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

28391109 (number)

28391109 is an odd 8-digits composite number following 28391108 and preceding 28391110. In scientific notation, it is written as 2.8391109 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 18927404 positive integers (up to 28391109) that are relatively prime to 28391109.

Interesting facts

28391109 has 4 divisors, whose sum is 37854816
The reverse of 28391109 is 90119382
Previous prime number is 3

Basic properties

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

Name

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

Notation

Scientific notation	2.8391109 × 10^7
Engineering notation	2.8391109 × 10^6

Prime Factorization of 28391109

Prime Factorization 3 × 9463703

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28391109	Product of the distinct prime numbers

The prime factorization of 28391109 is 3 × 9463703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 7, 3, 58, 630, 906, 634, 3432, 977, 48992, 619142, 294537, 1808813, 8160423, 19666330, 66176774, 52514104, 900631122, 8701597323, 4618393595

Basic calculations (n = 28391109)

Multiplication

n×y

n×2	56782218
n×3	85173327
n×4	113564436
n×5	141955545

Division

n÷y

n÷2	14195554.5
n÷3	9463703
n÷3	7097777.25
n÷5	5678221.8

Exponentiation

n^y

n²	806055070249881
n³	2.2884797359467E+22
n⁴	6.4972477627554E+29
n⁵	1.8446406943239E+37

Nth Root

^y√n

²√n	5328.330789281
³√n	305.06621871364
⁴√n	72.995416221027
⁵√n	30.948276721545

Divisors of 28391109

1, 3, 9463703, 28391109

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	-28391108	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 28391109 can be divided by 4 positive divisors. The sum of these divisors (counting 28391109) is 1, the average is 0.25.

Base conversion 28391109

Base	System	Value
2	Binary	1101100010011011011000101
3	Ternary	1222102102021120
4	Quaternary	1230103123011
5	Quinary	24232003414
6	Senary	2452304153
8	Octal	154233305
10	Decimal	28391109
12	Duodecimal	9612059
16	Hexadecimal	1b136c5
20	Vigesimal	8h8hf9
36	Base36	gwipx

Cryptographic Hash Functions

md5	b9c6ea0282b7bc8651806eb09bf3e324
sha1	1ebff123cc732eff44ce2704b3bcaa95038e8c25
sha256	819a02cbad31dc02a92c9545e682a5335b2e56a62b6492f95ed0c1baa563d588
sha512	790183d39976e50f586107ac54d5edefcbba4b50c1e4df97aeb929550564b8a4e7411b61f7c7b1a65062ef00d71e4cc63befccf6684462adf97beff10ad55b6f
ripemd-160	29613d48a6121dd2b1727cac64185d57333caeea

28391109 as geometric shapes

Circle

Radius = n

Diameter	56782218
Circumference	178386598.92333
Area	2.5322966870858E+15

Sphere

Radius = n

Volume	9.5859615017857E+22
Surface area	1.0129186748343E+16
Circumference	178386598.92333

Square

Length = n

Perimeter	113564436
Area	806055070249881
Diagonal	40151091.398613

Cube

Length = n

Surface area	4836330421499286
Volume	2.2884797359467E+22
Space diagonal	49174843.271226

Equilateral Triangle

Length = n

Perimeter	85173327
Area	3.4903208384282E+14
Altitude	24587421.635613

Triangular Pyramid

Length = n

Surface area	3.4903208384282E+14
Volume	2.6969992331599E+21
Height	13383697.132871