20409920 (number)

20409920 is an even 8-digits composite number following 20409919 and preceding 20409921. In scientific notation, it is written as 2.0409920 × 10^7. The sum of its digits is 26. It has a total of 8 prime factors and 28 positive divisors. There are 8163840 positive integers (up to 20409920) that are relatively prime to 20409920.

Interesting facts

Basic properties

Name

Name twenty million four hundred nine thousand nine hundred twenty

Notation

Scientific notation 2.0409920 × 10^7
Engineering notation 2.0409920 × 10^6

Prime Factorization of 20409920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 63781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 637810
Product of the distinct prime numbers

The prime factorization of 20409920 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 63781. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 4, 45, 97, 768, 534, 2976, 2606, 29787, 76606, 770391, 645014, 4183558, 6738061, 74316066, 59480767, 734150520, 572218308, 501497345, 1148267106

Basic calculations (n = 20409920)

Multiplication

n×y
n×2 40819840
n×3 61229760
n×4 81639680
n×5 102049600

Division

n÷y
n÷2 10204960
n÷3 6803306.6666667
n÷3 5102480
n÷5 4081984

Exponentiation

ny
n2 416564834406400
n3 8.5020549450479E+21
n4 1.7352626126403E+29
n5 3.541657110298E+36

Nth Root

y√n
2√n 4517.7339452429
3√n 273.28372422423
4√n 67.214090377263
5√n 28.971318490769

Divisors of 20409920

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63781, 127562, 255124, 318905, 510248, 637810, 1020496, 1275620, 2040992, 2551240, 4081984, 5102480, 10204960, 20409920

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20409919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20409920 can be divided by 28 positive divisors. The sum of these divisors (counting 20409920) is 1, the average is 0.035714285714286.

Base conversion 20409920

Base System Value
2 Binary 1001101110110111001000000
3 Ternary 1102101221010222
4 Quaternary 1031312321000
5 Quinary 20211104140
6 Senary 2005242212
8 Octal 115667100
10 Decimal 20409920
12 Duodecimal 6a03368
16 Hexadecimal 1376e40
20 Vigesimal 67b4g0
36 Base36 c5ge8

Cryptographic Hash Functions

md5 e81958ed6caee861dce11e49421e2556
sha1 5cc416c1d863bda6eb6b12013e0f8cd418840080
sha256 20437ce5a7eac7a020cb012a38ce434a7b53ccc9b5a46ab3a838db3eef59f5fa
sha512 6f5ce98db9aa8abb6c4b6654de98252b36991d04375430c9b9e0982ad4292b7141b82f9bea37f1defa525df0660fa682cc302f848da42abd8c9299874ee742ce
ripemd-160 d2848e7ce15f1804abfc9fbc6d3e70f3be75039e

20409920 as geometric shapes

Circle

Radius = n
Diameter 40819840
Circumference 128239309.46471
Area 1.308677023515E+15

Sphere

Radius = n
Volume 3.5613324474372E+22
Surface area 5.23470809406E+15
Circumference 128239309.46471

Square

Length = n
Perimeter 81639680
Area 416564834406400
Diagonal 28863985.67095

Cube

Length = n
Surface area 2499389006438400
Volume 8.5020549450479E+21
Space diagonal 35351018.418416

Equilateral Triangle

Length = n
Perimeter 61229760
Area 1.803778644596E+14
Altitude 17675509.209208

Triangular Pyramid

Length = n
Surface area 1.803778644596E+14
Volume 1.0019767842773E+21
Height 9621328.5569833