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

81442371 (number)

81442371 is an odd 8-digits composite number following 81442370 and preceding 81442372. In scientific notation, it is written as 8.1442371 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 54269280 positive integers (up to 81442371) that are relatively prime to 81442371.

Interesting facts

81442371 has 8 divisors, whose sum is 108641104
The reverse of 81442371 is 17324418
Previous prime number is 2677

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	8.1442371 × 10^7
Engineering notation	8.1442371 × 10^6

Prime Factorization of 81442371

Prime Factorization 3 × 2677 × 10141

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81442371	Product of the distinct prime numbers

The prime factorization of 81442371 is 3 × 2677 × 10141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 74, 67, 947, 274, 1797, 6912, 43265, 61807, 763627, 510235, 7126629, 5475895, 26761684, 89545873, 377833757, 57405257, 672260077, 6179189884

Basic calculations (n = 81442371)

Multiplication

n×y

n×2	162884742
n×3	244327113
n×4	325769484
n×5	407211855

Division

n÷y

n÷2	40721185.5
n÷3	27147457
n÷3	20360592.75
n÷5	16288474.2

Exponentiation

n^y

n²	6632859794101641
n³	5.4019582814221E+23
n⁴	4.399482904821E+31
n⁵	3.5830431894259E+39

Nth Root

^y√n

²√n	9024.5427030958
³√n	433.46110742232
⁴√n	94.997593143699
⁵√n	38.209388006843

Divisors of 81442371

1, 3, 2677, 8031, 10141, 30423, 27147457, 81442371

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	-81442370	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 81442371 can be divided by 8 positive divisors. The sum of these divisors (counting 81442371) is 1, the average is 0.125.

Base conversion 81442371

Base	System	Value
2	Binary	100110110101011011001000011
3	Ternary	12200020200221010
4	Quaternary	10312223121003
5	Quinary	131322123441
6	Senary	12025332003
8	Octal	466533103
10	Decimal	81442371
12	Duodecimal	23337003
16	Hexadecimal	4dab643
20	Vigesimal	15905ib
36	Base36	1chlc3

Cryptographic Hash Functions

md5	287d5e5b828015c447028ba459ebe016
sha1	19437ec2d87588c687cffbd75fb49cf6a5d709f4
sha256	185c8aa4572f0be057a3608db4ffe56526b0fb58b08bff00709a632da13edd4c
sha512	2f8c79ce16abe2725ca2b997304a8fca4f5d733031b0311a95fbc6f118c7ad2a2348875aa04179b8e4c117760edeede5f507b84f3c59dba7faed57b2625d1fa0
ripemd-160	d737d8b9dca719a1cb229ca685c88a04001a3027

81442371 as geometric shapes

Circle

Radius = n

Diameter	162884742
Circumference	511717508.84907
Area	2.0837743601441E+16

Sphere

Radius = n

Volume	2.2627669935886E+24
Surface area	8.3350974405763E+16
Circumference	511717508.84907

Square

Length = n

Perimeter	325769484
Area	6632859794101641
Diagonal	115176905.62002

Cube

Length = n

Surface area	39797158764609846
Volume	5.4019582814221E+23
Space diagonal	141062324.46087

Equilateral Triangle

Length = n

Perimeter	244327113
Area	2.8721125407162E+15
Altitude	70531162.230437

Triangular Pyramid

Length = n

Surface area	2.8721125407162E+15
Volume	6.3662688874673E+22
Height	38392301.87334