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

28691389 (number)

28691389 is an odd 8-digits composite number following 28691388 and preceding 28691390. In scientific notation, it is written as 2.8691389 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 28589724 positive integers (up to 28691389) that are relatively prime to 28691389.

Interesting facts

28691389 has 4 divisors, whose sum is 28793056
The reverse of 28691389 is 98319682
Previous prime number is 283

Basic properties

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

Name

Name	twenty-eight million six hundred ninety-one thousand three hundred eighty-nine

Notation

Scientific notation	2.8691389 × 10^7
Engineering notation	2.8691389 × 10^6

Prime Factorization of 28691389

Prime Factorization 283 × 101383

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28691389	Product of the distinct prime numbers

The prime factorization of 28691389 is 283 × 101383. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 66, 74, 317, 612, 2882, 6150, 93963, 61032, 802458, 302425, 6258938, 1247677, 88571912, 59482315, 329767184, 551593341, 1703184580, 9628364965

Basic calculations (n = 28691389)

Multiplication

n×y

n×2	57382778
n×3	86074167
n×4	114765556
n×5	143456945

Division

n÷y

n÷2	14345694.5
n÷3	9563796.3333333
n÷3	7172847.25
n÷5	5738277.8

Exponentiation

n^y

n²	823195802749321
n³	2.3618630999848E+22
n⁴	6.776513296641E+29
n⁵	1.944275790576E+37

Nth Root

^y√n

²√n	5356.4343550537
³√n	306.13796518363
⁴√n	73.18766532042
⁵√n	31.013466710527

Divisors of 28691389

1, 283, 101383, 28691389

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	-28691388	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 28691389 can be divided by 4 positive divisors. The sum of these divisors (counting 28691389) is 1, the average is 0.25.

Base conversion 28691389

Base	System	Value
2	Binary	1101101011100101110111101
3	Ternary	1222222200012001
4	Quaternary	1231130232331
5	Quinary	24321111024
6	Senary	2502542301
8	Octal	155345675
10	Decimal	28691389
12	Duodecimal	9737991
16	Hexadecimal	1b5cbbd
20	Vigesimal	8j6899
36	Base36	h2yf1

Cryptographic Hash Functions

md5	dcf8e7554cde4217da243018c0e767f0
sha1	c57ea940e51cf5ad436587f4409eb26f57f74f59
sha256	c31126ac5a104b92e51569414fc5c13829e8149c9702ff382da843bb90f6aeb0
sha512	6ce442ed898feb8d6706fc14a64b07344f0131c7bed52970187dc9e306c9086e9ef92eae91f655bf236fae95190304ba9ee4ceaf3c45b73d62e396632e0b4480
ripemd-160	851b24e2ac5abf47596c18d5160f049a84ebad45

28691389 as geometric shapes

Circle

Radius = n

Diameter	57382778
Circumference	180273313.80737
Area	2.5861458863832E+15

Sphere

Radius = n

Volume	9.8933490182628E+22
Surface area	1.0344583545533E+16
Circumference	180273313.80737

Square

Length = n

Perimeter	114765556
Area	823195802749321
Diagonal	40575751.447122

Cube

Length = n

Surface area	4939174816495926
Volume	2.3618630999848E+22
Space diagonal	49694943.487723

Equilateral Triangle

Length = n

Perimeter	86074167
Area	3.5645423873482E+14
Altitude	24847471.743861

Triangular Pyramid

Length = n

Surface area	3.5645423873482E+14
Volume	2.7834823570559E+21
Height	13525250.482374