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

28291391 (number)

28291391 is an odd 8-digits composite number following 28291390 and preceding 28291392. In scientific notation, it is written as 2.8291391 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 28274400 positive integers (up to 28291391) that are relatively prime to 28291391.

Interesting facts

28291391 has 4 divisors, whose sum is 28308384
The reverse of 28291391 is 19319282
Previous prime number is 15121

Basic properties

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

Name

Name	twenty-eight million two hundred ninety-one thousand three hundred ninety-one

Notation

Scientific notation	2.8291391 × 10^7
Engineering notation	2.8291391 × 10^6

Prime Factorization of 28291391

Prime Factorization 15121 × 1871

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28291391	Product of the distinct prime numbers

The prime factorization of 28291391 is 15121 × 1871. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 14, 95, 64, 306, 3302, 6867, 84251, 49516, 435705, 906858, 6428693, 3861296, 83274890, 66773070, 54617255, 986473187, 7473910208, 2671907019

Basic calculations (n = 28291391)

Multiplication

n×y

n×2	56582782
n×3	84874173
n×4	113165564
n×5	141456955

Division

n÷y

n÷2	14145695.5
n÷3	9430463.6666667
n÷3	7072847.75
n÷5	5658278.2

Exponentiation

n^y

n²	800402804714881
n³	2.2644508705685E+22
n⁴	6.4064464979545E+29
n⁵	1.8124728279421E+37

Nth Root

^y√n

²√n	5318.9652189124
³√n	304.70863871398
⁴√n	72.931236236008
⁵√n	30.926506207842

Divisors of 28291391

1, 1871, 15121, 28291391

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	-28291390	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 28291391 can be divided by 4 positive divisors. The sum of these divisors (counting 28291391) is 1, the average is 0.25.

Base conversion 28291391

Base	System	Value
2	Binary	1101011111011000100111111
3	Ternary	1222020100111022
4	Quaternary	1223323010333
5	Quinary	24220311031
6	Senary	2450214355
8	Octal	153730477
10	Decimal	28291391
12	Duodecimal	95843bb
16	Hexadecimal	1afb13f
20	Vigesimal	8gg89b
36	Base36	gudrz

Cryptographic Hash Functions

md5	555329ec27225502e41aa24c5ecca6c8
sha1	444b9f9587ed9c2c6a96940eb6789d156a52d8c4
sha256	3b3a581e3ff5a081ec1c24282eadbe18b9bd2d38ac75fa7ad3013a5b0209130f
sha512	58d283ce303aa85878df01b875cfb9a283f4b70f126652908764109479d47b88ca941b012547bef3fb11808376682979c4003ef44c5ad34cd644f84e26dec9c8
ripemd-160	1c6a414b9e9b753093cd090a029d4e8b340df5da

28291391 as geometric shapes

Circle

Radius = n

Diameter	56582782
Circumference	177760052.25087
Area	2.5145395712049E+15

Sphere

Radius = n

Volume	9.4853096258575E+22
Surface area	1.005815828482E+16
Circumference	177760052.25087

Square

Length = n

Perimeter	113165564
Area	800402804714881
Diagonal	40010068.8506

Cube

Length = n

Surface area	4802416828289286
Volume	2.2644508705685E+22
Space diagonal	49002126.628797

Equilateral Triangle

Length = n

Perimeter	84874173
Area	3.465845810717E+14
Altitude	24501063.314398

Triangular Pyramid

Length = n

Surface area	3.465845810717E+14
Volume	2.668680943738E+21
Height	13336689.616867