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

81504709 (number)

81504709 is an odd 8-digits composite number following 81504708 and preceding 81504710. In scientific notation, it is written as 8.1504709 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 65419200 positive integers (up to 81504709) that are relatively prime to 81504709.

Interesting facts

81504709 has 16 divisors, whose sum is 99921024
The reverse of 81504709 is 90740518
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	eighty-one million five hundred four thousand seven hundred nine

Notation

Scientific notation	8.1504709 × 10^7
Engineering notation	8.1504709 × 10^6

Prime Factorization of 81504709

Prime Factorization 23 × 13 × 11 × 24781

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81504709	Product of the distinct prime numbers

The prime factorization of 81504709 is 23 × 13 × 11 × 24781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 17, 96, 1000, 125, 337, 5636, 5158, 18718, 487400, 568726, 723756, 845117, 86034871, 25876794, 908533712, 570438737, 6644326962, 9781755640

Basic calculations (n = 81504709)

Multiplication

n×y

n×2	163009418
n×3	244514127
n×4	326018836
n×5	407523545

Division

n÷y

n÷2	40752354.5
n÷3	27168236.333333
n÷3	20376177.25
n÷5	16300941.8

Exponentiation

n^y

n²	6643017589174681
n³	5.4143721548756E+23
n⁴	4.4129682690084E+31
n⁵	3.5967769459176E+39

Nth Root

^y√n

²√n	9027.9958462551
³√n	433.571673159
⁴√n	95.015766303573
⁵√n	38.215235498438

Divisors of 81504709

1, 11, 13, 23, 143, 253, 299, 3289, 24781, 272591, 322153, 569963, 3543683, 6269593, 7409519, 81504709

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81504708	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81504709 can be divided by 16 positive divisors. The sum of these divisors (counting 81504709) is 1, the average is 0.0625.

Base conversion 81504709

Base	System	Value
2	Binary	100110110111010100111000101
3	Ternary	12200100212102221
4	Quaternary	10312322213011
5	Quinary	131331122314
6	Senary	12030532341
8	Octal	466724705
10	Decimal	81504709
12	Duodecimal	233670b1
16	Hexadecimal	4dba9c5
20	Vigesimal	15981f9
36	Base36	1cixfp

Cryptographic Hash Functions

md5	5092bf8d538e4f98120e5add80dcf41d
sha1	0ea73697349c99737c16051d2429156dc929e6d8
sha256	22389a129a5ccaf29ac4608db5c9d466f15ba4896b39fb1eb679ab8a2fefe6c8
sha512	fa9ea4673be3368d2bb7eb8c9a3653a42a7e00b7cab4e11135185282cf6077e376394ee8755455249c454d8b0d993c42ec342ecd6d408e1965fa6a1a8e99db0c
ripemd-160	9abff03f0d5f455e17ff7dcc1cc265d884819aa6

81504709 as geometric shapes

Circle

Radius = n

Diameter	163009418
Circumference	512109190.05475
Area	2.0869655255819E+16

Sphere

Radius = n

Volume	2.2679669047411E+24
Surface area	8.3478621023276E+16
Circumference	512109190.05475

Square

Length = n

Perimeter	326018836
Area	6643017589174681
Diagonal	115265064.86507

Cube

Length = n

Surface area	39858105535048086
Volume	5.4143721548756E+23
Space diagonal	141170297.04412

Equilateral Triangle

Length = n

Perimeter	244514127
Area	2.8765109950061E+15
Altitude	70585148.522058

Triangular Pyramid

Length = n

Surface area	2.8765109950061E+15
Volume	6.3808987776336E+22
Height	38421688.288357