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

81109984 (number)

81109984 is an even 8-digits composite number following 81109983 and preceding 81109985. In scientific notation, it is written as 8.1109984 × 10^7. The sum of its digits is 40. It has a total of 7 prime factors and 24 positive divisors. There are 39156096 positive integers (up to 81109984) that are relatively prime to 81109984.

Interesting facts

81109984 has 24 divisors, whose sum is 165193560
The reverse of 81109984 is 48990118
Previous prime number is 29

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	8.1109984 × 10^7
Engineering notation	8.1109984 × 10^6

Prime Factorization of 81109984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 29 × 87403

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	7	Total number of prime factors
rad	Radical	5069374	Product of the distinct prime numbers

The prime factorization of 81109984 is 2 × 2 × 2 × 2 × 2 × 29 × 87403. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 9, 83, 28, 667, 890, 6014, 211, 13901, 95534, 14608, 815270, 2922016, 1220434, 1094564, 91347091, 862375609, 190443117, 1795015276, 7138584542

Basic calculations (n = 81109984)

Multiplication

n×y

n×2	162219968
n×3	243329952
n×4	324439936
n×5	405549920

Division

n÷y

n÷2	40554992
n÷3	27036661.333333
n÷3	20277496
n÷5	16221996.8

Exponentiation

n^y

n²	6578829504480256
n³	5.3360875584712E+23
n⁴	4.328099764902E+31
n⁵	3.510521026816E+39

Nth Root

^y√n

²√n	9006.1081494728
³√n	432.87061508731
⁴√n	94.900517119101
⁵√n	38.178148523322

Divisors of 81109984

1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 87403, 174806, 349612, 699224, 1398448, 2534687, 2796896, 5069374, 10138748, 20277496, 40554992, 81109984

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81109983	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81109984 can be divided by 24 positive divisors. The sum of these divisors (counting 81109984) is 1, the average is 0.041666666666667.

Base conversion 81109984

Base	System	Value
2	Binary	100110101011010001111100000
3	Ternary	12122121210222111
4	Quaternary	10311122033200
5	Quinary	131231004414
6	Senary	12014245104
8	Octal	465321740
10	Decimal	81109984
12	Duodecimal	231b6794
16	Hexadecimal	4d5a3e0
20	Vigesimal	156iej4
36	Base36	1cagv4

Cryptographic Hash Functions

md5	c325eba2f786b7bd02cdf165a4c7a326
sha1	acc63d9ff99c30988ff39182a194ea894f0a36e7
sha256	e15056f2ddfb86306e3529459669f729cc2e399049403d24cfedbc113bb9a18c
sha512	bf42239df658de5b8dd35b8b45cbc86f58e72eaddab20a4218d16a9556ecaee328991b9902abdf3501519d2e529fc86e0f87e877ebf45e640d683776940d5f7d
ripemd-160	10154a23e87704059e75ec3444a24bba853ef45f

81109984 as geometric shapes

Circle

Radius = n

Diameter	162219968
Circumference	509629059.73437
Area	2.0668002440495E+16

Sphere

Radius = n

Volume	2.2351751296807E+24
Surface area	8.267200976198E+16
Circumference	509629059.73437

Square

Length = n

Perimeter	324439936
Area	6578829504480256
Diagonal	114706839.41666

Cube

Length = n

Surface area	39472977026881536
Volume	5.3360875584712E+23
Space diagonal	140486613.2891

Equilateral Triangle

Length = n

Perimeter	243329952
Area	2.8487167390232E+15
Altitude	70243306.644549

Triangular Pyramid

Length = n

Surface area	2.8487167390232E+15
Volume	6.2886394960003E+22
Height	38235613.138888