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

81330455 (number)

81330455 is an odd 8-digits composite number following 81330454 and preceding 81330456. In scientific notation, it is written as 8.1330455 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 64280128 positive integers (up to 81330455) that are relatively prime to 81330455.

Interesting facts

81330455 has 8 divisors, whose sum is 98772912
The reverse of 81330455 is 55403318
Previous prime number is 83

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	8.1330455 × 10^7
Engineering notation	8.1330455 × 10^6

Prime Factorization of 81330455

Prime Factorization 5 × 83 × 195977

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81330455	Product of the distinct prime numbers

The prime factorization of 81330455 is 5 × 83 × 195977. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 19, 85, 959, 106, 659, 8731, 23262, 50698, 191154, 801919, 9882877, 1585808, 39482271, 13986513, 141350685, 128549702, 1162011548, 6399251340

Basic calculations (n = 81330455)

Multiplication

n×y

n×2	162660910
n×3	243991365
n×4	325321820
n×5	406652275

Division

n÷y

n÷2	40665227.5
n÷3	27110151.666667
n÷3	20332613.75
n÷5	16266091

Exponentiation

n^y

n²	6614642910507025
n³	5.3797191757406E+23
n⁴	4.3753500833521E+31
n⁵	3.5584921306331E+39

Nth Root

^y√n

²√n	9018.339924842
³√n	433.26246605729
⁴√n	94.964940503546
⁵√n	38.198880959281

Divisors of 81330455

1, 5, 83, 415, 195977, 979885, 16266091, 81330455

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81330454	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330455 can be divided by 8 positive divisors. The sum of these divisors (counting 81330455) is 1, the average is 0.125.

Base conversion 81330455

Base	System	Value
2	Binary	100110110010000000100010111
3	Ternary	12200001000102002
4	Quaternary	10312100010113
5	Quinary	131310033310
6	Senary	12023105515
8	Octal	466200427
10	Decimal	81330455
12	Duodecimal	232a229b
16	Hexadecimal	4d90117
20	Vigesimal	158662f
36	Base36	1cf6zb

Cryptographic Hash Functions

md5	9e73f5b688c57c0fd1ebd048be4a06d4
sha1	2fcdd558e93f9edee1bc0edc23a9cd610972a7ce
sha256	9361bc6b30ca042ed6e7a486365397da9601f42fadb99ac3fe77811ba50db74d
sha512	ea9ab2ab929e9b43634041bdc3e743d12cbfc1b6a2d4d6fd5692ca5499e13efa9171953d39163af73302db0754e1728daf3945b9a03f0f61b0017ddb576ce6d6
ripemd-160	4e6412e1ab84618566e002c844bf23cd04910490

81330455 as geometric shapes

Circle

Radius = n

Diameter	162660910
Circumference	511014319.88223
Area	2.0780513573769E+16

Sphere

Radius = n

Volume	2.2534514987844E+24
Surface area	8.3122054295075E+16
Circumference	511014319.88223

Square

Length = n

Perimeter	325321820
Area	6614642910507025
Diagonal	115018632.49497

Cube

Length = n

Surface area	39687857463042150
Volume	5.3797191757406E+23
Space diagonal	140868480.26269

Equilateral Triangle

Length = n

Perimeter	243991365
Area	2.8642243987309E+15
Altitude	70434240.131347

Triangular Pyramid

Length = n

Surface area	2.8642243987309E+15
Volume	6.3400598500758E+22
Height	38339544.164992