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

81649086 (number)

81649086 is an even 8-digits composite number following 81649085 and preceding 81649087. In scientific notation, it is written as 8.1649086 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 27216360 positive integers (up to 81649086) that are relatively prime to 81649086.

Interesting facts

81649086 has 8 divisors, whose sum is 163298184
The reverse of 81649086 is 68094618
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	8.1649086 × 10^7
Engineering notation	8.1649086 × 10^6

Prime Factorization of 81649086

Prime Factorization 2 × 3 × 13608181

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81649086	Product of the distinct prime numbers

The prime factorization of 81649086 is 2 × 3 × 13608181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 50, 8, 190, 106, 2671, 1853, 50168, 50457, 329298, 540005, 1669031, 2433467, 46552078, 59149246, 244431533, 310412268, 9148075862, 2816813094

Basic calculations (n = 81649086)

Multiplication

n×y

n×2	163298172
n×3	244947258
n×4	326596344
n×5	408245430

Division

n÷y

n÷2	40824543
n÷3	27216362
n÷3	20412271.5
n÷5	16329817.2

Exponentiation

n^y

n²	6666573244635396
n³	5.4431961217653E+23
n⁴	4.4443198826089E+31
n⁵	3.6287465630664E+39

Nth Root

^y√n

²√n	9035.9883798066
³√n	433.82753098106
⁴√n	95.057815984834
⁵√n	38.22876476779

Divisors of 81649086

1, 2, 3, 6, 13608181, 27216362, 40824543, 81649086

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	-81649085	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 81649086 can be divided by 8 positive divisors. The sum of these divisors (counting 81649086) is 1, the average is 0.125.

Base conversion 81649086

Base	System	Value
2	Binary	100110111011101110110111110
3	Ternary	12200122012111020
4	Quaternary	10313131312332
5	Quinary	131400232321
6	Senary	12034005010
8	Octal	467356676
10	Decimal	81649086
12	Duodecimal	23416766
16	Hexadecimal	4ddddbe
20	Vigesimal	15a62e6
36	Base36	1cm0u6

Cryptographic Hash Functions

md5	7fb6786b9226fed26aa93906ef0c73c7
sha1	5d0404d1918bd625b2525e1025b26701160467aa
sha256	a98d3d4f587db6845049f7551e268887706b116e226faf6997d7aa0d03f503c5
sha512	26090058aaac6f041748a0cd057a1e4ee6cb5493996209ec68d66ad0433e210db9b678f4df7816df31381907312461d6f36b17fb35baa2d8507e430e937d77d5
ripemd-160	305142ae776b95fd969658e1819f38ea6af841a2

81649086 as geometric shapes

Circle

Radius = n

Diameter	163298172
Circumference	513016337.49984
Area	2.0943657529965E+16

Sphere

Radius = n

Volume	2.2800406597582E+24
Surface area	8.3774630119859E+16
Circumference	513016337.49984

Square

Length = n

Perimeter	326596344
Area	6666573244635396
Diagonal	115469244.77657

Cube

Length = n

Surface area	39999439467812376
Volume	5.4431961217653E+23
Space diagonal	141420365.34356

Equilateral Triangle

Length = n

Perimeter	244947258
Area	2.886710893022E+15
Altitude	70710182.67178

Triangular Pyramid

Length = n

Surface area	2.886710893022E+15
Volume	6.414868148381E+22
Height	38489748.258856