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

28913 (number)

28913 is an odd 5-digits composite number following 28912 and preceding 28914. In scientific notation, it is written as 2.8913 × 10^4. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 27888 positive integers (up to 28913) that are relatively prime to 28913.

Interesting facts

28913 has 4 divisors, whose sum is 29940
The reverse of 28913 is 31982
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 23
Digital Root 5

Name

Name	twenty-eight thousand nine hundred thirteen

Notation

Scientific notation	2.8913 × 10^4
Engineering notation	2.8913 × 10^3

Prime Factorization of 28913

Prime Factorization 29 × 997

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28913	Product of the distinct prime numbers

The prime factorization of 28913 is 29 × 997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 9, 94, 12, 502, 341, 8190, 1484, 89854, 40276, 985961, 591392, 2414456, 8643750, 56889707, 17975339, 641090593, 254207010, 8563814645, 5476493901

Basic calculations (n = 28913)

Multiplication

n×y

n×2	57826
n×3	86739
n×4	115652
n×5	144565

Division

n÷y

n÷2	14456.5
n÷3	9637.6666666667
n÷3	7228.25
n÷5	5782.6

Exponentiation

n^y

n²	835961569
n³	24170156844497
n⁴	698831744844941761
n⁵	2.0205322238702E+22

Nth Root

^y√n

²√n	170.03823099527
³√n	30.692414314125
⁴√n	13.039870819731
⁵√n	7.8022278912066

Divisors of 28913

1, 29, 997, 28913

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	-28912	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 28913 can be divided by 4 positive divisors. The sum of these divisors (counting 28913) is 1, the average is 0.25.

Base conversion 28913

Base	System	Value
2	Binary	111000011110001
3	Ternary	1110122212
4	Quaternary	13003301
5	Quinary	1411123
6	Senary	341505
8	Octal	70361
10	Decimal	28913
12	Duodecimal	14895
16	Hexadecimal	70f1
20	Vigesimal	3c5d
36	Base36	mb5

Cryptographic Hash Functions

md5	9a985e5d14e44dc2c97d12877dd7cd8c
sha1	b7e9382ef06c4d9f447430cbc8d05e4427566a9a
sha256	3229e73132ac333d9a649ce4eb0a9b9b49ad7ec79fb106549db2b61e2d1746c7
sha512	59be67418f6de3fe8f0e270d2424669446c1be2f81b774738a70338f7d470bd6f3acd2264e147aceb5936c8de9afc1eac88bd7f564ba5c4113bfccce0450186a
ripemd-160	902b5565bf2142e142c1b9d145a1f8b7c4c98406

28913 as geometric shapes

Circle

Radius = n

Diameter	57826
Circumference	181665.73678648
Area	2626250723.8538

Sphere

Radius = n

Volume	1.0124371623838E+14
Surface area	10505002895.415
Circumference	181665.73678648

Square

Length = n

Perimeter	115652
Area	835961569
Diagonal	40889.156728893

Cube

Length = n

Surface area	5015769414
Volume	24170156844497
Space diagonal	50078.784999239

Equilateral Triangle

Length = n

Perimeter	86739
Area	361981977.67075
Altitude	25039.392499619

Triangular Pyramid

Length = n

Surface area	361981977.67075
Volume	2848480301181
Height	13629.718909631