20406949 is an odd 8-digits composite number following 20406948
and preceding 20406950 . In scientific notation, it is written as 2.0406949 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20204800 positive integers (up to 20406949) that are relatively prime to 20406949.
20406949 has 4 divisors, whose sum is 20609100
The reverse of 20406949 is 94960402
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million four hundred six thousand nine hundred forty-nine
Scientific notation
2.0406949 × 10^7
Engineering notation
2.0406949 × 10^6
Prime Factorization
101 × 202049
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20406949
Product of the distinct prime numbers
The prime factorization of 20406949 is 101 × 202049.
Since it has a total of 2 prime factors.
6 , 6 , 61 , 25 , 20 , 781 , 2415 , 9115 , 21173 , 37669 , 125103 , 431702 , 3798138 , 71484 , 47177728 , 38751179 , 220610507 , 269818988 , 1845448550 , 3665110754
n×2
40813898
n×3
61220847
n×4
81627796
n×5
102034745
n÷2
10203474.5
n÷3
6802316.3333333
n÷3
5101737.25
n÷5
4081389.8
n2
416443567488601
n3
8.4983426431179E+21
n4
1.7342524490263E+29
n5
3.5390801280405E+36
2 √n
4517.4051179853
3 √n
273.27046326511
4 √n
67.211644214268
5 √n
28.970474991143
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20406948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20406949 can be divided by 4 positive divisors.
The sum of these divisors (counting 20406949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110110001010100101
3
Ternary
1102101210001221
4
Quaternary
1031312022211
5
Quinary
20211010244
6
Senary
2005220341
8
Octal
115661245
10
Decimal
20406949
12
Duodecimal
6a016b1
16
Hexadecimal
13762a5
20
Vigesimal
67ah79
36
Base36
c5e3p
md5
1908d74d90358c847e112edec8707dad
sha1
edfc43a4d7b3fa577096a8b4b51f9e559e039608
sha256
6246c62863deb919d96b72125cf022212be121cf54b75f0b146544bd07255e02
sha512
c9f48eacc08a2c374b04e309d1630784ce2e64a6812f5a44c25216632e0a910a48688eeefb9029d262344f0fc95f41369cd3e171c5f3c0b7fc56187ba45684b2
ripemd-160
837fff5c6309c7275c3b33d57256a3d2ba7bad46
Diameter
40813898
Circumference
128220642.12116
Area
1.3082960522569E+15
Volume
3.5597774420411E+22
Surface area
5.2331842090277E+15
Circumference
128220642.12116
Perimeter
81627796
Area
416443567488601
Diagonal
28859784.042456
Surface area
2498661404931606
Volume
8.4983426431179E+21
Space diagonal
35345872.495467
Perimeter
61220847
Area
1.8032535434387E+14
Altitude
17672936.247733
Surface area
1.8032535434387E+14
Volume
1.0015392852993E+21
Height
9619928.014152