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

81488 (number)

81488 is an even 5-digits composite number following 81487 and preceding 81489. In scientific notation, it is written as 8.1488 × 10^4. The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors. There are 36960 positive integers (up to 81488) that are relatively prime to 81488.

Interesting facts

81488 has 20 divisors, whose sum is 172608
The reverse of 81488 is 88418
Previous prime number is 11

Basic properties

Is Prime? no
Number parity even
Number length 5
Sum of Digits 29
Digital Root 2

Name

Name	eighty-one thousand four hundred eighty-eight

Notation

Scientific notation	8.1488 × 10^4
Engineering notation	8.1488 × 10^3

Prime Factorization of 81488

Prime Factorization 2 × 2 × 2 × 2 × 11 × 463

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	10186	Product of the distinct prime numbers

The prime factorization of 81488 is 2 × 2 × 2 × 2 × 11 × 463. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 6, 31, 41, 597, 442, 393, 2658, 52920, 77173, 807137, 610572, 7751790, 5144525, 91406605, 45234535, 709694241, 61521228, 534825356, 2300482726

Basic calculations (n = 81488)

Multiplication

n×y

n×2	162976
n×3	244464
n×4	325952
n×5	407440

Division

n÷y

n÷2	40744
n÷3	27162.666666667
n÷3	20372
n÷5	16297.6

Exponentiation

n^y

n²	6640294144
n³	541104289206272
n⁴	4.4093506318841E+19
n⁵	3.5930916429097E+24

Nth Root

^y√n

²√n	285.46103061539
³√n	43.354204278838
⁴√n	16.895592046904
⁵√n	9.5988395391151

Divisors of 81488

1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 463, 926, 1852, 3704, 5093, 7408, 10186, 20372, 40744, 81488

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81487	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81488 can be divided by 20 positive divisors. The sum of these divisors (counting 81488) is 1, the average is 0.05.

Base conversion 81488

Base	System	Value
2	Binary	10011111001010000
3	Ternary	11010210002
4	Quaternary	103321100
5	Quinary	10101423
6	Senary	1425132
8	Octal	237120
10	Decimal	81488
12	Duodecimal	3b1a8
16	Hexadecimal	13e50
20	Vigesimal	a3e8
36	Base36	1qvk

Cryptographic Hash Functions

md5	a60ced6e3254569ab0812dbf7de00f98
sha1	d433c18e17135a762f29f12a9dff74bacec7147a
sha256	a1c239e33ed9a2b97e0e8ead61f6e9813032f58cfc8a7d9b4f81b3a4493cd93a
sha512	102c1d9d53444f3c2d958a0fd9d6f31933605a4830121f6da90d1abbba46ca8c69ba49e82384b15f491bb37401bfd205db886cf57486ae8b047807b2c946ce99
ripemd-160	174eda7f4f936887be0d0d6eb692253199baeafe

81488 as geometric shapes

Circle

Radius = n

Diameter	162976
Circumference	512004.20431145
Area	20861099300.466

Sphere

Radius = n

Volume	2.2665723463951E+15
Surface area	83444397201.863
Circumference	512004.20431145

Square

Length = n

Perimeter	325952
Area	6640294144
Diagonal	115241.43477066

Cube

Length = n

Surface area	39841764864
Volume	541104289206272
Space diagonal	141141.35620717

Equilateral Triangle

Length = n

Perimeter	244464
Area	2875331708.6525
Altitude	70570.678103586

Triangular Pyramid

Length = n

Surface area	2875331708.6525
Volume	63769752037814
Height	38413.81159022