20402478 is an even 8-digits composite number following 20402477
and preceding 20402479 . In scientific notation, it is written as 2.0402478 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6707232 positive integers (up to 20402478) that are relatively prime to 20402478.
20402478 has 24 divisors, whose sum is 44813808
The reverse of 20402478 is 87420402
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred two thousand four hundred seventy-eight
Scientific notation
2.0402478 × 10^7
Engineering notation
2.0402478 × 10^6
Prime Factorization
2 × 3 × 3 × 73 × 15527
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6800826
Product of the distinct prime numbers
The prime factorization of 20402478 is 2 × 3 × 3 × 73 × 15527.
Since it has a total of 5 prime factors.
7 , 7 , 70 , 84 , 535 , 170 , 7479 , 6146 , 78054 , 85214 , 894734 , 447790 , 6294708 , 8865681 , 35429298 , 76324753 , 861817099 , 935788865 , 7673971560 , 1115113621
n×2
40804956
n×3
61207434
n×4
81609912
n×5
102012390
n÷2
10201239
n÷3
6800826
n÷3
5100619.5
n÷5
4080495.6
n2
416261108540484
n3
8.4927581092528E+21
n4
1.7327331048335E+29
n5
3.5352049051238E+36
2 √n
4516.9102271354
3 √n
273.25050468008
4 √n
67.207962527779
5 √n
28.96920543981
1 , 2 , 3 , 6 , 9 , 18 , 73 , 146 , 219 , 438 , 657 , 1314 , 15527 , 31054 , 46581 , 93162 , 139743 , 279486 , 1133471 , 2266942 , 3400413 , 6800826 , 10201239 , 20402478
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20402477
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402478 can be divided by 24 positive divisors.
The sum of these divisors (counting 20402478) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110101000100101110
3
Ternary
1102101112221100
4
Quaternary
1031311010232
5
Quinary
20210334403
6
Senary
2005143530
8
Octal
115650456
10
Decimal
20402478
12
Duodecimal
69baba6
16
Hexadecimal
137512e
20
Vigesimal
67a63i
36
Base36
c5ani
md5
e0255735dc1089c635ddea10da81184e
sha1
efe5b0091d2cfa324a26c825d70fe8c6fd4028aa
sha256
bc9293fdb158fe8c4e42cd5b63b537033a375485b85d52445d4bbb093d966587
sha512
aa0efa7ba1e62fb535cc9b39a6e1ac659d75d88c6e383987ce173299d2e8f652ef4797ac712e1ef26f4107b07f8e3f0347b1220e984725c296033874151f69ce
ripemd-160
e51f6eb2eb587fcfa59184b0ff262218c4b06bf3
Diameter
40804956
Circumference
128192549.99965
Area
1.3077228405659E+15
Volume
3.5574381979658E+22
Surface area
5.2308913622637E+15
Circumference
128192549.99965
Perimeter
81609912
Area
416261108540484
Diagonal
28853461.093619
Surface area
2497566651242904
Volume
8.4927581092528E+21
Space diagonal
35338128.496306
Perimeter
61207434
Area
1.8024634730177E+14
Altitude
17669064.248153
Surface area
1.8024634730177E+14
Volume
1.0008811416716E+21
Height
9617820.3645396