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

28931689 (number)

28931689 is an odd 8-digits composite number following 28931688 and preceding 28931690. In scientific notation, it is written as 2.8931689 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 28824660 positive integers (up to 28931689) that are relatively prime to 28931689.

Interesting facts

28931689 has 4 divisors, whose sum is 29038720
The reverse of 28931689 is 98613982
Previous prime number is 271

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	2.8931689 × 10^7
Engineering notation	2.8931689 × 10^6

Prime Factorization of 28931689

Prime Factorization 271 × 106759

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28931689	Product of the distinct prime numbers

The prime factorization of 28931689 is 271 × 106759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 64, 46, 728, 860, 7909, 6118, 19107, 92337, 314261, 670494, 7423399, 8069132, 52529435, 81646811, 61861538, 218000854, 2001491471, 9702202848

Basic calculations (n = 28931689)

Multiplication

n×y

n×2	57863378
n×3	86795067
n×4	115726756
n×5	144658445

Division

n÷y

n÷2	14465844.5
n÷3	9643896.3333333
n÷3	7232922.25
n÷5	5786337.8

Exponentiation

n^y

n²	837042628392721
n³	2.4217057004401E+22
n⁴	7.0064036174659E+29
n⁵	2.02707090469E+37

Nth Root

^y√n

²√n	5378.8185505741
³√n	306.99025953456
⁴√n	73.340429168189
⁵√n	31.065243177598

Divisors of 28931689

1, 271, 106759, 28931689

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28931688	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931689 can be divided by 4 positive divisors. The sum of these divisors (counting 28931689) is 1, the average is 0.25.

Base conversion 28931689

Base	System	Value
2	Binary	1101110010111011001101001
3	Ternary	2000102212211001
4	Quaternary	1232113121221
5	Quinary	24401303224
6	Senary	2512035001
8	Octal	156273151
10	Decimal	28931689
12	Duodecimal	9832a61
16	Hexadecimal	1b97669
20	Vigesimal	90g949
36	Base36	h83u1

Cryptographic Hash Functions

md5	8d8f8ab5bba65f4458b1f69d8c351629
sha1	840b6fb14b83c5832e380f7bd5fe5e11bbe2190d
sha256	ddfa2ecfd25f63ff0a91db8108f6cb7dd768804a2f7c0e5b1c5c73fa467b7417
sha512	5c4197df8d5a3930e8f46861c9eac5bf2a4c02a4078f88c5585600f5e42b79815ffbe1e7070581faab50bcf3a4bebd9c7dfb70cc51cc1fce41a63c49b78fe080
ripemd-160	dbe4f496f8e391148ac389088d22c729b322ac56

28931689 as geometric shapes

Circle

Radius = n

Diameter	57863378
Circumference	181783163.23669
Area	2.6296469721001E+15

Sphere

Radius = n

Volume	1.0144017116879E+23
Surface area	1.05185878884E+16
Circumference	181783163.23669

Square

Length = n

Perimeter	115726756
Area	837042628392721
Diagonal	40915586.96616

Cube

Length = n

Surface area	5022255770356326
Volume	2.4217057004401E+22
Space diagonal	50111155.296782

Equilateral Triangle

Length = n

Perimeter	86795067
Area	3.624500901193E+14
Altitude	25055577.648391

Triangular Pyramid

Length = n

Surface area	3.624500901193E+14
Volume	2.8540075380322E+21
Height	13638528.98872