904) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110110001001111000
3
Ternary
1102101210000021
4
Quaternary
1031312021320
5
Quinary
20211010104
6
Senary
2005220224
8
Octal
115661170
10
Decimal
20406904
12
Duodecimal
6a01674
16
Hexadecimal
1376278
20
Vigesimal
67ah54
36
Base36
c5e2g
md5
bb737acb76c12f3469b1ba748fabe93d
sha1
cd36c9d2ba09db686a95260c813f7371060fd00f
sha256
547f4570162d232040e5aeb076325284370a7579dcb95c745118db9359fc4522
sha512
5e33a176a9fb2ef55d8cf619b46bcfea0c4e27c5b880298c548b6a143501ac7b739cb8f0a7169b70ba1bf6835546097327a5394d6370d954dc2696a614f4add5
ripemd-160
83701b6e8b6b41737e7f79fbd02f94121a624498
Diameter
40813808
Circumference
128220359.37782
Area
1.3082902823344E+15
Volume
3.5597538927641E+22
Surface area
5.2331611293375E+15
Circumference
128220359.37782
Perimeter
81627616
Area
416441730865216
Diagonal
28859720.402846
Surface area
2498650385191296
Volume
8.4982864233603E+21
Space diagonal
35345794.553181
Perimeter
61220712
Area
1.8032455906262E+14
Altitude
17672897.27659
Surface area
1.8032455906262E+14
Volume
1.0015326597373E+21
Height
9619906.8009486