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

81402023 (number)

81402023 is an odd 8-digits composite number following 81402022 and preceding 81402024. In scientific notation, it is written as 8.1402023 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 77117688 positive integers (up to 81402023) that are relatively prime to 81402023.

Interesting facts

81402023 has 4 divisors, whose sum is 85686360
The reverse of 81402023 is 32020418
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	eighty-one million four hundred two thousand twenty-three

Notation

Scientific notation	8.1402023 × 10^7
Engineering notation	8.1402023 × 10^6

Prime Factorization of 81402023

Prime Factorization 19 × 4284317

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81402023	Product of the distinct prime numbers

The prime factorization of 81402023 is 19 × 4284317. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 89, 5, 927, 495, 7254, 4457, 6200, 49261, 179483, 797850, 9366008, 8738096, 87089152, 75236960, 792520026, 635073389, 9946795222, 3171198254

Basic calculations (n = 81402023)

Multiplication

n×y

n×2	162804046
n×3	244206069
n×4	325608092
n×5	407010115

Division

n÷y

n÷2	40701011.5
n÷3	27134007.666667
n÷3	20350505.75
n÷5	16280404.6

Exponentiation

n^y

n²	6626289348492529
n³	5.3939335795064E+23
n⁴	4.3907710529946E+31
n⁵	3.574176462436E+39

Nth Root

^y√n

²√n	9022.3069666244
³√n	433.38951414922
⁴√n	94.985825082611
⁵√n	38.205601334211

Divisors of 81402023

1, 19, 4284317, 81402023

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	-81402022	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 81402023 can be divided by 4 positive divisors. The sum of these divisors (counting 81402023) is 1, the average is 0.25.

Base conversion 81402023

Base	System	Value
2	Binary	100110110100001100010100111
3	Ternary	12200011122120202
4	Quaternary	10312201202213
5	Quinary	131314331043
6	Senary	12024421115
8	Octal	466414247
10	Decimal	81402023
12	Duodecimal	2331779b
16	Hexadecimal	4da18a7
20	Vigesimal	158f513
36	Base36	1cgq7b

Cryptographic Hash Functions

md5	84992c5408a5f5a3238859037414b5d3
sha1	50ab884b434d9adea9d6c4d445f55b32b2a95225
sha256	a58ef9c214baa63279b55f5fdd2c2f4efd5e27aa082d32509e753c2d1d594f79
sha512	b0fb3c762bb652738c22556a2f02755eab4a195669634a0098b78211e49807a876ef42d11a2f553d2133660881009f30974f4b88a574e4a3814d6f871af42e6b
ripemd-160	229634d7d38fe58ea0c16ea60382c50d5e6233fa

81402023 as geometric shapes

Circle

Radius = n

Diameter	162804046
Circumference	511463994.88829
Area	2.0817101937784E+16

Sphere

Radius = n

Volume	2.2594056143105E+24
Surface area	8.3268407751138E+16
Circumference	511463994.88829

Square

Length = n

Perimeter	325608092
Area	6626289348492529
Diagonal	115119844.93121

Cube

Length = n

Surface area	39757736090955174
Volume	5.3939335795064E+23
Space diagonal	140992439.67489

Equilateral Triangle

Length = n

Perimeter	244206069
Area	2.8692674543104E+15
Altitude	70496219.837445

Triangular Pyramid

Length = n

Surface area	2.8692674543104E+15
Volume	6.3568116855647E+22
Height	38373281.643736