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

81330755 (number)

81330755 is an odd 8-digits composite number following 81330754 and preceding 81330756. In scientific notation, it is written as 8.1330755 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 20 positive divisors. There are 58564000 positive integers (up to 81330755) that are relatively prime to 81330755.

Interesting facts

81330755 has 20 divisors, whose sum is 91991760
The reverse of 81330755 is 55703318
Previous prime number is 101

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	eighty-one million three hundred thirty thousand seven hundred fifty-five

Notation

Scientific notation	8.1330755 × 10^7
Engineering notation	8.1330755 × 10^6

Prime Factorization of 81330755

Prime Factorization 55 × 11 × 121 × 101 × 11

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	7393705	Product of the distinct prime numbers

The prime factorization of 81330755 is 55 × 11 × 121 × 101 × 11. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 10, 23, 28, 172, 393, 4598, 6560, 66554, 73967, 850205, 817236, 5856402, 8296146, 28456875, 20906252, 533062028, 367936210, 8543692654, 9946038839

Basic calculations (n = 81330755)

Multiplication

n×y

n×2	162661510
n×3	243992265
n×4	325323020
n×5	406653775

Division

n÷y

n÷2	40665377.5
n÷3	27110251.666667
n÷3	20332688.75
n÷5	16266151

Exponentiation

n^y

n²	6614691708870025
n³	5.3797787077464E+23
n⁴	4.3754146403394E+31
n⁵	3.5585577613686E+39

Nth Root

^y√n

²√n	9018.3565575996
³√n	433.26299877524
⁴√n	94.965028076654
⁵√n	38.198909139739

Divisors of 81330755

1, 11, 55, 101, 121, 605, 1111, 1331, 5555, 6655, 12221, 14641, 61105, 73205, 134431, 672155, 805255, 1478741, 7393705, 81330755

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81330754	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330755 can be divided by 20 positive divisors. The sum of these divisors (counting 81330755) is 1, the average is 0.05.

Base conversion 81330755

Base	System	Value
2	Binary	100110110010000001001000011
3	Ternary	12200001000211012
4	Quaternary	10312100021003
5	Quinary	131310041010
6	Senary	12023111135
8	Octal	466201103
10	Decimal	81330755
12	Duodecimal	232a24ab
16	Hexadecimal	4d90243
20	Vigesimal	15866hf
36	Base36	1cf77n

Cryptographic Hash Functions

md5	d8c10abdda4ba5c29b64898d5696fe21
sha1	fe6485ae887b199d211996db6005b169514f021e
sha256	810a30e92ad85a5ff364c898f92074ade5e9167ddf1ec157638b8c6486b3f836
sha512	569ba0d34cacffdc86c2e3a9f3cf6a91ebf50b3cbb9318e6ff3ebf6e293242de8da1ce28a62d81732203a1ac2ca82c04872701210cd5aba48e053790d64df3d6
ripemd-160	2b7804604980f1eb920f34a8d05c701a542bc2d9

81330755 as geometric shapes

Circle

Radius = n

Diameter	162661510
Circumference	511016204.83782
Area	2.0780666878347E+16

Sphere

Radius = n

Volume	2.2534764354926E+24
Surface area	8.312266751339E+16
Circumference	511016204.83782

Square

Length = n

Perimeter	325323020
Area	6614691708870025
Diagonal	115019056.75904

Cube

Length = n

Surface area	39688150253220150
Volume	5.3797787077464E+23
Space diagonal	140868999.87794

Equilateral Triangle

Length = n

Perimeter	243992265
Area	2.8642455290419E+15
Altitude	70434499.938968

Triangular Pyramid

Length = n

Surface area	2.8642455290419E+15
Volume	6.3401300092175E+22
Height	38339685.586348