20408729 (number)

20408729 is an odd 8-digits composite number following 20408728 and preceding 20408730. In scientific notation, it is written as 2.0408729 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 18372240 positive integers (up to 20408729) that are relatively prime to 20408729.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand seven hundred twenty-nine

Notation

Scientific notation 2.0408729 × 10^7
Engineering notation 2.0408729 × 10^6

Prime Factorization of 20408729

Prime Factorization 1133 × 18013

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20408729
Product of the distinct prime numbers

The prime factorization of 20408729 is 1133 × 18013. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20408729)

Multiplication

n×y
n×2 40817458
n×3 61226187
n×4 81634916
n×5 102043645

Division

n÷y
n÷2 10204364.5
n÷3 6802909.6666667
n÷3 5102182.25
n÷5 4081745.8

Exponentiation

ny
n2 416516219395441
n3 8.5005666457461E+21
n4 1.7348576101947E+29
n5 3.5406238820052E+36

Nth Root

y√n
2√n 4517.6021294488
3√n 273.27840839012
4√n 67.213109803436
5√n 28.970980364547

Divisors of 20408729

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 -20408728
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 20408729 can be divided by 4 positive divisors. The sum of these divisors (counting 20408729) is 1, the average is 0.25.

Base conversion 20408729

Base System Value
2 Binary 1001101110110100110011001
3 Ternary 1102101212111212
4 Quaternary 1031312212121
5 Quinary 20211034404
6 Senary 2005232505
8 Octal 115664631
10 Decimal 20408729
12 Duodecimal 6a02735
16 Hexadecimal 1376999
20 Vigesimal 67b1g9
36 Base36 c5fh5

Cryptographic Hash Functions

md5 4847e5d5b6f26f9bc074d55d1fecd301
sha1 505ba2cc428f89c9eb0eb9681d83994f6c0512e4
sha256 4a46a5d079680448860296d0e48636d86658d98cbf2644d93ca6cd7336411980
sha512 bd381025df0e56ff140269ec7e425d8643a5c492c69abc0b969e8923c2f6433d081303c95a4e71aedf47f5f4b1d5426ba17021d7af672e0ecfb25efc54b0652a
ripemd-160 2a6b8cea06d0f6224ac0491d99bfef47c73df0ab

20408729 as geometric shapes

Circle

Radius = n
Diameter 40817458
Circumference 128231826.19101
Area 1.3085242949537E+15

Sphere

Radius = n
Volume 3.5607090300835E+22
Surface area 5.2340971798148E+15
Circumference 128231826.19101

Square

Length = n
Perimeter 81634916
Area 416516219395441
Diagonal 28862301.342597

Cube

Length = n
Surface area 2499097316372646
Volume 8.5005666457461E+21
Space diagonal 35348955.545904

Equilateral Triangle

Length = n
Perimeter 61226187
Area 1.8035681354235E+14
Altitude 17674477.772952

Triangular Pyramid

Length = n
Surface area 1.8035681354235E+14
Volume 1.0018013865225E+21
Height 9620767.114199