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

81609086 (number)

81609086 is an even 8-digits composite number following 81609085 and preceding 81609087. In scientific notation, it is written as 8.1609086 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 37199136 positive integers (up to 81609086) that are relatively prime to 81609086.

Interesting facts

81609086 has 24 divisors, whose sum is 134197560
The reverse of 81609086 is 68090618
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million six hundred nine thousand eighty-six

Notation

Scientific notation	8.1609086 × 10^7
Engineering notation	8.1609086 × 10^6

Prime Factorization of 81609086

Prime Factorization 2 × 13 × 83 × 13 × 2909

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	6277622	Product of the distinct prime numbers

The prime factorization of 81609086 is 2 × 13 × 83 × 13 × 2909. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 53, 20, 996, 256, 4547, 9900, 42186, 65958, 367613, 485146, 524473, 804504, 27743781, 24949626, 157585127, 124087121, 9965506422, 6684549844

Basic calculations (n = 81609086)

Multiplication

n×y

n×2	163218172
n×3	244827258
n×4	326436344
n×5	408045430

Division

n÷y

n÷2	40804543
n÷3	27203028.666667
n÷3	20402271.5
n÷5	16321817.2

Exponentiation

n^y

n²	6660042917755396
n³	5.4352001523879E+23
n⁴	4.4356171666344E+31
n⁵	3.6198666281494E+39

Nth Root

^y√n

²√n	9033.7747370631
³√n	433.75667517348
⁴√n	95.046171606557
⁵√n	38.22501836864

Divisors of 81609086

1, 2, 13, 26, 83, 166, 169, 338, 1079, 2158, 2909, 5818, 14027, 28054, 37817, 75634, 241447, 482894, 491621, 983242, 3138811, 6277622, 40804543, 81609086

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81609085	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81609086 can be divided by 24 positive divisors. The sum of these divisors (counting 81609086) is 1, the average is 0.041666666666667.

Base conversion 81609086

Base	System	Value
2	Binary	100110111010100000101111110
3	Ternary	12200120011121202
4	Quaternary	10313110011332
5	Quinary	131342442321
6	Senary	12033055502
8	Octal	467240576
10	Decimal	81609086
12	Duodecimal	233b7592
16	Hexadecimal	4dd417e
20	Vigesimal	15a12e6
36	Base36	1cl5z2

Cryptographic Hash Functions

md5	8d02fe287f7ee4251c46cee7c9a814c0
sha1	fb7da67c70fd7d193ea3fc902019d38fe183356f
sha256	a20c6aa18dad3a1e5c99a67bc9a661b0f442c1173cc2e227db8fa83e18f74ca4
sha512	9d319885a235a8993ee4c2d6099285b04d5580096e60004f01ff5f382fb68645c7d2dbe3b8cfbb34f3e8e0d827720ece9dd11af9c7a3fb3d8ca0157ba882b380
ripemd-160	1748525b4582b87d189f1f2c7eb4617a7c36e5d6

81609086 as geometric shapes

Circle

Radius = n

Diameter	163218172
Circumference	512765010.08756
Area	2.0923141903013E+16

Sphere

Radius = n

Volume	2.2766913159376E+24
Surface area	8.3692567612052E+16
Circumference	512765010.08756

Square

Length = n

Perimeter	326436344
Area	6660042917755396
Diagonal	115412676.23407

Cube

Length = n

Surface area	39960257506532376
Volume	5.4352001523879E+23
Space diagonal	141351083.31126

Equilateral Triangle

Length = n

Perimeter	244827258
Area	2.8838831785354E+15
Altitude	70675541.655629

Triangular Pyramid

Length = n

Surface area	2.8838831785354E+15
Volume	6.4054448080994E+22
Height	38470892.078024