20781272 (number)

20781272 is an even 8-digits composite number following 20781271 and preceding 20781273. In scientific notation, it is written as 2.0781272 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 10109664 positive integers (up to 20781272) that are relatively prime to 20781272.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0781272 × 10^7
Engineering notation 2.0781272 × 10^6

Prime Factorization of 20781272

Prime Factorization 2 × 2 × 2 × 37 × 70207

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5195318
Product of the distinct prime numbers

The prime factorization of 20781272 is 2 × 2 × 2 × 37 × 70207. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20781272)

Multiplication

n×y
n×2 41562544
n×3 62343816
n×4 83125088
n×5 103906360

Division

n÷y
n÷2 10390636
n÷3 6927090.6666667
n÷3 5195318
n÷5 4156254.4

Exponentiation

ny
n2 431861265937984
n3 8.9746264337216E+21
n4 1.8650415301756E+29
n5 3.8757935329875E+36

Nth Root

y√n
2√n 4558.6480451994
3√n 274.93120923983
4√n 67.517760961094
5√n 29.075984277765

Divisors of 20781272

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20781271
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781272 can be divided by 16 positive divisors. The sum of these divisors (counting 20781272) is 1, the average is 0.0625.

Base conversion 20781272

Base System Value
2 Binary 1001111010001100011011000
3 Ternary 1110002210112202
4 Quaternary 1033101203120
5 Quinary 20310000042
6 Senary 2021225332
8 Octal 117214330
10 Decimal 20781272
12 Duodecimal 6b62248
16 Hexadecimal 13d18d8
20 Vigesimal 69hd3c
36 Base36 cdexk

Cryptographic Hash Functions

md5 74665ba3bd149a83c0e30e290f834892
sha1 49eded7423b54cb1af0b8393dd8bcb2e8596b597
sha256 40390e89a042ebb1924708abd928ad2eec391a1bebb8b6c64d543fd9b28b1cb2
sha512 923fec90ba7467d4fc5a224f94c674e6433de50e8e300f73560b8a3d218545aae76ca221cbf5f27ddce5ad421f0de2755d404472c4419793ddc6a19ec5a8e387
ripemd-160 3700cd3604e2dde053a5f9eb3553417e64c35638

20781272 as geometric shapes

Circle

Radius = n
Diameter 41562544
Circumference 130572582.8949
Area 1.3567321804408E+15

Sphere

Radius = n
Volume 3.759282729719E+22
Surface area 5.426928721763E+15
Circumference 130572582.8949

Square

Length = n
Perimeter 83125088
Area 431861265937984
Diagonal 29389156.705764

Cube

Length = n
Surface area 2591167595627904
Volume 8.9746264337216E+21
Space diagonal 35994218.949908

Equilateral Triangle

Length = n
Perimeter 62343816
Area 1.870014136064E+14
Altitude 17997109.474954

Triangular Pyramid

Length = n
Surface area 1.870014136064E+14
Volume 1.0576698683168E+21
Height 9796385.5685881