20408509 (number)

20408509 is an odd 8-digits composite number following 20408508 and preceding 20408510. In scientific notation, it is written as 2.0408509 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17740800 positive integers (up to 20408509) that are relatively prime to 20408509.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand five hundred nine

Notation

Scientific notation 2.0408509 × 10^7
Engineering notation 2.0408509 × 10^6

Prime Factorization of 20408509

Prime Factorization 341 × 97 × 617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20408509
Product of the distinct prime numbers

The prime factorization of 20408509 is 341 × 97 × 617. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20408509)

Multiplication

n×y
n×2 40817018
n×3 61225527
n×4 81634036
n×5 102042545

Division

n÷y
n÷2 10204254.5
n÷3 6802836.3333333
n÷3 5102127.25
n÷5 4081701.8

Exponentiation

ny
n2 416507239603081
n3 8.5002917480046E+21
n4 1.7347828064178E+29
n5 3.5404330517823E+36

Nth Root

y√n
2√n 4517.5777801826
3√n 273.2774264334
4√n 67.212928668394
5√n 28.970917904575

Divisors of 20408509

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 -20408508
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 20408509 can be divided by 8 positive divisors. The sum of these divisors (counting 20408509) is 1, the average is 0.125.

Base conversion 20408509

Base System Value
2 Binary 1001101110110100010111101
3 Ternary 1102101212012201
4 Quaternary 1031312202331
5 Quinary 20211033014
6 Senary 2005231501
8 Octal 115664275
10 Decimal 20408509
12 Duodecimal 6a02591
16 Hexadecimal 13768bd
20 Vigesimal 67b159
36 Base36 c5fb1

Cryptographic Hash Functions

md5 78562b59ff978d921e155fe4cdbf4e10
sha1 8114097f5822b8b572c9ce6097af95f1978b7920
sha256 e9a7c5e86cc44f51634275c90ec1599b52a7ffacc0c7f20625ae25cdab2bccf2
sha512 597185bf564e53c11cd4dd8ee506869c4a1a6a8fcbe0e853d1bee59475cda2f41cbbfa5be98f1087d50085ee3f85e8c729c4db2918e3190c04be08a7cf998f01
ripemd-160 bdb91f90123974ba3b0849e20f206aed23f01c3e

20408509 as geometric shapes

Circle

Radius = n
Diameter 40817018
Circumference 128230443.89024
Area 1.308496084104E+15

Sphere

Radius = n
Volume 3.5605938811868E+22
Surface area 5.233984336416E+15
Circumference 128230443.89024

Square

Length = n
Perimeter 81634036
Area 416507239603081
Diagonal 28861990.215613

Cube

Length = n
Surface area 2499043437618486
Volume 8.5002917480046E+21
Space diagonal 35348574.494727

Equilateral Triangle

Length = n
Perimeter 61225527
Area 1.803529251782E+14
Altitude 17674287.247363

Triangular Pyramid

Length = n
Surface area 1.803529251782E+14
Volume 1.001768989513E+21
Height 9620663.4052045