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

81489466 (number)

81489466 is an even 8-digits composite number following 81489465 and preceding 81489467. In scientific notation, it is written as 8.1489466 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 37013760 positive integers (up to 81489466) that are relatively prime to 81489466.

Interesting facts

81489466 has 16 divisors, whose sum is 123409440
The reverse of 81489466 is 66498418
Previous prime number is 211

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	8.1489466 × 10^7
Engineering notation	8.1489466 × 10^6

Prime Factorization of 81489466

Prime Factorization 2 × 629 × 211 × 307

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81489466	Product of the distinct prime numbers

The prime factorization of 81489466 is 2 × 629 × 211 × 307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 1, 83, 128, 980, 1133, 1503, 65184, 31221, 192387, 367815, 7253145, 3413040, 21922437, 66950031, 603696336, 47254933, 2598259801, 8307532674

Basic calculations (n = 81489466)

Multiplication

n×y

n×2	162978932
n×3	244468398
n×4	325957864
n×5	407447330

Division

n÷y

n÷2	40744733
n÷3	27163155.333333
n÷3	20372366.5
n÷5	16297893.2

Exponentiation

n^y

n²	6640533068965156
n³	5.4113349374531E+23
n⁴	4.409667944002E+31
n⁵	3.5934148599404E+39

Nth Root

^y√n

²√n	9027.1515994803
³√n	433.54464263467
⁴√n	95.011323532936
⁵√n	38.213805989828

Divisors of 81489466

1, 2, 211, 307, 422, 614, 629, 1258, 64777, 129554, 132719, 193103, 265438, 386206, 40744733, 81489466

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81489465	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489466 can be divided by 16 positive divisors. The sum of these divisors (counting 81489466) is 1, the average is 0.0625.

Base conversion 81489466

Base	System	Value
2	Binary	100110110110110111000111010
3	Ternary	12200100002112101
4	Quaternary	10312312320322
5	Quinary	131330130331
6	Senary	12030334014
8	Octal	466667072
10	Decimal	81489466
12	Duodecimal	2335a30a
16	Hexadecimal	4db6e3a
20	Vigesimal	15963d6
36	Base36	1ciloa

Cryptographic Hash Functions

md5	b7cecb716c28e9a3748a7e6fc1391fd6
sha1	f8ad216cb71511eff1f9aee3f6694ec6949842cb
sha256	a4ae84e1916477b19d5bb843afee0c50b32d7f79945e3d3418a78584e8056fde
sha512	1730f73552751a1d8ed68471268d3620980193844f2db6f887e0b1cb8f4fd7dbbbccbaca4a9b9cec8a67400be5990bdf631628788c5efba397004f0d101fa1be
ripemd-160	fb350b8017c8d86959e03caa82470864ff8fc53a

81489466 as geometric shapes

Circle

Radius = n

Diameter	162978932
Circumference	512013415.46111
Area	2.0861849905381E+16

Sphere

Radius = n

Volume	2.2666946780822E+24
Surface area	8.3447399621524E+16
Circumference	512013415.46111

Square

Length = n

Perimeter	325957864
Area	6640533068965156
Diagonal	115243508.00774

Cube

Length = n

Surface area	39843198413790936
Volume	5.4113349374531E+23
Space diagonal	141143895.39366

Equilateral Triangle

Length = n

Perimeter	244468398
Area	2.8754351661972E+15
Altitude	70571947.696828

Triangular Pyramid

Length = n

Surface area	2.8754351661972E+15
Volume	6.3773193825746E+22
Height	38414502.669247