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

28931091 (number)

28931091 is an odd 8-digits composite number following 28931090 and preceding 28931092. In scientific notation, it is written as 2.8931091 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 15150240 positive integers (up to 28931091) that are relatively prime to 28931091.

Interesting facts

28931091 has 8 divisors, whose sum is 30513600
The reverse of 28931091 is 19013982
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-eight million nine hundred thirty-one thousand ninety-one

Notation

Scientific notation	2.8931091 × 10^7
Engineering notation	2.8931091 × 10^6

Prime Factorization of 28931091

Prime Factorization 651 × 19 × 2339

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28931091	Product of the distinct prime numbers

The prime factorization of 28931091 is 651 × 19 × 2339. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 44, 100, 817, 69, 7615, 1178, 44173, 84806, 203231, 31343, 4966709, 8493992, 87809669, 51816859, 768710399, 692321493, 9189946120, 4913864675

Basic calculations (n = 28931091)

Multiplication

n×y

n×2	57862182
n×3	86793273
n×4	115724364
n×5	144655455

Division

n÷y

n÷2	14465545.5
n÷3	9643697
n÷3	7232772.75
n÷5	5786218.2

Exponentiation

n^y

n²	837008026450281
n³	2.4215555380963E+22
n⁴	7.0058243634219E+29
n⁵	2.0268614218818E+37

Nth Root

^y√n

²√n	5378.7629618714
³√n	306.98814442081
⁴√n	73.340050189998
⁵√n	31.065114756689

Divisors of 28931091

1, 19, 651, 2339, 12369, 44441, 1522689, 28931091

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	-28931090	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 28931091 can be divided by 8 positive divisors. The sum of these divisors (counting 28931091) is 1, the average is 0.125.

Base conversion 28931091

Base	System	Value
2	Binary	1101110010111010000010011
3	Ternary	2000102211222220
4	Quaternary	1232113100103
5	Quinary	24401243331
6	Senary	2512032123
8	Octal	156272023
10	Decimal	28931091
12	Duodecimal	9832643
16	Hexadecimal	1b97413
20	Vigesimal	90g7eb
36	Base36	h83df

Cryptographic Hash Functions

md5	c2947627dbb6658eb38fecec1b453989
sha1	4a8167db2932e88b528241e7a167f45bb745f010
sha256	807bc087edcada09b8f560cebabf4d6851c80bfa19a61190a87589b3f5e63371
sha512	e6095b8edd7a97417932fd21f1e78cd28ab3cce390990d42b5b7a02690bdd3d16ec5d81e48245a76ad47a64a1c7048a0c6d1f4850e11f544cb73ae81b4f96918
ripemd-160	3089429460a50e32b581c715a2286bb591e28442

28931091 as geometric shapes

Circle

Radius = n

Diameter	57862182
Circumference	181779405.89188
Area	2.6295382668919E+15

Sphere

Radius = n

Volume	1.0143388118324E+23
Surface area	1.0518153067568E+16
Circumference	181779405.89188

Square

Length = n

Perimeter	115724364
Area	837008026450281
Diagonal	40914741.26645

Cube

Length = n

Surface area	5022048158701686
Volume	2.4215555380963E+22
Space diagonal	50110119.530399

Equilateral Triangle

Length = n

Perimeter	86793273
Area	3.6243510703871E+14
Altitude	25055059.765199

Triangular Pyramid

Length = n

Surface area	3.6243510703871E+14
Volume	2.8538305700129E+21
Height	13638247.088817