20403949 is an odd 8-digits composite number following 20403948
and preceding 20403950 . In scientific notation, it is written as 2.0403949 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 20120400 positive integers (up to 20403949) that are relatively prime to 20403949.
20403949 has 8 divisors, whose sum is 20689760
The reverse of 20403949 is 94930402
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred three thousand nine hundred forty-nine
Scientific notation
2.0403949 × 10^7
Engineering notation
2.0403949 × 10^6
Prime Factorization
139 × 181 × 811
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20403949
Product of the distinct prime numbers
The prime factorization of 20403949 is 139 × 181 × 811.
Since it has a total of 3 prime factors.
6 , 9 , 100 , 45 , 69 , 462 , 6519 , 6943 , 36329 , 54692 , 811427 , 617746 , 7839804 , 7095094 , 56319191 , 68267950 , 784396073 , 361295049 , 4983785737 , 1843312759
n×2
40807898
n×3
61211847
n×4
81615796
n×5
102019745
n÷2
10201974.5
n÷3
6801316.3333333
n÷3
5100987.25
n÷5
4080789.8
n2
416321134794601
n3
8.4945952019712E+21
n4
1.7332328727666E+29
n5
3.5364795141054E+36
2 √n
4517.0730567481
3 √n
273.2570715594
4 √n
67.209173903182
5 √n
28.969623158406
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
-20403948
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 20403949 can be divided by 8 positive divisors.
The sum of these divisors (counting 20403949) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101011011101101
3
Ternary
1102101121221211
4
Quaternary
1031311123231
5
Quinary
20210411244
6
Senary
2005154421
8
Octal
115653355
10
Decimal
20403949
12
Duodecimal
69bba11
16
Hexadecimal
13756ed
20
Vigesimal
67a9h9
36
Base36
c5bsd
md5
3d0deb299e1c36d67be9935fc46c75f3
sha1
4ab5dbed34a917de36383c7df6b89c892f1cdcb1
sha256
39beedc902026d5428fb54ef065bb3383b6de4c4688b8a7cc03fb60bb82652c3
sha512
eb4125b6fbb9ddfa08c991b13cef0cfb59947b9307c58d71be176ddef436fdcfe5e0994c5580da0e331fc838278033d8ddf42bc7b557f061935959ae0eb7aa14
ripemd-160
9356d9f01572129df3ec92a9531a9863a2cee466
Diameter
40807898
Circumference
128201792.56524
Area
1.3079114186049E+15
Volume
3.5582077175642E+22
Surface area
5.2316456744195E+15
Circumference
128201792.56524
Perimeter
81615796
Area
416321134794601
Diagonal
28855541.401769
Surface area
2497926808767606
Volume
8.4945952019712E+21
Space diagonal
35340676.343044
Perimeter
61211847
Area
1.8027233943224E+14
Altitude
17670338.171522
Surface area
1.8027233943224E+14
Volume
1.0010976451248E+21
Height
9618513.8005897