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

28991251 (number)

28991251 is an odd 8-digits prime number following 28991250 and preceding 28991252. In scientific notation, it is written as 2.8991251 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 28991250 positive integers (up to 28991251) that are relatively prime to 28991251.

Interesting facts

28991251 has 2 divisors, whose sum is 28991252
The reverse of 28991251 is 15219982
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.8991251 × 10^7
Engineering notation	2.8991251 × 10^6

Prime Factorization of 28991251

Prime Factorization 28991251

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	28991251	Product of the distinct prime numbers

The prime factorization of 28991251 is 28991251. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 3, 80, 38, 860, 401, 199, 4692, 65839, 38310, 113333, 357485, 9785163, 7330574, 86721686, 93156330, 954536009, 311093635, 8913533895, 5733563059

Basic calculations (n = 28991251)

Multiplication

n×y

n×2	57982502
n×3	86973753
n×4	115965004
n×5	144956255

Division

n÷y

n÷2	14495625.5
n÷3	9663750.3333333
n÷3	7247812.75
n÷5	5798250.2

Exponentiation

n^y

n²	840492634545001
n³	2.4366932931745E+22
n⁴	7.064278687244E+29
n⁵	2.0480227655584E+37

Nth Root

^y√n

²√n	5384.3524216009
³√n	307.20078325425
⁴√n	73.378146757744
⁵√n	31.078023531993

Divisors of 28991251

1, 28991251

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	28991252	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	14495626	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	5384.3525144626	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999310137	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991251 can be divided by 2 positive divisors. The sum of these divisors (counting 28991251) is 28991252, the average is 14495626.

Base conversion 28991251

Base	System	Value
2	Binary	1101110100101111100010011
3	Ternary	2000112220112001
4	Quaternary	1232211330103
5	Quinary	24410210001
6	Senary	2513214431
8	Octal	156457423
10	Decimal	28991251
12	Duodecimal	9861417
16	Hexadecimal	1ba5f13
20	Vigesimal	913i2b
36	Base36	h9dsj

Cryptographic Hash Functions

md5	7ac0f1b48c2ead94377e303253205155
sha1	a2bcf91d35597b8594b2060146fbcef38374b60b
sha256	b6e357702ff60abb29c5e9ada65ac995f667b0d242fabbdc515a837f3b092c21
sha512	9f4555bdf3bb776d658a3c9674eeb5b92a77644cf5f50116411ce581b571a3d28a54ad222eb244402aeb9037c532f3830b67f92eaedbf64756add7b719bf9937
ripemd-160	3fa3c5f605af81dbe5c16847abbdbd63d2c5800a

28991251 as geometric shapes

Circle

Radius = n

Diameter	57982502
Circumference	182157402.31996
Area	2.6404854860829E+15

Sphere

Radius = n

Volume	1.0206796998518E+23
Surface area	1.0561941944332E+16
Circumference	182157402.31996

Square

Length = n

Perimeter	115965004
Area	840492634545001
Diagonal	40999820.354363

Cube

Length = n

Surface area	5042955807270006
Volume	2.4366932931745E+22
Space diagonal	50214319.706982

Equilateral Triangle

Length = n

Perimeter	86973753
Area	3.6394398660484E+14
Altitude	25107159.853491

Triangular Pyramid

Length = n

Surface area	3.6394398660484E+14
Volume	2.8716705854592E+21
Height	13666606.784788