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

28931138 (number)

28931138 is an even 8-digits composite number following 28931137 and preceding 28931139. In scientific notation, it is written as 2.8931138 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 14451220 positive integers (up to 28931138) that are relatively prime to 28931138.

Interesting facts

28931138 has 8 divisors, whose sum is 43439760
The reverse of 28931138 is 83113982
Previous prime number is 1091

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.8931138 × 10^7
Engineering notation	2.8931138 × 10^6

Prime Factorization of 28931138

Prime Factorization 2 × 1091 × 13259

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28931138	Product of the distinct prime numbers

The prime factorization of 28931138 is 2 × 1091 × 13259. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 34, 13, 563, 284, 6614, 6474, 62832, 77796, 333347, 42448, 7455774, 2928859, 1247430, 8032365, 685023720, 293589191, 8796159377, 1869009485

Basic calculations (n = 28931138)

Multiplication

n×y

n×2	57862276
n×3	86793414
n×4	115724552
n×5	144655690

Division

n÷y

n÷2	14465569
n÷3	9643712.6666667
n÷3	7232784.5
n÷5	5786227.6

Exponentiation

n^y

n²	837010745975044
n³	2.4215673399287E+22
n⁴	7.005869888777E+29
n⁵	2.0268778856225E+37

Nth Root

^y√n

²√n	5378.767330904
³√n	306.9883106599
⁴√n	73.340079976122
⁵√n	31.065124850048

Divisors of 28931138

1, 2, 1091, 2182, 13259, 26518, 14465569, 28931138

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	-28931137	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 28931138 can be divided by 8 positive divisors. The sum of these divisors (counting 28931138) is 1, the average is 0.125.

Base conversion 28931138

Base	System	Value
2	Binary	1101110010111010001000010
3	Ternary	2000102212001122
4	Quaternary	1232113101002
5	Quinary	24401244023
6	Senary	2512032242
8	Octal	156272102
10	Decimal	28931138
12	Duodecimal	9832682
16	Hexadecimal	1b97442
20	Vigesimal	90g7gi
36	Base36	h83eq

Cryptographic Hash Functions

md5	8b8da8e3692af51d88b9fc2cf0e107a5
sha1	5e10ffdea656b78e9d1ca6269704ad20da07a699
sha256	aa457f96b4910c0f79f897cc4ef2d688320d522cb1ae0d167ef735f438168050
sha512	b73bbd140ca35a38ec581973b7f90b42d40b20263f211a0aec3386e74910d0b4f8b1d67b72fb36fc0cfeb0f5d6c07ef0dabbbcc76ab0690be1b8e38502481003
ripemd-160	99dfe7e5f902b664aee0f1f94539f3f7147e41f6

28931138 as geometric shapes

Circle

Radius = n

Diameter	57862276
Circumference	181779701.20158
Area	2.6295468105309E+15

Sphere

Radius = n

Volume	1.0143437553724E+23
Surface area	1.0518187242124E+16
Circumference	181779701.20158

Square

Length = n

Perimeter	115724552
Area	837010745975044
Diagonal	40914807.734488

Cube

Length = n

Surface area	5022064475850264
Volume	2.4215673399287E+22
Space diagonal	50110200.936787

Equilateral Triangle

Length = n

Perimeter	86793414
Area	3.6243628462748E+14
Altitude	25055100.468393

Triangular Pyramid

Length = n

Surface area	3.6243628462748E+14
Volume	2.8538444786057E+21
Height	13638269.244829