20397405 (number)

20397405 is an odd 8-digits composite number following 20397404 and preceding 20397406. In scientific notation, it is written as 2.0397405 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 9202752 positive integers (up to 20397405) that are relatively prime to 20397405.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-seven thousand four hundred five

Notation

Scientific notation 2.0397405 × 10^7
Engineering notation 2.0397405 × 10^6

Prime Factorization of 20397405

Prime Factorization 5 × 3 × 7 × 79 × 2459

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20397405
Product of the distinct prime numbers

The prime factorization of 20397405 is 5 × 3 × 7 × 79 × 2459. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 2, 47, 37, 864, 533, 3808, 2709, 84445, 27540, 70644, 501626, 1333268, 196804, 2888826, 64302330, 565280702, 723436308, 7272705259, 1967210492

Basic calculations (n = 20397405)

Multiplication

n×y
n×2 40794810
n×3 61192215
n×4 81589620
n×5 101987025

Division

n÷y
n÷2 10198702.5
n÷3 6799135
n÷3 5099351.25
n÷5 4079481

Exponentiation

ny
n2 416054130734025
n3 8.4864246065049E+21
n4 1.7310103970085E+29
n5 3.5308120126992E+36

Nth Root

y√n
2√n 4516.3486357898
3√n 273.22785523006
4√n 67.203784385924
5√n 28.967764679547

Divisors of 20397405

1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 1185, 1659, 2459, 2765, 7377, 8295, 12295, 17213, 36885, 51639, 86065, 194261, 258195, 582783, 971305, 1359827, 2913915, 4079481, 6799135, 20397405

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20397404
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20397405 can be divided by 32 positive divisors. The sum of these divisors (counting 20397405) is 1, the average is 0.03125.

Base conversion 20397405

Base System Value
2 Binary 1001101110011110101011101
3 Ternary 1102101021222110
4 Quaternary 1031303311131
5 Quinary 20210204110
6 Senary 2005104233
8 Octal 115636535
10 Decimal 20397405
12 Duodecimal 69b8079
16 Hexadecimal 1373d5d
20 Vigesimal 679da5
36 Base36 c56ql

Cryptographic Hash Functions

md5 812ac0b1dc7c22631524e48ed4edc8f4
sha1 6a9920a104a47b32452f0a13f6cac1f0d9dd1f9a
sha256 3bed324183ca31b6f16a75ff55ff7cb96092c871209742559090d8359f3ca31d
sha512 5f9de87cb43849a1846cfdb1ee97534bc334f4dfccb440fe7c02f938b9812652ed975143a78f7d6ceba26570dbe3f972f22e26304c6ca8e1c2bc63348fe975df
ripemd-160 2a84f7e77a6d03fbed49a398adc9b48abfa56726

20397405 as geometric shapes

Circle

Radius = n
Diameter 40794810
Circumference 128160675.40059
Area 1.3070726006097E+15

Sphere

Radius = n
Volume 3.5547852265386E+22
Surface area 5.2282904024388E+15
Circumference 128160675.40059

Square

Length = n
Perimeter 81589620
Area 416054130734025
Diagonal 28846286.788217

Cube

Length = n
Surface area 2496324784404150
Volume 8.4864246065049E+21
Space diagonal 35329341.802559

Equilateral Triangle

Length = n
Perimeter 61192215
Area 1.8015672328256E+14
Altitude 17664670.90128

Triangular Pyramid

Length = n
Surface area 1.8015672328256E+14
Volume 1.0001347312147E+21
Height 9615428.9294056