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

28131490 (number)

28131490 is an even 8-digits composite number following 28131489 and preceding 28131491. In scientific notation, it is written as 2.8131490 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 11252592 positive integers (up to 28131490) that are relatively prime to 28131490.

Interesting facts

28131490 has 8 divisors, whose sum is 50636700
The reverse of 28131490 is 09413182
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-eight million one hundred thirty-one thousand four hundred ninety

Notation

Scientific notation	2.8131490 × 10^7
Engineering notation	2.8131490 × 10^6

Prime Factorization of 28131490

Prime Factorization 2 × 5 × 2813149

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28131490	Product of the distinct prime numbers

The prime factorization of 28131490 is 2 × 5 × 2813149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 46, 83, 823, 925, 3619, 9868, 41994, 68937, 537104, 213170, 4162188, 2091023, 84474317, 99685543, 555722408, 1605325, 2166102357, 226280255

Basic calculations (n = 28131490)

Multiplication

n×y

n×2	56262980
n×3	84394470
n×4	112525960
n×5	140657450

Division

n÷y

n÷2	14065745
n÷3	9377163.3333333
n÷3	7032872.5
n÷5	5626298

Exponentiation

n^y

n²	791380729620100
n³	2.2262719081501E+22
n⁴	6.2628345921404E+29
n⁵	1.7618286870045E+37

Nth Root

^y√n

²√n	5303.9127066723
³√n	304.13348967799
⁴√n	72.827966514742
⁵√n	30.891468006587

Divisors of 28131490

1, 2, 5, 10, 2813149, 5626298, 14065745, 28131490

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	-28131489	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 28131490 can be divided by 8 positive divisors. The sum of these divisors (counting 28131490) is 1, the average is 0.125.

Base conversion 28131490

Base	System	Value
2	Binary	1101011010100000010100010
3	Ternary	1221221020011001
4	Quaternary	1223110002202
5	Quinary	24200201430
6	Senary	2442542214
8	Octal	153240242
10	Decimal	28131490
12	Duodecimal	950796a
16	Hexadecimal	1ad40a2
20	Vigesimal	8fg8ea
36	Base36	gqyea

Cryptographic Hash Functions

md5	102fe7f874d1976d4afe9c2bb8c5acb7
sha1	71ae7f1b8fc82eea48c401aac52f2761481f7d87
sha256	22158b1d7847ee2ef58e07ddd403cf472a904eb1aabf4eed65f29b6b817009a3
sha512	798421213ca8f902e95b078f3b2b6e05f5e37f6625548ad325a1776869f155466ae1d89fd8b9d40be69dd071da3f5aaec8b57d16fd782cf6b9b2bb586ee68961
ripemd-160	31de5977384c7b22226af10beccde2315da8014a

28131490 as geometric shapes

Circle

Radius = n

Diameter	56262980
Circumference	176755364.63707
Area	2.486195886367E+15

Sphere

Radius = n

Volume	9.3253859620501E+22
Surface area	9.9447835454681E+15
Circumference	176755364.63707

Square

Length = n

Perimeter	112525960
Area	791380729620100
Diagonal	39783934.687763

Cube

Length = n

Surface area	4748284377720600
Volume	2.2262719081501E+22
Space diagonal	48725169.972616

Equilateral Triangle

Length = n

Perimeter	84394470
Area	3.4267790795824E+14
Altitude	24362584.986308

Triangular Pyramid

Length = n

Surface area	3.4267790795824E+14
Volume	2.62368660503E+21
Height	13261311.562588