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

81032009 (number)

81032009 is an odd 8-digits composite number following 81032008 and preceding 81032010. In scientific notation, it is written as 8.1032009 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 81007380 positive integers (up to 81032009) that are relatively prime to 81032009.

Interesting facts

81032009 has 4 divisors, whose sum is 81056640
The reverse of 81032009 is 90023018
Previous prime number is 3911

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	eighty-one million thirty-two thousand nine

Notation

Scientific notation	8.1032009 × 10^7
Engineering notation	8.1032009 × 10^6

Prime Factorization of 81032009

Prime Factorization 3911 × 20719

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81032009	Product of the distinct prime numbers

The prime factorization of 81032009 is 3911 × 20719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 77, 91, 230, 442, 9842, 5379, 7917, 4891, 761784, 663072, 8794840, 2318852, 70363644, 94769001, 930005729, 200006224, 3108120408, 332747987

Basic calculations (n = 81032009)

Multiplication

n×y

n×2	162064018
n×3	243096027
n×4	324128036
n×5	405160045

Division

n÷y

n÷2	40516004.5
n÷3	27010669.666667
n÷3	20258002.25
n÷5	16206401.8

Exponentiation

n^y

n²	6566186482576081
n³	5.3207128215178E+23
n⁴	4.3114804923965E+31
n⁵	3.493679260632E+39

Nth Root

^y√n

²√n	9001.7781021307
³√n	432.7318573722
⁴√n	94.877700763302
⁵√n	38.170805194186

Divisors of 81032009

1, 3911, 20719, 81032009

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	-81032008	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 81032009 can be divided by 4 positive divisors. The sum of these divisors (counting 81032009) is 1, the average is 0.25.

Base conversion 81032009

Base	System	Value
2	Binary	100110101000111001101001001
3	Ternary	12122110212000112
4	Quaternary	10311013031021
5	Quinary	131221011014
6	Senary	12012444105
8	Octal	465071511
10	Decimal	81032009
12	Duodecimal	23179635
16	Hexadecimal	4d47349
20	Vigesimal	1569009
36	Base36	1c8sp5

Cryptographic Hash Functions

md5	650ee10411b5fc055dffacba6280ced2
sha1	3cabf6770ab5b29d5d1e4acdb3a5f969e41b1085
sha256	8e6bb5f46957cd715195ab55de530f711e20667965c8448ce2022f5547cdf8a2
sha512	23e9e57cffed0148d06eff84050e5fe16d083838871dd9d73e6680fe61ae0134eb7bc1a55e050f9295bbf6bd37233974cd5f926f9a9bfe7f184c966d84719947
ripemd-160	6ca708c5cfca17bcd6f5a0fbd63b78aef9ffe298

81032009 as geometric shapes

Circle

Radius = n

Diameter	162064018
Circumference	509139128.36004
Area	2.0628283215762E+16

Sphere

Radius = n

Volume	2.2287349749255E+24
Surface area	8.2513132863046E+16
Circumference	509139128.36004

Square

Length = n

Perimeter	324128036
Area	6566186482576081
Diagonal	114596566.11414

Cube

Length = n

Surface area	39397118895456486
Volume	5.3207128215178E+23
Space diagonal	140351556.62738

Equilateral Triangle

Length = n

Perimeter	243096027
Area	2.8432421499484E+15
Altitude	70175778.313689

Triangular Pyramid

Length = n

Surface area	2.8432421499484E+15
Volume	6.2705201947358E+22
Height	38198855.37138