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

81382009 (number)

81382009 is an odd 8-digits composite number following 81382008 and preceding 81382010. In scientific notation, it is written as 8.1382009 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 76594816 positive integers (up to 81382009) that are relatively prime to 81382009.

Interesting facts

81382009 has 4 divisors, whose sum is 86169204
The reverse of 81382009 is 90028318
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million three hundred eighty-two thousand nine

Notation

Scientific notation	8.1382009 × 10^7
Engineering notation	8.1382009 × 10^6

Prime Factorization of 81382009

Prime Factorization 17 × 4787177

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81382009	Product of the distinct prime numbers

The prime factorization of 81382009 is 17 × 4787177. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 3, 34, 56, 758, 38, 8023, 2074, 52464, 23583, 369150, 75333, 4611157, 9868975, 37636015, 92086320, 846415589, 70751049, 890970739, 9698935209

Basic calculations (n = 81382009)

Multiplication

n×y

n×2	162764018
n×3	244146027
n×4	325528036
n×5	406910045

Division

n÷y

n÷2	40691004.5
n÷3	27127336.333333
n÷3	20345502.25
n÷5	16276401.8

Exponentiation

n^y

n²	6623031388876081
n³	5.389956000968E+23
n⁴	4.3864544778038E+31
n⁵	3.5697847779072E+39

Nth Root

^y√n

²√n	9021.1977586128
³√n	433.35399263766
⁴√n	94.979986095034
⁵√n	38.203722456786

Divisors of 81382009

1, 17, 4787177, 81382009

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	-81382008	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 81382009 can be divided by 4 positive divisors. The sum of these divisors (counting 81382009) is 1, the average is 0.25.

Base conversion 81382009

Base	System	Value
2	Binary	100110110011100101001111001
3	Ternary	12200010122010111
4	Quaternary	10312130221321
5	Quinary	131313211014
6	Senary	12024144321
8	Octal	466345171
10	Decimal	81382009
12	Duodecimal	233080a1
16	Hexadecimal	4d9ca79
20	Vigesimal	158cf09
36	Base36	1cgard

Cryptographic Hash Functions

md5	504f731f3153d3ac02fa391e1ea6963e
sha1	ac8eabe02dc50c40040957f42ca6d9c24b9e5c0f
sha256	5dc4d512793a441702ef84133d9f71f1efd2a848652d796f9f4fc5a2d0996bed
sha512	f89fc0c839a0afbfc77f1de93289320c13f652fe442eca3b42b3b42db7c28b40a55bfa4760a87d315acc003309d270fb797b13ca0b6248325571395adfc70c72
ripemd-160	4c29ba0f19f10fb5ac2626290ba2a1d4d5d63291

81382009 as geometric shapes

Circle

Radius = n

Diameter	162764018
Circumference	511338243.21756
Area	2.0806866755788E+16

Sphere

Radius = n

Volume	2.2577394901084E+24
Surface area	8.3227467023151E+16
Circumference	511338243.21756

Square

Length = n

Perimeter	325528036
Area	6623031388876081
Diagonal	115091540.86097

Cube

Length = n

Surface area	39738188333256486
Volume	5.389956000968E+23
Space diagonal	140957774.41003

Equilateral Triangle

Length = n

Perimeter	244146027
Area	2.8678567164142E+15
Altitude	70478887.205014

Triangular Pyramid

Length = n

Surface area	2.8678567164142E+15
Volume	6.3521240643026E+22
Height	38363846.953656