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

28231389 (number)

28231389 is an odd 8-digits composite number following 28231388 and preceding 28231390. In scientific notation, it is written as 2.8231389 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 18820908 positive integers (up to 28231389) that are relatively prime to 28231389.

Interesting facts

28231389 has 8 divisors, whose sum is 41824320
The reverse of 28231389 is 98313282
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty-eight million two hundred thirty-one thousand three hundred eighty-nine

Notation

Scientific notation	2.8231389 × 10^7
Engineering notation	2.8231389 × 10^6

Prime Factorization of 28231389

Prime Factorization 3 × 9 × 1045607

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28231389	Product of the distinct prime numbers

The prime factorization of 28231389 is 3 × 9 × 1045607. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 8, 49, 91, 147, 128, 2137, 8831, 6240, 26894, 140043, 446785, 362866, 6499421, 26927018, 59407272, 355290277, 514618208, 1601991259, 3381426358

Basic calculations (n = 28231389)

Multiplication

n×y

n×2	56462778
n×3	84694167
n×4	112925556
n×5	141156945

Division

n÷y

n÷2	14115694.5
n÷3	9410463
n÷3	7057847.25
n÷5	5646277.8

Exponentiation

n^y

n²	797011324869321
n³	2.2500736749791E+22
n⁴	6.3522705196995E+29
n⁵	1.7933342007487E+37

Nth Root

^y√n

²√n	5313.321842313
³√n	304.49307174413
⁴√n	72.892536259297
⁵√n	30.913376924372

Divisors of 28231389

1, 3, 9, 27, 1045607, 3136821, 9410463, 28231389

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	-28231388	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 28231389 can be divided by 8 positive divisors. The sum of these divisors (counting 28231389) is 1, the average is 0.125.

Base conversion 28231389

Base	System	Value
2	Binary	1101011101100011011011101
3	Ternary	1222010022012000
4	Quaternary	1223230123131
5	Quinary	24211401024
6	Senary	2445032513
8	Octal	153543335
10	Decimal	28231389
12	Duodecimal	9555739
16	Hexadecimal	1aec6dd
20	Vigesimal	8g8i99
36	Base36	gt3h9

Cryptographic Hash Functions

md5	8364dc60cd3d3b7d22a11e2e39664591
sha1	7b21bbc208de86b5c1e761f71bfc5af357750c16
sha256	c1189b93d1eba384230a71121558df103648abb986840c6b16fde7e2ee71591e
sha512	dcd454712a860b449e93a81e0c3fa738f32562567e54c3cd1d87831535562030201d0c8176f9a429756954bc0e47aad06449192850be7a634d4b7ce9946fdb3a
ripemd-160	5583a15d81570cbf209212b1c9a8b0ce8bd94782

28231389 as geometric shapes

Circle

Radius = n

Diameter	56462778
Circumference	177383048.56607
Area	2.5038849230373E+15

Sphere

Radius = n

Volume	9.4250865698002E+22
Surface area	1.0015539692149E+16
Circumference	177383048.56607

Square

Length = n

Perimeter	112925556
Area	797011324869321
Diagonal	39925213.208431

Cube

Length = n

Surface area	4782067949215926
Volume	2.2500736749791E+22
Space diagonal	48898200.116241

Equilateral Triangle

Length = n

Perimeter	84694167
Area	3.4511602722036E+14
Altitude	24449100.058121

Triangular Pyramid

Length = n

Surface area	3.4511602722036E+14
Volume	2.6517372562451E+21
Height	13308404.40281