81509968, eighty-one million five hundred nine thousand nine hundred sixty-eight: 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

81509968 has 40 divisors, whose sum is 171317160
The reverse of 81509968 is 86990518
Previous prime number is 41

Basic properties

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

Name

Name	eighty-one million five hundred nine thousand nine hundred sixty-eight

Notation

Scientific notation	8.1509968 × 10^7
Engineering notation	8.1509968 × 10^6

Prime Factorization of 81509968

Prime Factorization 2 × 2 × 2 × 2 × 17 × 41 × 7309

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	7	Total number of prime factors
rad	Radical	10188746	Product of the distinct prime numbers

The prime factorization of 81509968 is 2 × 2 × 2 × 2 × 17 × 41 × 7309. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 1, 67, 11, 205, 43, 111, 3807, 28099, 65650, 345512, 81977, 3462783, 8976349, 92270277, 77153393, 703993368, 801503637, 4471796552, 1578285637

Basic calculations (n = 81509968)

Multiplication

n×y

n×2	163019936
n×3	244529904
n×4	326039872
n×5	407549840

Division

n÷y

n÷2	40754984
n÷3	27169989.333333
n÷3	20377492
n÷5	16301993.6

Exponentiation

n^y

n²	6643874883361024
n³	5.4154202913876E+23
n⁴	4.4141073465755E+31
n⁵	3.5979374856794E+39

Nth Root

^y√n

²√n	9028.2871022138
³√n	433.58099820053
⁴√n	95.017298962946
⁵√n	38.215728644758

Divisors of 81509968

1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1394, 2788, 5576, 7309, 11152, 14618, 29236, 58472, 116944, 124253, 248506, 299669, 497012, 599338, 994024, 1198676, 1988048, 2397352, 4794704, 5094373, 10188746, 20377492, 40754984, 81509968

40 divisors

τ	Total Divisors	40	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81509967	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.025	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	40	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81509968 can be divided by 40 positive divisors. The sum of these divisors (counting 81509968) is 1, the average is 0.025.

Base conversion 81509968

Base	System	Value
2	Binary	100110110111011111001010000
3	Ternary	12200101010122201
4	Quaternary	10312323321100
5	Quinary	131331304333
6	Senary	12031012544
8	Octal	466737120
10	Decimal	81509968
12	Duodecimal	2336a154
16	Hexadecimal	4dbbe50
20	Vigesimal	1598ei8
36	Base36	1cj1hs

Cryptographic Hash Functions

md5	516878dc9cafbac226b99ff7f0e552a1
sha1	1342972f0bda155dced249d38a23b122da459590
sha256	3f7c356c8d56f2d5e201256c5764da015388124125e64407c5c6851e45b35cde
sha512	ea3b2c875b562036878338c00a05cec9c9d86d7c9f674bc36a90ea9327c8dd9d95750efc31c60be4fa50adecba1c467e01ae4cb5e2eb8d756e6025d522b309e0
ripemd-160	c8e9b1ff8fc7b755ef753d0f5c6d8b21d7634fdb

81509968 as geometric shapes

Circle

Radius = n

Diameter	163019936
Circumference	512142233.32628
Area	2.0872348524937E+16

Sphere

Radius = n

Volume	2.2684059471366E+24
Surface area	8.3489394099747E+16
Circumference	512142233.32628

Square

Length = n

Perimeter	326039872
Area	6643874883361024
Diagonal	115272502.2142

Cube

Length = n

Surface area	39863249300166144
Volume	5.4154202913876E+23
Space diagonal	141179405.89931

Equilateral Triangle

Length = n

Perimeter	244529904
Area	2.876882214278E+15
Altitude	70589702.949657

Triangular Pyramid

Length = n

Surface area	2.876882214278E+15
Volume	6.382134018359E+22
Height	38424167.404732