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

81042009 (number)

81042009 is an odd 8-digits composite number following 81042008 and preceding 81042010. In scientific notation, it is written as 8.1042009 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 50849856 positive integers (up to 81042009) that are relatively prime to 81042009.

Interesting facts

81042009 has 8 divisors, whose sum is 114412320
The reverse of 81042009 is 90024018
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	eighty-one million forty-two thousand nine

Notation

Scientific notation	8.1042009 × 10^7
Engineering notation	8.1042009 × 10^6

Prime Factorization of 81042009

Prime Factorization 3 × 17 × 1589059

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81042009	Product of the distinct prime numbers

The prime factorization of 81042009 is 3 × 17 × 1589059. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 27, 18, 371, 25, 4928, 5676, 73775, 97941, 812007, 484602, 1373375, 2327196, 84609537, 24123700, 282840097, 620106126, 1997966255, 8544923281

Basic calculations (n = 81042009)

Multiplication

n×y

n×2	162084018
n×3	243126027
n×4	324168036
n×5	405210045

Division

n÷y

n÷2	40521004.5
n÷3	27014003
n÷3	20260502.25
n÷5	16208401.8

Exponentiation

n^y

n²	6567807222756081
n³	5.3226829205686E+23
n⁴	4.3136091715287E+31
n⁵	3.4958355330151E+39

Nth Root

^y√n

²√n	9002.333530813
³√n	432.74965750094
⁴√n	94.880627795209
⁵√n	38.171747264402

Divisors of 81042009

1, 3, 17, 51, 1589059, 4767177, 27014003, 81042009

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	-81042008	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 81042009 can be divided by 8 positive divisors. The sum of these divisors (counting 81042009) is 1, the average is 0.125.

Base conversion 81042009

Base	System	Value
2	Binary	100110101001001101001011001
3	Ternary	12122111100201220
4	Quaternary	10311021221121
5	Quinary	131221321014
6	Senary	12013002253
8	Octal	465115131
10	Decimal	81042009
12	Duodecimal	23183389
16	Hexadecimal	4d49a59
20	Vigesimal	156a509
36	Base36	1c90ex

Cryptographic Hash Functions

md5	879f4e51171584f274ddf7090d2a89f5
sha1	f76d43e12fd0d71be0e590af3a0a5c126977e6d1
sha256	297b7eab11469b683b7e3b00ea845286ab6d347dca612151b5636add44ab4b2b
sha512	1d416e69220f23fcdafdb0dd1de123d1b79f1ccbcd0f95ae59cb081b6dac3fd50794dd2a9b5f7fabe6f0294555ee250499af00b13fb1a17e163a29f63244736a
ripemd-160	7c52d60d2fab82ae6d584cf9d82b01573cb28267

81042009 as geometric shapes

Circle

Radius = n

Diameter	162084018
Circumference	509201960.21312
Area	2.0633374921204E+16

Sphere

Radius = n

Volume	2.2295602080862E+24
Surface area	8.2533499684818E+16
Circumference	509201960.21312

Square

Length = n

Perimeter	324168036
Area	6567807222756081
Diagonal	114610708.24976

Cube

Length = n

Surface area	39406843336536486
Volume	5.3226829205686E+23
Space diagonal	140368877.13545

Equilateral Triangle

Length = n

Perimeter	243126027
Area	2.8439439510328E+15
Altitude	70184438.567727

Triangular Pyramid

Length = n

Surface area	2.8439439510328E+15
Volume	6.2728419787332E+22
Height	38203569.416587