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

81043909 (number)

81043909 is an odd 8-digits prime number following 81043908 and preceding 81043910. In scientific notation, it is written as 8.1043909 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 81043908 positive integers (up to 81043909) that are relatively prime to 81043909.

Interesting facts

81043909 has 2 divisors, whose sum is 81043910
The reverse of 81043909 is 90934018
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	8.1043909 × 10^7
Engineering notation	8.1043909 × 10^6

Prime Factorization of 81043909

Prime Factorization 81043909

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81043909	Product of the distinct prime numbers

The prime factorization of 81043909 is 81043909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 8, 20, 27, 116, 490, 4183, 3937, 13101, 12640, 940015, 248707, 6480280, 8039633, 65929650, 70850615, 474399369, 300740196, 5860034195, 3408628335

Basic calculations (n = 81043909)

Multiplication

n×y

n×2	162087818
n×3	243131727
n×4	324175636
n×5	405219545

Division

n÷y

n÷2	40521954.5
n÷3	27014636.333333
n÷3	20260977.25
n÷5	16208781.8

Exponentiation

n^y

n²	6568115186000281
n³	5.3230572943572E+23
n⁴	4.3140137096568E+31
n⁵	3.4962453451017E+39

Nth Root

^y√n

²√n	9002.4390583886
³√n	432.75303935987
⁴√n	94.881183900648
⁵√n	38.17192624723

Divisors of 81043909

1, 81043909

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81043910	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40521955	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9002.4391139291	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999975322	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81043909 can be divided by 2 positive divisors. The sum of these divisors (counting 81043909) is 81043910, the average is 40521955.

Base conversion 81043909

Base	System	Value
2	Binary	100110101001010000111000101
3	Ternary	12122111110100021
4	Quaternary	10311022013011
5	Quinary	131221401114
6	Senary	12013015141
8	Octal	465120705
10	Decimal	81043909
12	Duodecimal	231844b1
16	Hexadecimal	4d4a1c5
20	Vigesimal	156a9f9
36	Base36	1c91vp

Cryptographic Hash Functions

md5	d04c7fb092f128dfd74692ed47f382f8
sha1	42a60e5e023a32599b244342e57066487ec6eb47
sha256	3237ea932335cefba0f114cee6bbf1beaa7d3b2d1649166597425efa17c1f86a
sha512	63e6637ab8b02787e139ef1d9f3a69481213c18fd9feb18452614561c68d3d312204cb1d8ecfd583d68b380d9cc90ecaba04c5f1e9e715439d0eb649e9d44f77
ripemd-160	3b68c2c4215c7859b8852905a2387cdf9aa7a80a

81043909 as geometric shapes

Circle

Radius = n

Diameter	162087818
Circumference	509213898.2652
Area	2.063434241627E+16

Sphere

Radius = n

Volume	2.229717025412E+24
Surface area	8.253736966508E+16
Circumference	509213898.2652

Square

Length = n

Perimeter	324175636
Area	6568115186000281
Diagonal	114613395.25553

Cube

Length = n

Surface area	39408691116001686
Volume	5.3230572943572E+23
Space diagonal	140372168.03199

Equilateral Triangle

Length = n

Perimeter	243131727
Area	2.8440773030293E+15
Altitude	70186084.015994

Triangular Pyramid

Length = n

Surface area	2.8440773030293E+15
Volume	6.2732831824742E+22
Height	38204465.085177