20402449 is an odd 8-digits composite number following 20402448
and preceding 20402450 . In scientific notation, it is written as 2.0402449 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 19294176 positive integers (up to 20402449) that are relatively prime to 20402449.
20402449 has 8 divisors, whose sum is 21530880
The reverse of 20402449 is 94420402
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred two thousand four hundred forty-nine
Scientific notation
2.0402449 × 10^7
Engineering notation
2.0402449 × 10^6
Prime Factorization
23 × 89 × 9967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20402449
Product of the distinct prime numbers
The prime factorization of 20402449 is 23 × 89 × 9967.
Since it has a total of 3 prime factors.
6 , 4 , 71 , 74 , 783 , 656 , 225 , 3708 , 55580 , 52349 , 881952 , 458401 , 6395281 , 3009418 , 53067622 , 75786224 , 678638026 , 946709601 , 8092154859 , 3059847471
n×2
40804898
n×3
61207347
n×4
81609796
n×5
102012245
n÷2
10201224.5
n÷3
6800816.3333333
n÷3
5100612.25
n÷5
4080489.8
n2
416259925197601
n3
8.4927218945879E+21
n4
1.7327232532551E+29
n5
3.5351797805652E+36
2 √n
4516.9070169752
3 √n
273.2503752143
4 √n
67.207938645485
5 √n
28.969197204463
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
-20402448
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 20402449 can be divided by 8 positive divisors.
The sum of these divisors (counting 20402449) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101000100010001
3
Ternary
1102101112220021
4
Quaternary
1031311010101
5
Quinary
20210334244
6
Senary
2005143441
8
Octal
115650421
10
Decimal
20402449
12
Duodecimal
69bab81
16
Hexadecimal
1375111
20
Vigesimal
67a629
36
Base36
c5amp
md5
fcbf19dffa1fd511df0f810c7a18445e
sha1
cee3703a516bf71aa23c403eb1d27d259c6cb189
sha256
f6b2e334524b02496ff805b72efd809d749227b8ac1047bb0779a035b9729852
sha512
4074188e0f9e2ae3fffd49623b91f49de69f9190d5bb564806c2167b073296c42e17d9eadff3d1c91b1e5ff1f1092af22bb1c275ad99b9257382609f876b94bf
ripemd-160
50a85dc39eb5924ad976d4833fb4dd1a98f1e50a
Diameter
40804898
Circumference
128192367.78728
Area
1.3077191229846E+15
Volume
3.5574230284025E+22
Surface area
5.2308764919385E+15
Circumference
128192367.78728
Perimeter
81609796
Area
416259925197601
Diagonal
28853420.081425
Surface area
2497559551185606
Volume
8.4927218945879E+21
Space diagonal
35338078.266833
Perimeter
61207347
Area
1.8024583489927E+14
Altitude
17669039.133416
Surface area
1.8024583489927E+14
Volume
1.0008768737324E+21
Height
9617806.6938085