20131280 (number)

20131280 is an even 8-digits composite number following 20131279 and preceding 20131281. In scientific notation, it is written as 2.0131280 × 10^7. The sum of its digits is 17. It has a total of 7 prime factors and 40 positive divisors. There are 7428096 positive integers (up to 20131280) that are relatively prime to 20131280.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand two hundred eighty

Notation

Scientific notation 2.0131280 × 10^7
Engineering notation 2.0131280 × 10^6

Prime Factorization of 20131280

Prime Factorization 2 × 2 × 2 × 2 × 169 × 5 × 1489

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2516410
Product of the distinct prime numbers

The prime factorization of 20131280 is 2 × 2 × 2 × 2 × 169 × 5 × 1489. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 3, 90, 44, 267, 708, 6098, 6647, 11250, 70925, 557891, 646093, 6719386, 9599162, 22642660, 3713214, 673638407, 387146208, 2049893687, 7005450860

Basic calculations (n = 20131280)

Multiplication

n×y
n×2 40262560
n×3 60393840
n×4 80525120
n×5 100656400

Division

n÷y
n÷2 10065640
n÷3 6710426.6666667
n÷3 5032820
n÷5 4026256

Exponentiation

ny
n2 405268434438400
n3 8.1585723288411E+21
n4 1.6424250395215E+29
n5 3.3064118349619E+36

Nth Root

y√n
2√n 4486.789498071
3√n 272.03438146706
4√n 66.983501685646
5√n 28.891778580292

Divisors of 20131280

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 169, 338, 676, 845, 1352, 1489, 1690, 2704, 2978, 3380, 5956, 6760, 7445, 11912, 13520, 14890, 23824, 29780, 59560, 119120, 251641, 503282, 1006564, 1258205, 2013128, 2516410, 4026256, 5032820, 10065640, 20131280

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131280 can be divided by 40 positive divisors. The sum of these divisors (counting 20131280) is 1, the average is 0.025.

Base conversion 20131280

Base System Value
2 Binary 1001100110010110111010000
3 Ternary 1101212202220222
4 Quaternary 1030302313100
5 Quinary 20123200110
6 Senary 1555252212
8 Octal 114626720
10 Decimal 20131280
12 Duodecimal 68aa068
16 Hexadecimal 1332dd0
20 Vigesimal 65g840
36 Base36 bzhe8

Cryptographic Hash Functions

md5 ed22850ddb8cf3b8240fe2e16de76815
sha1 4bb968625e6a812c66425eba8d49a17878d62d44
sha256 0f05305105afa466c500a95414e7daeecfe52fd7d78f66726f801b986d9ed076
sha512 e80287206779f00f5879476e31bcb5d27a022a53613e0f1d1a44d83aab58af6e93abdcad883e5bbae4e8b2d4d8fd769e478e1203412a71c5a94979ebc772a123
ripemd-160 1e5feac3e7649a0601005b43538fd8a9ca8601f4

20131280 as geometric shapes

Circle

Radius = n
Diameter 40262560
Circumference 126488562.71072
Area 1.2731883363635E+15

Sphere

Radius = n
Volume 3.4174547856091E+22
Surface area 5.0927533454541E+15
Circumference 126488562.71072

Square

Length = n
Perimeter 80525120
Area 405268434438400
Diagonal 28469929.20393

Cube

Length = n
Surface area 2431610606630400
Volume 8.1585723288411E+21
Space diagonal 34868399.781395

Equilateral Triangle

Length = n
Perimeter 60393840
Area 1.754863797878E+14
Altitude 17434199.890698

Triangular Pyramid

Length = n
Surface area 1.754863797878E+14
Volume 9.6149696975407E+20
Height 9489976.4013101