20787280 (number)

20787280 is an even 8-digits composite number following 20787279 and preceding 20787281. In scientific notation, it is written as 2.0787280 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 8314880 positive integers (up to 20787280) that are relatively prime to 20787280.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-seven thousand two hundred eighty

Notation

Scientific notation 2.0787280 × 10^7
Engineering notation 2.0787280 × 10^6

Prime Factorization of 20787280

Prime Factorization 2 × 2 × 2 × 2 × 5 × 259841

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2598410
Product of the distinct prime numbers

The prime factorization of 20787280 is 2 × 2 × 2 × 2 × 5 × 259841. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 3, 46, 48, 403, 469, 2404, 1204, 91550, 86315, 223214, 567735, 3649491, 8627330, 65883554, 69544370, 813670181, 846771775, 8832408796, 8066532793

Basic calculations (n = 20787280)

Multiplication

n×y
n×2 41574560
n×3 62361840
n×4 83149120
n×5 103936400

Division

n÷y
n÷2 10393640
n÷3 6929093.3333333
n÷3 5196820
n÷5 4157456

Exponentiation

ny
n2 432111009798400
n3 8.9824125517621E+21
n4 1.8671992478899E+29
n5 3.8813993581677E+36

Nth Root

y√n
2√n 4559.3069648796
3√n 274.95770148326
4√n 67.522640387352
5√n 29.077665294361

Divisors of 20787280

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 259841, 519682, 1039364, 1299205, 2078728, 2598410, 4157456, 5196820, 10393640, 20787280

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20787279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20787280 can be divided by 20 positive divisors. The sum of these divisors (counting 20787280) is 1, the average is 0.05.

Base conversion 20787280

Base System Value
2 Binary 1001111010011000001010000
3 Ternary 1110010002210021
4 Quaternary 1033103001100
5 Quinary 20310143110
6 Senary 2021313224
8 Octal 117230120
10 Decimal 20787280
12 Duodecimal 6b65814
16 Hexadecimal 13d3050
20 Vigesimal 69i840
36 Base36 cdjkg

Cryptographic Hash Functions

md5 d15f51b2373259933c27304fb2629c5b
sha1 e9ce71fbd1c07900d447d57375542f9f5603ab7c
sha256 b93bac52bd6772c4e23514ceb1a40b7664d9955a0976b270a63002136570b38f
sha512 bb394ec3a8b7aa2def9e9bf70ee0af3c0aa5b0428d707f6709b790c73547b4bb9a43a3785f06e2647f07b8091590cfd7381a75de361c108ad61bc5926baf6619
ripemd-160 486bd003ba5ad9fcd6a7c45a0f039789c042a114

20787280 as geometric shapes

Circle

Radius = n
Diameter 41574560
Circumference 130610332.27223
Area 1.3575167739179E+15

Sphere

Radius = n
Volume 3.7625441712171E+22
Surface area 5.4300670956717E+15
Circumference 130610332.27223

Square

Length = n
Perimeter 83149120
Area 432111009798400
Diagonal 29397653.300847

Cube

Length = n
Surface area 2592666058790400
Volume 8.9824125517621E+21
Space diagonal 36004625.11116

Equilateral Triangle

Length = n
Perimeter 62361840
Area 1.8710955587018E+14
Altitude 18002312.55558

Triangular Pyramid

Length = n
Surface area 1.8710955587018E+14
Volume 1.0585874711277E+21
Height 9799217.766949