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

28991271 (number)

28991271 is an odd 8-digits composite number following 28991270 and preceding 28991272. In scientific notation, it is written as 2.8991271 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 18660992 positive integers (up to 28991271) that are relatively prime to 28991271.

Interesting facts

28991271 has 8 divisors, whose sum is 39988080
The reverse of 28991271 is 17219982
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty-eight million nine hundred ninety-one thousand two hundred seventy-one

Notation

Scientific notation	2.8991271 × 10^7
Engineering notation	2.8991271 × 10^6

Prime Factorization of 28991271

Prime Factorization 3 × 29 × 333233

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28991271	Product of the distinct prime numbers

The prime factorization of 28991271 is 3 × 29 × 333233. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 10, 53, 22, 828, 355, 4984, 574, 34159, 50772, 9303, 277986, 9834567, 4101793, 75863798, 52488937, 366379562, 768685161, 2353665797, 4440666385

Basic calculations (n = 28991271)

Multiplication

n×y

n×2	57982542
n×3	86973813
n×4	115965084
n×5	144956355

Division

n÷y

n÷2	14495635.5
n÷3	9663757
n÷3	7247817.75
n÷5	5798254.2

Exponentiation

n^y

n²	840493794195441
n³	2.4366983361338E+22
n⁴	7.0642981808105E+29
n⁵	2.0480298298468E+37

Nth Root

^y√n

²√n	5384.3542788342
³√n	307.20085389642
⁴√n	73.378159412963
⁵√n	31.07802781991

Divisors of 28991271

1, 3, 29, 87, 333233, 999699, 9663757, 28991271

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	-28991270	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 28991271 can be divided by 8 positive divisors. The sum of these divisors (counting 28991271) is 1, the average is 0.125.

Base conversion 28991271

Base	System	Value
2	Binary	1101110100101111100100111
3	Ternary	2000112220112210
4	Quaternary	1232211330213
5	Quinary	24410210041
6	Senary	2513214503
8	Octal	156457447
10	Decimal	28991271
12	Duodecimal	9861433
16	Hexadecimal	1ba5f27
20	Vigesimal	913i3b
36	Base36	h9dt3

Cryptographic Hash Functions

md5	2906285a9072ff86f82229d444af7cb8
sha1	78a17773ba31adfcfce7c744981007ab62d94a33
sha256	328da850373f3df09b74eaff6cf60625af29d7b0cbf31087a14972ff28e71a13
sha512	7ff46b52b9cb8207178f214225a8b13d58494aee627b11ebe037bd1f6bb05eb8e2e259843d1c5518acc837b7a686dd1a210fa9781983f0b79485624edc3e47a2
ripemd-160	c09f589a6eea9e501a85c5f4b5b03b528bdcfff2

28991271 as geometric shapes

Circle

Radius = n

Diameter	57982542
Circumference	182157527.98366
Area	2.6404891292322E+15

Sphere

Radius = n

Volume	1.0206818122417E+23
Surface area	1.0561956516929E+16
Circumference	182157527.98366

Square

Length = n

Perimeter	115965084
Area	840493794195441
Diagonal	40999848.638634

Cube

Length = n

Surface area	5042962765172646
Volume	2.4366983361338E+22
Space diagonal	50214354.347998

Equilateral Triangle

Length = n

Perimeter	86973813
Area	3.6394448874821E+14
Altitude	25107177.173999

Triangular Pyramid

Length = n

Surface area	3.6394448874821E+14
Volume	2.8716765286437E+21
Height	13666616.212878