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

81444443 (number)

81444443 is an odd 8-digits composite number following 81444442 and preceding 81444444. In scientific notation, it is written as 8.1444443 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 80559360 positive integers (up to 81444443) that are relatively prime to 81444443.

Interesting facts

81444443 has 8 divisors, whose sum is 82334400
The reverse of 81444443 is 34444418
Previous prime number is 271

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	8.1444443 × 10^7
Engineering notation	8.1444443 × 10^6

Prime Factorization of 81444443

Prime Factorization 149 × 271 × 2017

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81444443	Product of the distinct prime numbers

The prime factorization of 81444443 is 149 × 271 × 2017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 79, 10, 331, 423, 3181, 6976, 55381, 67139, 507758, 293756, 9413624, 3168552, 82048840, 56498817, 87899780, 497596043, 7563587513, 2543317698

Basic calculations (n = 81444443)

Multiplication

n×y

n×2	162888886
n×3	244333329
n×4	325777772
n×5	407222215

Division

n÷y

n÷2	40722221.5
n÷3	27148147.666667
n÷3	20361110.75
n÷5	16288888.6

Exponentiation

n^y

n²	6633197295580249
n³	5.4023705904764E+23
n⁴	4.3999306362093E+31
n⁵	3.583498999047E+39

Nth Root

^y√n

²√n	9024.6575004263
³√n	433.46478332953
⁴√n	94.998197353562
⁵√n	38.209582424185

Divisors of 81444443

1, 149, 271, 2017, 40379, 300533, 546607, 81444443

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81444442	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81444443 can be divided by 8 positive divisors. The sum of these divisors (counting 81444443) is 1, the average is 0.125.

Base conversion 81444443

Base	System	Value
2	Binary	100110110101011111001011011
3	Ternary	12200020210202212
4	Quaternary	10312223321123
5	Quinary	131322210233
6	Senary	12025345335
8	Octal	466537133
10	Decimal	81444443
12	Duodecimal	2333824b
16	Hexadecimal	4dabe5b
20	Vigesimal	1590b23
36	Base36	1chmxn

Cryptographic Hash Functions

md5	b36867813f73106345ee0428c79d297d
sha1	c1db42b89dddbcec194d8e1d6ebc3e0f6707341a
sha256	fedcca066994c0b831f732cd585837d99b60b6e9633b856c1f08f7f4c2cda669
sha512	9a1ca7ef1888507f34a39fd0a2a1eac6b9659dcf379fc42e47d03ebdbb0c3a567e4904544f1d510b7fb374437a3565b595d0b0e2cbcff97f9114f9894e3555ae
ripemd-160	337b878e53eeef5427dc9924c50e06ce5a252cb9

81444443 as geometric shapes

Circle

Radius = n

Diameter	162888886
Circumference	511730527.60903
Area	2.0838803893607E+16

Sphere

Radius = n

Volume	2.2629397012014E+24
Surface area	8.3355215574426E+16
Circumference	511730527.60903

Square

Length = n

Perimeter	325777772
Area	6633197295580249
Diagonal	115179835.87052

Cube

Length = n

Surface area	39799183773481494
Volume	5.4023705904764E+23
Space diagonal	141065913.27015

Equilateral Triangle

Length = n

Perimeter	244333329
Area	2.8722586831434E+15
Altitude	70532956.635074

Triangular Pyramid

Length = n

Surface area	2.8722586831434E+15
Volume	6.3667547983477E+22
Height	38393278.623507