20449986 is an even 8-digits composite number following 20449985
and preceding 20449987 . In scientific notation, it is written as 2.0449986 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 6816660 positive integers (up to 20449986) that are relatively prime to 20449986.
20449986 has 8 divisors, whose sum is 40899984
The reverse of 20449986 is 68994402
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million four hundred forty-nine thousand nine hundred eighty-six
Scientific notation
2.0449986 × 10^7
Engineering notation
2.0449986 × 10^6
Prime Factorization
2 × 3 × 3408331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20449986
Product of the distinct prime numbers
The prime factorization of 20449986 is 2 × 3 × 3408331.
Since it has a total of 3 prime factors.
4 , 3 , 17 , 99 , 333 , 348 , 5806 , 9305 , 88425 , 94762 , 437226 , 169849 , 5125631 , 6042658 , 35757319 , 35732963 , 783849672 , 106519297 , 7530546112 , 5095585852
n×2
40899972
n×3
61349958
n×4
81799944
n×5
102249930
n÷2
10224993
n÷3
6816662
n÷3
5112496.5
n÷5
4089997.2
n2
418201927400196
n3
8.552223560507E+21
n4
1.7489285208124E+29
n5
3.5765563765614E+36
2 √n
4522.1660739075
3 √n
273.46243191005
4 √n
67.247052529516
5 √n
28.982684086088
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
-20449985
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 20449986 can be divided by 8 positive divisors.
The sum of these divisors (counting 20449986) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110000000101011000010
3
Ternary
1102110222002220
4
Quaternary
1032000223002
5
Quinary
20213344421
6
Senary
2010151510
8
Octal
116005302
10
Decimal
20449986
12
Duodecimal
6a22596
16
Hexadecimal
1380ac2
20
Vigesimal
67g4j6
36
Base36
c6bb6
md5
e4cc588d75c0d88770243383f25bc3b6
sha1
d36700979451a49efa2214787f6f66551415b011
sha256
c912f3ecfb3c189e4df3632e28330ba2bd917f26b772d98ffd01721e8413b2e5
sha512
3bb68aa6d3c870f2c661b799de48f0c0a153ad6f342008f219a74329cdc33b348ed7981837e3ffaafb1ce3c2bb44bd42adf546915bab26ad91cd56babb219d9e
ripemd-160
e0e10ac5716c344b00669e8cdafd8d5e642305a9
Diameter
40899972
Circumference
128491051.56723
Area
1.3138201028375E+15
Volume
3.5823470279395E+22
Surface area
5.2552804113502E+15
Circumference
128491051.56723
Perimeter
81799944
Area
418201927400196
Diagonal
28920647.55154
Surface area
2509211564401176
Volume
8.552223560507E+21
Space diagonal
35420414.766072
Perimeter
61349958
Area
1.8108674652009E+14
Altitude
17710207.383036
Surface area
1.8108674652009E+14
Volume
1.0078892123096E+21
Height
9640215.8505133