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

81444481 (number)

81444481 is an odd 8-digits composite number following 81444480 and preceding 81444482. In scientific notation, it is written as 8.1444481 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 80638000 positive integers (up to 81444481) that are relatively prime to 81444481.

Interesting facts

81444481 has 4 divisors, whose sum is 82250964
The reverse of 81444481 is 18444418
Previous prime number is 101

Basic properties

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

Name

Name	eighty-one million four hundred forty-four thousand four hundred eighty-one

Notation

Scientific notation	8.1444481 × 10^7
Engineering notation	8.1444481 × 10^6

Prime Factorization of 81444481

Prime Factorization 101 × 806381

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81444481	Product of the distinct prime numbers

The prime factorization of 81444481 is 101 × 806381. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 68, 74, 475, 899, 3089, 7808, 90458, 76209, 368053, 435669, 6459453, 4048879, 56492327, 89592321, 404758101, 594410604, 14909938, 5104903928

Basic calculations (n = 81444481)

Multiplication

n×y

n×2	162888962
n×3	244333443
n×4	325777924
n×5	407222405

Division

n÷y

n÷2	40722240.5
n÷3	27148160.333333
n÷3	20361120.25
n÷5	16288896.2

Exponentiation

n^y

n²	6633203485359361
n³	5.4023781523248E+23
n⁴	4.3999388478184E+31
n⁵	3.583507358923E+39

Nth Root

^y√n

²√n	9024.6596057691
³√n	433.46485074424
⁴√n	94.998208434523
⁵√n	38.209585989717

Divisors of 81444481

1, 101, 806381, 81444481

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	-81444480	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 81444481 can be divided by 4 positive divisors. The sum of these divisors (counting 81444481) is 1, the average is 0.25.

Base conversion 81444481

Base	System	Value
2	Binary	100110110101011111010000001
3	Ternary	12200020210211021
4	Quaternary	10312223322001
5	Quinary	131322210411
6	Senary	12025345441
8	Octal	466537201
10	Decimal	81444481
12	Duodecimal	23338281
16	Hexadecimal	4dabe81
20	Vigesimal	1590b41
36	Base36	1chmyp

Cryptographic Hash Functions

md5	6240aa98cd0c5c288ce0afa56dfb7d10
sha1	64a93e5ac31649ad9e5c0a674a40275dbc9a731c
sha256	eefb9dd39ff357724b6f515c1bd32c2f80bbe8f7a3d2fd1a1563a945915da999
sha512	b4c7992db4170578d919a36c1fe7020c35d98330c5cd5d92a2d3e4ae59ffd2ddaa8294239327a4e5de619936fb50dcc438420f44c8298bc2be66c5a3d8042d71
ripemd-160	d7ed21e5d8c59840327fdd0e60ee77e5866a328c

81444481 as geometric shapes

Circle

Radius = n

Diameter	162888962
Circumference	511730766.37007
Area	2.0838823339371E+16

Sphere

Radius = n

Volume	2.262942868701E+24
Surface area	8.3355293357485E+16
Circumference	511730766.37007

Square

Length = n

Perimeter	325777924
Area	6633203485359361
Diagonal	115179889.61064

Cube

Length = n

Surface area	39799220912156166
Volume	5.4023781523248E+23
Space diagonal	141065979.08808

Equilateral Triangle

Length = n

Perimeter	244333443
Area	2.8722613633963E+15
Altitude	70532989.544039

Triangular Pyramid

Length = n

Surface area	2.8722613633963E+15
Volume	6.3667637100716E+22
Height	38393296.536879