Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

28131531 (number)

28131531 is an odd 8-digits composite number following 28131530 and preceding 28131532. In scientific notation, it is written as 2.8131531 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 18694560 positive integers (up to 28131531) that are relatively prime to 28131531.

Interesting facts

28131531 has 8 divisors, whose sum is 37628304
The reverse of 28131531 is 13513182
Previous prime number is 317

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty-eight million one hundred thirty-one thousand five hundred thirty-one

Notation

Scientific notation	2.8131531 × 10^7
Engineering notation	2.8131531 × 10^6

Prime Factorization of 28131531

Prime Factorization 3 × 317 × 29581

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28131531	Product of the distinct prime numbers

The prime factorization of 28131531 is 3 × 317 × 29581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 40, 48, 977, 316, 5193, 8742, 9326, 98229, 64317, 196114, 8466269, 967166, 45268699, 88268456, 133228986, 144651496, 8010379188, 8200454535

Basic calculations (n = 28131531)

Multiplication

n×y

n×2	56263062
n×3	84394593
n×4	112526124
n×5	140657655

Division

n÷y

n÷2	14065765.5
n÷3	9377177
n÷3	7032882.75
n÷5	5626306.2

Exponentiation

n^y

n²	791383036403961
n³	2.2262816421472E+22
n⁴	6.2628711030795E+29
n⁵	1.7618415258529E+37

Nth Root

^y√n

²√n	5303.9165717421
³√n	304.13363743017
⁴√n	72.827993050352
⁵√n	30.891477011083

Divisors of 28131531

1, 3, 317, 951, 29581, 88743, 9377177, 28131531

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28131530	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28131531 can be divided by 8 positive divisors. The sum of these divisors (counting 28131531) is 1, the average is 0.125.

Base conversion 28131531

Base	System	Value
2	Binary	1101011010100000011001011
3	Ternary	1221221020012120
4	Quaternary	1223110003023
5	Quinary	24200202111
6	Senary	2442542323
8	Octal	153240313
10	Decimal	28131531
12	Duodecimal	95079a3
16	Hexadecimal	1ad40cb
20	Vigesimal	8fg8gb
36	Base36	gqyff

Cryptographic Hash Functions

md5	4680efe9f701408fa223240078ac5e04
sha1	ce2fe9e8eb1bccb30fd8b5d67552f079fa510ac6
sha256	81a11ae45906e2d3488ca4bf2b352191d7373fafe408e5a28a888e9af192d286
sha512	00fb3647168ea9688047493cc3d28504b350ef62d2812704826f66eefc5c22b3fd9f38c66f63b42fa6952baaba83c631b09981203e28b3926f97b5ca1824ac0d
ripemd-160	11f2ed85f851a8ddbebe59c26ad374e954c6bbb3

28131531 as geometric shapes

Circle

Radius = n

Diameter	56263062
Circumference	176755622.24767
Area	2.4862031333423E+15

Sphere

Radius = n

Volume	9.325426735722E+22
Surface area	9.9448125333691E+15
Circumference	176755622.24767

Square

Length = n

Perimeter	112526124
Area	791383036403961
Diagonal	39783992.670519

Cube

Length = n

Surface area	4748298218423766
Volume	2.2262816421472E+22
Space diagonal	48725240.986699

Equilateral Triangle

Length = n

Perimeter	84394593
Area	3.4267890682495E+14
Altitude	24362620.493349

Triangular Pyramid

Length = n

Surface area	3.4267890682495E+14
Volume	2.6236980766557E+21
Height	13261330.890173