81489240, eighty-one million four hundred eighty-nine thousand two hundred forty: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

81489240 has 96 divisors, whose sum is 246692160
The reverse of 81489240 is 04298418
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	eighty-one million four hundred eighty-nine thousand two hundred forty

Notation

Scientific notation	8.1489240 × 10^7
Engineering notation	8.1489240 × 10^6

Prime Factorization of 81489240

Prime Factorization 2 × 2 × 2 × 15 × 3 × 21 × 3 × 3593

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	8	Total number of prime factors
rad	Radical	6790770	Product of the distinct prime numbers

The prime factorization of 81489240 is 2 × 2 × 2 × 15 × 3 × 21 × 3 × 3593. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 9, 53, 77, 8, 273, 4224, 9494, 11463, 79663, 338038, 890537, 3290801, 1336054, 84531150, 60041360, 594915247, 822401948, 7263884330, 5067827300

Basic calculations (n = 81489240)

Multiplication

n×y

n×2	162978480
n×3	244467720
n×4	325956960
n×5	407446200

Division

n÷y

n÷2	40744620
n÷3	27163080
n÷3	20372310
n÷5	16297848

Exponentiation

n^y

n²	6640496235777600
n³	5.4112899147638E+23
n⁴	4.4096190257376E+31
n⁵	3.593365030969E+39

Nth Root

^y√n

²√n	9027.1390816803
³√n	433.54424184185
⁴√n	95.011257657608
⁵√n	38.213784793641

Divisors of 81489240

1, 2, 3, 4, 6, 8, 9, 12, 15, 18, 21, 24, 30, 36, 42, 45, 60, 63, 72, 84, 90, 120, 126, 135, 168, 180, 189, 252, 270, 315, 360, 378, 504, 540, 630, 756, 945, 1080, 1260, 1512, 1890, 2520, 2835, 3593, 3780, 5670, 7186, 7560, 10779, 11340, 14372, 21558, 22680, 28744, 32337, 43116, 53895, 64674, 75453, 86232, 107790, 129348, 150906, 161685, 215580, 226359, 258696, 301812, 323370, 431160, 452718, 485055, 603624, 646740, 679077, 905436, 970110, 1131795, 1293480, 1358154, 1810872, 1940220, 2263590, 2716308, 3395385, 3880440, 4527180, 5432616, 6790770, 9054360, 10186155, 13581540, 20372310, 27163080, 40744620, 81489240

96 divisors

τ	Total Divisors	96	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81489239	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.010416666666667	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	96	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489240 can be divided by 96 positive divisors. The sum of these divisors (counting 81489240) is 1, the average is 0.010416666666667.

Base conversion 81489240

Base	System	Value
2	Binary	100110110110110110101011000
3	Ternary	12200100002020000
4	Quaternary	10312312311120
5	Quinary	131330123430
6	Senary	12030333000
8	Octal	466666530
10	Decimal	81489240
12	Duodecimal	2335a160
16	Hexadecimal	4db6d58
20	Vigesimal	1596320
36	Base36	1cili0

Cryptographic Hash Functions

md5	e48d653fea44b8da4aa7ab819ccf981f
sha1	56feeecf37ab1150208ec905020cf5583035dbd2
sha256	8e70471003d61d03c0750c36996e3bb9f1d256a248e854788c9f01284f416df3
sha512	9aa539814b1a2951b6908acb53303e131c6e0962b1c85acc83ba69a3cb9a068b10edaf72ea561a361f7c0de7c9d55154d605fbb1f78d99ec1fa3dd1ad0558b39
ripemd-160	c136895a83e875e6e5e0232698328249188211c3

81489240 as geometric shapes

Circle

Radius = n

Diameter	162978480
Circumference	512011995.46123
Area	2.086173419051E+16

Sphere

Radius = n

Volume	2.2666758190222E+24
Surface area	8.3446936762038E+16
Circumference	512011995.46123

Square

Length = n

Perimeter	325956960
Area	6640496235777600
Diagonal	115243188.39548

Cube

Length = n

Surface area	39842977414665600
Volume	5.4112899147638E+23
Space diagonal	141143503.95017

Equilateral Triangle

Length = n

Perimeter	244467720
Area	2.8754192169592E+15
Altitude	70571751.975087

Triangular Pyramid

Length = n

Surface area	2.8754192169592E+15
Volume	6.3772663228264E+22
Height	38414396.131825