20403949 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million four hundred three thousand nine hundred forty-nine

Notation

Scientific notation 2.0403949 × 10^7
Engineering notation 2.0403949 × 10^6

Prime Factorization of 20403949

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.

Most popular turbo-numbers

Basic calculations (n = 20403949)

Multiplication

n×y
n×2 40807898
n×3 61211847
n×4 81615796
n×5 102019745

Division

n÷y
n÷2 10201974.5
n÷3 6801316.3333333
n÷3 5100987.25
n÷5 4080789.8

Exponentiation

ny
n2 416321134794601
n3 8.4945952019712E+21
n4 1.7332328727666E+29
n5 3.5364795141054E+36

Nth Root

y√n
2√n 4517.0730567481
3√n 273.2570715594
4√n 67.209173903182
5√n 28.969623158406

Divisors of 20403949

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 conversion 20403949

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

Cryptographic Hash Functions

md5 3d0deb299e1c36d67be9935fc46c75f3
sha1 4ab5dbed34a917de36383c7df6b89c892f1cdcb1
sha256 39beedc902026d5428fb54ef065bb3383b6de4c4688b8a7cc03fb60bb82652c3
sha512 eb4125b6fbb9ddfa08c991b13cef0cfb59947b9307c58d71be176ddef436fdcfe5e0994c5580da0e331fc838278033d8ddf42bc7b557f061935959ae0eb7aa14
ripemd-160 9356d9f01572129df3ec92a9531a9863a2cee466

20403949 as geometric shapes

Circle

Radius = n
Diameter 40807898
Circumference 128201792.56524
Area 1.3079114186049E+15

Sphere

Radius = n
Volume 3.5582077175642E+22
Surface area 5.2316456744195E+15
Circumference 128201792.56524

Square

Length = n
Perimeter 81615796
Area 416321134794601
Diagonal 28855541.401769

Cube

Length = n
Surface area 2497926808767606
Volume 8.4945952019712E+21
Space diagonal 35340676.343044

Equilateral Triangle

Length = n
Perimeter 61211847
Area 1.8027233943224E+14
Altitude 17670338.171522

Triangular Pyramid

Length = n
Surface area 1.8027233943224E+14
Volume 1.0010976451248E+21
Height 9618513.8005897