20502405 (number)

20502405 is an odd 8-digits composite number following 20502404 and preceding 20502406. In scientific notation, it is written as 2.0502405 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors. There are 8294400 positive integers (up to 20502405) that are relatively prime to 20502405.

Interesting facts

Basic properties

Name

Name twenty million five hundred two thousand four hundred five

Notation

Scientific notation 2.0502405 × 10^7
Engineering notation 2.0502405 × 10^6

Prime Factorization of 20502405

Prime Factorization 7 × 9 × 55 × 61 × 97

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20502405
Product of the distinct prime numbers

The prime factorization of 20502405 is 7 × 9 × 55 × 61 × 97. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 44, 76, 84, 976, 7092, 6311, 70729, 13849, 195242, 164345, 9725384, 1606976, 25609730, 9800576, 746586159, 66863749, 1910578016, 8272287144

Basic calculations (n = 20502405)

Multiplication

n×y
n×2 41004810
n×3 61507215
n×4 82009620
n×5 102512025

Division

n÷y
n÷2 10251202.5
n÷3 6834135
n÷3 5125601.25
n÷5 4100481

Exponentiation

ny
n2 420348610784025
n3 8.6181574594814E+21
n4 1.7669295458806E+29
n5 3.622630515611E+36

Nth Root

y√n
2√n 4527.9581490999
3√n 273.69588596966
4√n 67.290104392101
5√n 28.997527010785

Divisors of 20502405

1, 7, 9, 55, 61, 63, 97, 385, 427, 495, 549, 679, 873, 3355, 3465, 3843, 5335, 5917, 6111, 23485, 30195, 37345, 41419, 48015, 53253, 211365, 325435, 336105, 372771, 2278045, 2928915, 20502405

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 -20502404
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 20502405 can be divided by 32 positive divisors. The sum of these divisors (counting 20502405) is 1, the average is 0.03125.

Base conversion 20502405

Base System Value
2 Binary 1001110001101011110000101
3 Ternary 1102120122000100
4 Quaternary 1032031132011
5 Quinary 20222034110
6 Senary 2011234313
8 Octal 116153605
10 Decimal 20502405
12 Duodecimal 6a48999
16 Hexadecimal 138d785
20 Vigesimal 682g05
36 Base36 c7fr9

Cryptographic Hash Functions

md5 1173386bbe6b3f9d1720f401168165f6
sha1 04d69fee113fc35e2fdb40e90d1e681db2f6bfa5
sha256 2daf023b8f3289df163f0d0f55e769dfdfbb83785e71b462b7e199c19b0f0b4e
sha512 1dc9acac4e7e4af0d06f832fc4bb391ce2fc663338ec1d674626793c27095c34bf18c41abc90bbd7fe1b2acfde5d16708019eb0fde498f175beff690f8e48f0e
ripemd-160 d4014b687e4b3fea3d8c25b671fca272bcd0f663

20502405 as geometric shapes

Circle

Radius = n
Diameter 41004810
Circumference 128820409.85785
Area 1.3205641075858E+15

Sphere

Radius = n
Volume 3.6099653549583E+22
Surface area 5.2822564303431E+15
Circumference 128820409.85785

Square

Length = n
Perimeter 82009620
Area 420348610784025
Diagonal 28994779.212266

Cube

Length = n
Surface area 2522091664704150
Volume 8.6181574594814E+21
Space diagonal 35511207.137354

Equilateral Triangle

Length = n
Perimeter 61507215
Area 1.8201628769223E+14
Altitude 17755603.568677

Triangular Pyramid

Length = n
Surface area 1.8201628769223E+14
Volume 1.0156595968221E+21
Height 9664926.4040887