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

81504265 (number)

81504265 is an odd 8-digits composite number following 81504264 and preceding 81504266. In scientific notation, it is written as 8.1504265 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 65203408 positive integers (up to 81504265) that are relatively prime to 81504265.

Interesting facts

81504265 has 4 divisors, whose sum is 97805124
The reverse of 81504265 is 56240518
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million five hundred four thousand two hundred sixty-five

Notation

Scientific notation	8.1504265 × 10^7
Engineering notation	8.1504265 × 10^6

Prime Factorization of 81504265

Prime Factorization 5 × 16300853

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81504265	Product of the distinct prime numbers

The prime factorization of 81504265 is 5 × 16300853. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 84, 54, 563, 22, 1700, 8782, 58344, 30932, 669606, 959313, 2765557, 8786673, 68549407, 49634926, 986465826, 162154929, 3990025211, 7535770610

Basic calculations (n = 81504265)

Multiplication

n×y

n×2	163008530
n×3	244512795
n×4	326017060
n×5	407521325

Division

n÷y

n÷2	40752132.5
n÷3	27168088.333333
n÷3	20376066.25
n÷5	16300853

Exponentiation

n^y

n²	6642945213190225
n³	5.4142836703634E+23
n⁴	4.4128721105447E+31
n⁵	3.5966789790894E+39

Nth Root

^y√n

²√n	9027.9712560464
³√n	433.57088585818
⁴√n	95.015636902809
⁵√n	38.215193862557

Divisors of 81504265

1, 5, 16300853, 81504265

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	-81504264	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 81504265 can be divided by 4 positive divisors. The sum of these divisors (counting 81504265) is 1, the average is 0.25.

Base conversion 81504265

Base	System	Value
2	Binary	100110110111010100000001001
3	Ternary	12200100211211111
4	Quaternary	10312322200021
5	Quinary	131331114030
6	Senary	12030530321
8	Octal	466724011
10	Decimal	81504265
12	Duodecimal	233669a1
16	Hexadecimal	4dba809
20	Vigesimal	15980d5
36	Base36	1cix3d

Cryptographic Hash Functions

md5	61afcd8cfb83a0d1d12565fcdab644b6
sha1	e428cbb03f03a61b398f52db81a3bc7b2e5cd7ca
sha256	01565bbd3f7fdadc8837e5486f5b0388a8b65953cd077fce67f738642f3d9d0b
sha512	db35e3a5d9d5e90857f84b8b6c762afb440f2ab89e41b87dc9437012e6e091271eb99cad7ad5f9b4dda8bb7c3c57bda2c5053cab1657e37cf88b8a48988758d7
ripemd-160	4682c26f96a8e083e96dcaac9a98e3e430772db8

81504265 as geometric shapes

Circle

Radius = n

Diameter	163008530
Circumference	512106400.32047
Area	2.0869427879958E+16

Sphere

Radius = n

Volume	2.2679298404353E+24
Surface area	8.3477711519832E+16
Circumference	512106400.32047

Square

Length = n

Perimeter	326017060
Area	6642945213190225
Diagonal	115264436.95425

Cube

Length = n

Surface area	39857671279141350
Volume	5.4142836703634E+23
Space diagonal	141169528.01356

Equilateral Triangle

Length = n

Perimeter	244512795
Area	2.8764796552855E+15
Altitude	70584764.006779

Triangular Pyramid

Length = n

Surface area	2.8764796552855E+15
Volume	6.3807944976359E+22
Height	38421478.98475