81489440, eighty-one million four hundred eighty-nine thousand four 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

81489440 has 48 divisors, whose sum is 193415040
The reverse of 81489440 is 04498418
Previous prime number is 239

Basic properties

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

Name

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

Notation

Scientific notation	8.1489440 × 10^7
Engineering notation	8.1489440 × 10^6

Prime Factorization of 81489440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 239 × 2131

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	8	Total number of prime factors
rad	Radical	5093090	Product of the distinct prime numbers

The prime factorization of 81489440 is 2 × 2 × 2 × 2 × 2 × 5 × 239 × 2131. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 8, 63, 59, 59, 23, 3963, 3197, 9514, 30869, 286495, 140858, 3311513, 1384437, 41563152, 12775196, 36647745, 339307789, 6760136880, 4031408745

Basic calculations (n = 81489440)

Multiplication

n×y

n×2	162978880
n×3	244468320
n×4	325957760
n×5	407447200

Division

n÷y

n÷2	40744720
n÷3	27163146.666667
n÷3	20372360
n÷5	16297888

Exponentiation

n^y

n²	6640528831513600
n³	5.411329757839E+23
n⁴	4.4096623162163E+31
n⁵	3.5934091273757E+39

Nth Root

^y√n

²√n	9027.1501593803
³√n	433.5445965258
⁴√n	95.011315954366
⁵√n	38.213803551331

Divisors of 81489440

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2131, 2390, 3824, 4262, 4780, 7648, 8524, 9560, 10655, 17048, 19120, 21310, 34096, 38240, 42620, 68192, 85240, 170480, 340960, 509309, 1018618, 2037236, 2546545, 4074472, 5093090, 8148944, 10186180, 16297888, 20372360, 40744720, 81489440

48 divisors

τ	Total Divisors	48	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81489439	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.020833333333333	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	48	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489440 can be divided by 48 positive divisors. The sum of these divisors (counting 81489440) is 1, the average is 0.020833333333333.

Base conversion 81489440

Base	System	Value
2	Binary	100110110110110111000100000
3	Ternary	12200100002111102
4	Quaternary	10312312320200
5	Quinary	131330130230
6	Senary	12030333532
8	Octal	466667040
10	Decimal	81489440
12	Duodecimal	2335a2a8
16	Hexadecimal	4db6e20
20	Vigesimal	15963c0
36	Base36	1cilnk

Cryptographic Hash Functions

md5	7a0995a8fa32b2ff9a6e18883bd717b0
sha1	bc87c73d46ef061a9148bf3d53e7cc49f40972b1
sha256	3184594130b29b950182cf45b588357c5f3e2d30be1709ab41365f6af47e76a8
sha512	b52307d9d046b5b29ad7370055d924a2e467a156747ebfa2d77ca6f5f66fc5d12b36376a4eaa9c837183e4d31dc65b37ecd70ce3ea928bcc590904b826cc7ac4
ripemd-160	972c135531aadea0b5418e3cc400e4534f2ca3a0

81489440 as geometric shapes

Circle

Radius = n

Diameter	162978880
Circumference	512013252.09829
Area	2.0861836593034E+16

Sphere

Radius = n

Volume	2.2666925084505E+24
Surface area	8.3447346372137E+16
Circumference	512013252.09829

Square

Length = n

Perimeter	325957760
Area	6640528831513600
Diagonal	115243471.23819

Cube

Length = n

Surface area	39843172989081600
Volume	5.411329757839E+23
Space diagonal	141143850.36034

Equilateral Triangle

Length = n

Perimeter	244468320
Area	2.8754333313269E+15
Altitude	70571925.180168

Triangular Pyramid

Length = n

Surface area	2.8754333313269E+15
Volume	6.3773132783408E+22
Height	38414490.41273